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LJ 4100mfp service manual - ENWW - LPT Home Page

1. CONFIGURE Print System DEVICE Originals Sending Printing Quality up I O Paper E Mail Copies Set Registration Job Storage I O Timeout 15 Size Scan 1 32 000 Print Test Page Limit 0 100 32 Letter Preference Source Tray 2 Parallel Input BW Color Default Adjust Tray 1 Job Held Timeout High Speed YES Number Paper Size Adjust Tray 2 Off 1hr 4hr ae a of Sides File Type Letter 1 2 PDF Resolution Power Save Time Find Send TIFF Default 300 600 1 15 30 90 min Gateways Content MTIFF Custom FastRes 1200 1 2 4 hours Text JPEG Paper Size ProRes 1200 SMTP Gateway Graphics unit X Y Copy Send Mixed Find Send Gateways dimension Ret Off Light Settings LDAP Gateway SMTP Gateway Medium Dark Reset Copy Timeout LDAP Gateway l 60 Contrast Test Send Gateways Override Reset Send Timeout ElO 1 0 8 4 A4 Letter Economode 60 JetDirect Menu Yes No Off On Hold Off Print Job TCP IP ON i a pa Config Method Copying Manual Feed Toner Density Ap Gi SN On Off 1 5 3 Scan Ahead Frame Type Number of Sides pat CU 1 2 Courier Font Small Paper Aa poo rere ON Regular Dark Mode Copy Job Interrupt Link Speed AUTO Normal Slow OFF Image Quality Wide A4 Test Send Normal Best Personality No Yes Auto Cleaning Auto PCL PS Gateways Collate Off On S Off On Print PS Errors Clearable On Off Create Warnings i Cle
2. eee eee ees 118 Control panel display of the event log 0 0 0 cece eee 119 Copy processor board LEDS Lucini cis kaaga ria 124 Sample configuration Page 1 saaa eaa eaa eea eee eee es 131 Sample JelDltect Page scarico teas A ada MUNDA 132 Sample supplies status Page o oooooocooononr ees 133 sample Usage Pads dora ie 134 Sample file directory Page 6 a 135 WIHNO OladraM cados viral daria dde KA a od gd TAN Lk 142 ONG ra ces A a kna Ma a E MG KA asda eh ce a an tb na 148 TOP COVEL ASSEMDN asii AN BAGA GA ABR al AMD NA 150 CAN UNET e AAA A eaten ed ates 152 Can UNZ O82 nagawang aang na KAKA A es a 154 Glass formatter CPB and cables 0 0 0 0 0 o ooo o o 156 ADE UNO AA AA AA 158 ADPF UN 2012 cwm ka mada AA BAGUNG AD AS ww ORA 160 C9148 90909 Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 Table 12 Table 13 Table 14 Table 15 Table 16 Table 17 Table 18 Table 19 Table 20 Table 21 Table 22 Table 23 Table 24 Table 25 Table 26 Table 27 Table 28 Table 29 Table 30 Table 31 Table 32 Table 33 Table 34 Table 35 Table 36 Table 37 C9148 90909 List of tables Physical specifications AA AA 16 ROMO Mancera ene KAYA st and Bun roda Ana 16 ADF flatbed unit acoustical specifications oooooooomooommoo 17 Skew specifications Xa apa A A GANG 17 Supported paper
3. 28 Moo aaa yates Geren MAG MAA MA KON AG 29 General guidelines for using the glass 29 Using the control panel o o oooocooooocooo eee ene 30 C9148 90909 Table of contents 3 Layout and operation aa 30 PAW NG AA AA AA AP 31 Walk up copy display eee 31 SAUS Da ener cane aah eee nas AA 31 MENUS asus pus OA ps toe bee eee Ohne aa ee tabs Bee 32 Configure device diagnostic and service menus 32 Menu map naaa ama BAKA narra NG HA e BAD HA KASYA 33 4 Maintenance Cleaning the product a 36 General guidelines ee ees 36 Running the cleaning page cece ee eee OF Cleaning the ADF delivery guide clear mylar strip 37 User replaceable parts n nnana naana eens 39 Replacing user replaceable parts o o ooooooooomoo 39 Updating product firmware eee 41 Downloading a remote firmware update 41 Installing the update a 41 RFU installation messages 0 00 ee eee 41 Using HP Web JetAdmin single update 42 Using HP Web JetAdmin multiple or unattended update 42 Windows parallel connection local printer 43 Windows parallel connection network printer 43 Troubleshooting RFU installation o o ooooooo o 44 RFU installation error messages
4. 62 Intermediate PCB a 63 Power SUDDIY sana ra a wea he AD 63 Overcurrent and overvoltage protection 63 Power supply block diagram o ooooooooooo 64 Optical Uli a4 a Hanes amp Gan nens a ea a 65 INVENEl PCB rca as a baaa 66 Scanning lamp rra rra EA Ana a 66 CCD driver POB nean a ka a a kh ee ANG ee 66 ADF document feed system a 67 OvervieW a Ba BANA eee 67 ADF cover sensor PS10 aaa 68 Document detect sensor PS2 68 Leading edge sensor PS1 68 ADE MOS AA oe 68 Document pickup process 0 00 ee eee 68 Document jams a 68 Scan unit intakefan aaa 68 C9148 90909 5 Theory of operation 51 Introduction This chapter presents an overview of the relationships between major components in the MFP It also provides a general description of the following e mechanical systems for example the flatbed intake fan e electronic circuits for example the scanner controller circuit sensors for example the document detect sensor Overview Scanning a document consists of three main processes First the document is transported through the ADF or manually placed on the glass Second the document is illuminated and the light is captured the document exposure process Third the captured light is converted to a digital signal and sent to the base printer for output image pr
5. 117 Control panel display ooo 117 HS A AA PA AH PAP 117 Print the event log a 117 Interpret the event log oooooooooooooo 118 Display the event log AA 119 Control panel messages aana 120 Troubleshooting with the copy processor board 124 User level and service level diagnostics 126 ADF paper path test ee ee 126 To print a paper path test o ooooooooomomo 126 Diagnostic tests wan ibi aa eee eee teed dle eee ao a 126 To perform a diagnostic test 126 Service level diagnostics Aa 127 Service MENU o 127 To access the service menu PIN code 04410002 127 Jam troubleshooting o oooocoooonoo eee eee 128 JM ceniceros ALE hn DAANAN rencores 128 Clearing repeated ADF jams ees 129 Creating a customer print job o oooooooooooo 129 Evaluate the information pages 130 Configuration page n aa 130 Configuration page elements 130 JetDirect PAYO s srci ninini a cian 132 JetDirect page elements 0 00 eee eee 132 Supplies status page ee eee 133 Supplies page elements 0 0000 cece ee eee 133 Usage page o 134 File directory page 0 135 File directory page elements 135 Image formation troublesho
6. Figure 80 Grasp the scanner controller PCB 5 Slide the scanner controller away from the product to disconnect it Then tilt it upward and lift it out of the scan unit Figure 81 WARNING Do not bend or force the scanner controller PCB 40 pin connector Before you seat the 40 pin connector align the scanner controller PCB and verify that the connector pins are aligned Reinstall Note Anytime the glass is removed and replaced calibrate the ADF scan unit See Calibration on page 47 C9148 90909 6 Removal and replacement 105 Intake fan 1 Remove the following assemblies e copy processor board CPB See Copy processor board on page 83 e glass See Glass on page 92 e optical unit See Optical unit on page 95 2 Unplug the fan connector from the scanner controller PCB the 3 pin connector is located along the rear edge of the PCB and can be reached through the opening created when the copy processor board was removed 3 Remove three screws callout 1 Figure 82 Remove the fan mounting screws 106 Removal and replacement C9148 90909 4 Disconnect the 10 pin scanner controller PCB connector callout 2 to provide access to the fan air duct callout 3 Use care when removing the fan air duct callout 3 to prevent bending or breaking its locking tab 5 Carefully lift the fan air duct locking tab callout 3 and slide the fan shield away as indicated by the arrow from the fan and the
7. on page 68 e PS2 document detect photo sensor see ADF unit components on page 56 e PS10 flatbed cover open photo sensor see Scan unit components on page 55 e PI1201 optical unit home position photo sensor see Optical unit on page 65 to trip this sensor ld a copy job with the sensor status screen displayed on the control panel ADI i activates the ADF motor and all of the ADF feed rollers see ADF cone feed d system on page 67 SCAHHER activates the optical unit motor causing the optical unit to move back and forth i in iha flatbed see Optical unit on page 65 ENDID energizes the ADF pickup solenoid see ADF document feed system on WIGHT SOURCE illuminates the scanning lamp which verifies that the inverter PCB and lamp are e A properly see Scanning lamp on page 66 Select CONTEGL PAR EL The following control panel components can be tested LEDs illuminates the three control panel LEDs see Layout and operation on page 30 DISPLAY illuminates all of the control panel display pixels see Layout and operation on BUTTONS shows on the control panel display a layout of the control panel buttons and keys when a button or key is selected on the control panel it is illuminated on the display indicating that the button or key is functioning see Layout and operation on page 30 Press the START button to begin a test Press the sTOP button to end the test C
8. 1 2 Start the HP Web JetAdmin program Enter the Internet protocol IP address or IP hostname of the printer in the QUICK DEVICE FIND FIELD and click GO The printer Status window appears Click the right arrow on the toolbar to display the UPDATE button Click the UPDATE button When prompted for the type of update click UPDATE PRINTERS and then click CONTINUE Under UPLOAD NEW FIRMWARE IMAGE click BROWSE to locate the RFU file you downloaded from the website http www hp com go l 4100_ firmware Click UPLOAD to move the RFU file from your hard drive to the HP Web JetAdmin server Refresh the browser Select the RFU file from the SELECT NEW FIRMWARE VERSION drop down menu Click UPDATE FIRMWARE HP Web JetAdmin sends the selected RFU file to the printer Using HP Web JetAdmin multiple or unattended update Note This procedure requires Web JetAdmin version 6 1 or later Download the update from the website http www hp com go 1 4100 firmware and follow the steps below to update multiple MFP products or perform an unattended installation 1 2 O N O O a 42 Maintenance Start the HP Web JetAdmin program Create a device group One way to do this is e Click DEVICES on the 1 CHOOSE drop down menu e Click DEVICE MODEL from the 2 FILTER drop down menu e Inthe 3 CRITERIA OPTIONAL field type your MFP model number for example 4100 e Click GO In the DEVICE LIST select the printers you want to inc
9. Perform the basic troubleshooting procedures as described in Basic troubleshooting in chapter 7 After the control panel is functional go to step 2 Compare an output copy to the image effects samples Correct errors as required See Image defect tables in chapter 7 2 Does the message READY PAUSE or POWERSAVE appear on the control panel display NO Evaluate the error message appearing on the display correct the error See Control panel messages in chapter 7 Show the event log to display information about the error See Event Log in chapter 7 Use the control panel diagnostics to isolate the error See Diagnostic tests in chapter 7 Correct the malfunction YES If the message PAUSE appears on the display use the control panel menu to return to the ready mode If the message POWERSAVE appears on the display touch any control panel key to disable the PowerSave mode See the HINT in the Using the control panel section in chapter 3 Scan a document using the NO glass Is the scan successful YES Scan a document using the ADF Is the scan successful YES Are attempts to scan using the ADF unit and flatbed unit successful but the output image of poor quality Verify that the copy processor board is functioning See Copy processor board CPB in chapter 5 Hint When the CPB is properly functioni
10. on page 21 required Memory DIMM To locate the memory DIMM see Copy User replaceable As processor board on page 57 required Firmware DIMM To locate the memory DIMM see Copy User replaceable As processor board on page 57 required Power jumper cable To locate the power jumper cable see Back view on page 21 Print cartridge See the HP LaserJet 4100 series printer User replaceable As service manual required About every 10 000 pages for print cartridge part number C8061 X About every 6000 pages for print cartridge part number C8061A Table 8 Print unit maintenance kit parts Print unit transfer roller See the HP LaserJet 4100 series printer User replaceable See service manual Expected life of components in the HP LaserJet 4100 series printer service manual Print unit feed rollers See the HP LaserJet 4100 series printer User replaceable See service manual Expected life of components in the HP LaserJet 4100 series printer service manual Print unit separation pad See the HP LaserJet 4100 series printer User replaceable See service manual Expected life of components in the HP LaserJet 4100 series printer service manual Print unit fuser See the HP LaserJet 4100 series printer User replaceable See service manual Expected life of components in the HP LaserJet 4100 series printer service manual 40 Maintenance C9148 90909 Updating product fir
11. www hp com go recycle Sample supplies status page 7 Troubleshooting 133 Usage page The usage page is designed to fit into a pay per page PPP model A reseller can configure the usage page with instructions that a user can send the information back to the reseller in order to prepare bills Print a usage page from the MFP control panel or gain access to the information remotely from HP Web JetAdmin to determine how many simplex or duplex pages of each paper size have been scanned on the copy module and printed on the MFP Counting pixels approximates average toner coverage Jams are not counted The data cannot be reset manually and values such as total print and scan impressions toner coverage serial number default language and default paper size are backed up between the MFP NVRAM and hard disk O hp LaserJet 4100mfp series T Product Name HP LaserJet 4100 MFP Device Name HP LaserJet 4100 MFP Usage Totals PRINTED PRINT amp COPY SIMPLEX DUPLEX Page Size Count Units Count Units Total kk kk 0 0 LETTER 9 1 0 9 0 LEGAL 0 1 3 0 0 A4 0 1 0 0 0 EXECUTIVE 0 0 8 0 0 COM10 ENVE 0 0 4 0 0 MONARCH EN 0 0 3 0 0 C5 ENVELOP 0 0 6 0 0 DL ENVELOP 0 0 4 0 0 JISB5 0 0 7 0 0 B5 ENVELOP 0 0 7 0 0 CUSTOM 0 1 0 0 0 ANY 0 1 0 0 0 A5 0 0 5 0 0 16K 0 0 8 0 0 JEXEC 0 1 1 0 0 ISOB5 0 1 0 0 0 TOTAL PRINTER USAGE 9 0 Total Copy Pages Printed 2 SCANNED COPY 8 SEND SIMPLEX Page Size Units Total LETTER 0 1 0 0 0 LEGAL 0
12. hp LaserJet 4100mfp e 4101 mfp service addendum hp LaserJet 4100mfp series service addendum Hewlett Packard Company 11311 Chinden Boulevard Boise Idaho 83714 U S A Copyright Information O 2002 Hewlett Packard Company All Rights Reserved Reproduction adaptation or translation without prior written permission is prohibited except as allowed under the copyright laws Publication number C9148 90909 Second edition April 2002 Quick reference service PIN code 04410002 Warranty The information contained in this document is subject to change without notice Hewlett Packard makes no warranty of any kind with respect to this information HEWLETT PACKARD SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Hewlett Packard shall not be liable for any direct indirect incidental consequential or other damage alleged in connection with the furnishing or use of this information Trademark Credits Adobe Acrobat PostScript and the Acrobat logo are either registered trademarks or trademarks of Adobe Systems Incorporated in the United States and or other countries regions Microsoft MS DOS and Windows are U S registered trademarks of Microsoft Corp Netscape is a U S trademark of Netscape Communications Corporation TrueType is a U S trademark of Apple Computer Inc ENERGY STAR is a U S registered servic
13. ADF lt 1 percent 2 mm 08 inch 1 mm 04 inch 0 6 percent 1 2 percent Envelope 6 0mm 24 inch over 220mm 8 66 inches length 15mm 59 inch 4 5 mm 18 inch 15mm 59 inch 4 5 mm 18 inch None Glass lt 1 percent 1 mm 04 inch 1 mm 04 inch 0 6 percent 1 percent 1 Product Information 17 Media specifications Note This section refers to the MFP only See the HP LaserJet 4100 series printer service manual for printing specifications or see the Print Media Guide for the HP LaserJet printer family for general requirements Table 5 Supported paper sizes and weights for the ADF 216 by 279 mm 50 to 105 g m 8 5 by 11 inches 13 to 28 Ib 210 by 297 mm 8 3 by 11 7 inches Legal 216 by 356 mm 8 5 by 14 inches Custom sizes Minimum 60 to135 g m2 148 5 by 210 mm 16 to 36 lb 5 9 by 8 3 inches Maximum 215 9 by 355 6 mm 8 5 to 14 inches Special considerations for ADF documents Documents must be free of tears or perforations Documents must be square or rectangular and in good condition not fragile or worn Documents must be free of glue correction fluid or wet ink Remove sticky notes tape flags staples and paper clips Multipart forms cannot be used in the ADF Supported media for the glass The glass can accommodate the following types of media 18 Product Information letter or A4 size and smaller
14. AS Tol al 41207 F a 5 fo TTT Figure 23 Table 10 Scanner controller board connectors Connector Description Power supply connector E T corp gt P11201 LL Scanner controller with the shield on J1201 J1202 N203 Scanner controller board connectors shield off Remarks 10 pin connector To gain access to this connector remove the glass See Glass on page 92 Inverter PCB connector 5 pin connector To gain access to this connector remove the glass See Glass on page 92 Flatbed intake fan 3 pin connector To gain access to this connector remove the glass See Glass on page 92 ADF connector 15 pin connector Verify that the connector s locking thumb screws are tight This connector can be removed accessed without removing any other MFP components ADF door open sensor PS10 3 pin connector To gain access to this connector remove the glass See Glass on page 92 Optical unit drive motor 4 pin connector To gain access to this connector remove the glass See Glass on page 92 CCD connector Flat ribbon cable To gain access to this cable remove the glass See Glass on page 92 Intermediate PCB This connector connects the copy processor board to the scanner controller board It cannot be disconnected independently of removing the scanner controller board Control panel 5 pin connector
15. As ADF input tray ADF delivery guide clear mylar strip ADF pickup roller ADF separation roller ADF separation pad ADF separation assembly compression spring ADF pick feed cover ADF delivery guide holder clear mylar sheet holder ADF face up bin handle 5GB hard disk drive See ADF input tray on page 73 See the removal step in Cleaning the ADF delivery guide clear mylar strip on page 37 See ADF pickup roller on page 74 See ADF separation roller on page 76 See ADF separation pad on page 77 See ADF separation pad on page 77 and ADF unit 2 of 2 on page 160 See ADF separation pad on page 77 and ADF unit 2 of 2 on page 160 See the step in Cleaning the ADF delivery guide clear mylar strip on page 37 and ADF unit 1 of 2 on page 158 See Covers on page 148 To locate the hard drive see Back view on page 21 required User replaceable required User replaceable required User replaceable required User replaceable required User replaceable required User replaceable required User replaceable required User replaceable required User replaceable required User replaceable required 4 Maintenance 39 Table 7 User replaceable parts continued HP JetDirect network card To locate the HP JetDirect network card User replaceable As see Back view
16. Figure 25 Figure 26 Figure 27 Figure 28 Figure 29 Figure 30 Figure 31 Figure 32 Figure 33 Figure 34 Figure 35 Figure 36 Figure 37 Figure 38 Figure 39 Figure 40 Figure 41 Figure 42 Figure 43 Figure 44 Figure 45 Figure 46 Figure 47 Figure 48 Figure 49 C9148 90909 Model and serial number label aa 19 Product parts front view right side aa 20 Optical unit lock front view left side a 20 Product parts back view aa 21 Major assemblies sia kA hak haaa ad 24 Usmo NGA DIR ss scenic A BAG BSA e NG 28 SING INS GlaSS mas aaa a A a ISS 29 Control panela o dd Lada oie dad ai 30 Navigatio A DUTIONS citaba rte dad ad lia ind de 31 Top level control panel menu display oooooooooononno oo 31 MEP meny mab 102 io adi dico aia NR Es 33 MEP Menhu map 220122 al ND KAL RGR we MANG 34 Open the delivery guide cover a 37 Remove the clear plastic sheet eee 38 Replace the clear plastic sheet 0 Aa 38 Sample calibration target page 6 Aa 47 Manual calibration registration lines 0 0 eee 48 MEP DIO Cala dias sota abans ds a Wadena wrote sation Aiea ae andi 54 SCahi UNIt COMPONEMIS tae is Mende ere elses a AY a he 55 ADF UNE COMPONEN rara ts barahin hein Deore wits AES 56 Copy processor board components aa 57 Copy processor board LEDS cerre Zh cue is 59 Scanner controlle
17. Intermediate PCB aaa 63 Power supply nannan ee eee eee ees 63 Overcurrent and overvoltage protection 63 Power supply block diagram 0 00 eee eee ee ees 64 o en hee eee hou ee eee oe 65 Inverter PCB 22 eens 66 Scanning AMD soso da ves 66 CCD diver rss a oe 0 6 2m rca va pe rea 66 ADF document feed system 0 00 cc ee eee 67 Overview ee ee eee eee ees 67 ADF cover sensor PS10 ccc ees 68 Document detect sensor PS2 oooooooomooooo 68 Leading edge sensor PS1 2 2 ec ees 68 PUT MOIO 62224648 54655H45554448 bs Gees bp es oboe eee 68 Document pickup process 0 0 ee eee 68 DOCUMENT AMS 1 0 74 ama WAL dase asirio 68 Scan unit intake fan aa 68 6 Removal and replacement Removal and replacement Strategy o oooooooooono 70 Reguired 001G aah KGG LANE DAANG Pana HAS ee Gh eee ee F 70 Before performing service ee eee 70 After performing service ees 70 Common fasteners a 71 Parts removal order o 72 User replaceable parts cc ee eee 73 ADF MPU IAY 42 56 oot ranas BKA Ah HALL Eo KARONG 2 73 ADF pIcKuUpTollek amak ai ii 74 ADF separation roller o ooooooooooonoononno 76 ADF separation pad eens 77 POUND arropado aaron moscada 78 Assemblies and covers 0 cee eens 79 Control panel door cc eee eee 79 Scan u
18. Number Error Page Count 2 49 4C02 0 1 49 OOFF 0 Installed Personalities and Options Paper Trays and Options PCL 20010402 Default Paper Size LETTER PS 20010402 Tray 1 Size UNKNOWN PCLXL 20010402 Tray 2 Size LETTER DIMM Slot 1 Side 1 8 MB Flash Side 2 8 MB Flash LDAP and SMTP DIMM Slot 2 Side 1 32 MB SDRAM information was Side 2 32 MB SDRAM DIMM Slot 3 Side 1 Empty now appears on 5 AN DIMM Slot 4 Empty the configuration EIO 1 HP JetDirect J4169A page EIO 2 HP J6054A ElO 3 Empty DISK Storage 4641 MB Capacity LDAP Gateway 0 0 0 0 SMTP Gateway 0 0 0 0 Figure 89 Sample configuration page Hint If an HP JetDirect ElO card is installed an HP JetDirect configuration page will also be printed C9148 90909 7 Troubleshooting 131 JetDirect page Use the JetDirect page to view current network settings to help troubleshoot MFP problems or to verify network statistics or protocol information JetDirect page elements A HP JetDirect configuration B Network statistics C Protocol information OD l hp LaserJet 4100mfp series ai Jet Direct firmware can be updated but is not updated whena HP JetDirect Configuration mmm IPX SPX1 amamamamaaaa remote firmware Status I O Card Ready Status Ready Model Number J6057A upg rade is Hardware Address 0001E65E2513 Primary Frame Type Auto Select T Firmware Version R 22 09 installed Port Config 10BASE T HALF Network Frame Ty
19. RFU file downloaded from the website e sharename is the name of the computer from which the printer is shared host computer e printername is the printer share name 3 Press the computers ENTER key The RFU file is sent to the printer C9148 90909 4 Maintenance 43 Hint Hint 44 Maintenance Troubleshooting RFU installation RFU installation error messages The following messages can appear on the control panel display if the installation is interrupted for some reason Turn the MFP power off and then back on again Attempt the RFU installation again If the update is not successful but an error message does not appear on the control panel display check the event log for RFU error codes See Firmware update event log errors on page 119 e No update occurred Turn the MFP power off and then back on again Attempt the RFU installation again O reak In Leo Stream During 3 for example the parallel cable was removed e No caniae occurred Turn the MFP power off and then back on again Attempt the RFU installation again e No update occurred Turn the MFP power off and then back on again Attempt the RFU installation again e No update occurred Turn the MFP power off and then back on again Attempt the RFU installation again e Update was completed no action required e The printer recognizes that the RFU file is damaged corrupted and rejects the update Download a new RFU file from the website http www hp
20. TA AAA LEEN Pr peeeeessssee i EETENANA LK Figure 77 Remove the power supply CAUTION When replacing the power supply do not pinch wires when installing the shield If the replacement power supply does not come with a grounding clip callout 4 remove the clip from the failed power supply and install it on the replacement unit CAUTION When replacing the power supply verify that the heat resistant veristor cover callout 5 is securely in place Reinstall Note Anytime the glass is removed and replaced calibrate the ADF scan unit See Calibration on page 47 102 Removal and replacement C9148 90909 Inverter PCB 1 Remove the glass See Glass on page 92 CAUTION The product contains components that are sensitive to electrostatic discharge ESD Always A perform service work at an ESD protected workstation If an ESD protected workstation is not APA available discharge body static by grasping the print engine chassis before touching an ESD sensitive component Ground the print engine chassis before servicing the product ESD Hint The inverter PCB is fuse protected callout 1 Before replacing the inverter PCB verify that the fuse is not open The inverter PCB will not function if the fuse is open Remove one screw callout 2 Unplug one connector callout 3 Unfasten the clip callout 4 bb O N Lift the inverter PCB up and remove it from the scan unit ofl 4 A a HA m Pia _ a
21. These three signals pass through an analog to digital converter and the resulting digital signals are sent to the scanner controller PCB The scanner controller sends the digital signals to the copy processor board for output by the base printer which initiates output through the base printer Analog data B Digital data B Reflected light A D converter Analog data G Digital data G Scanner Analog data R Digital data R controller Control signals N4 EO CCD driver IC CCD driver circuit Figure 27 Signal conversion 66 Theory of operation C9148 90909 ADF document feed system Overview The ADF document feed system detects the presence of a source document in the document tray picks up the document and transports it through the ADF paper path and then delivers the source document to the ADF output e The ADF motor rotates counterclockwise which rotates the feed and delivery rollers The document pickup solenoid is activated causing the pickup and separation rollers to rotate If more than one source document is in the ADF input tray the separation roller and separation pad clear the multiple sheet feed and then the first document is sent into the flatbed scanning path e The leading edge sensor detects the source document in the paper path and then the scanning lamp illuminates e The source
22. To gain access to this connector remove the glass See Glass on page 92 Optical unit home position sensor P11201 62 Theory of operation This sensor is soldered to the scanner controller board To gain access to this sensor remove the glass See Glass on page 92 C9148 90909 Note C9148 90909 Intermediate PCB The intermediate PCB connects the copy processor board and the ADF to the scanner controller board Power supply The power supply converts ac power from the source inlet power cord to low voltage dc power Low voltage power is supplied to various flatbed and ADF components Low voltage power from the power supply consists of 3 3 vdc 5 vdc 12 vdc and 24 vdc voltages Table 11 Low voltage components Components scanner controller board scanner controller to engine controller connector scanner controller to copy processor board intermediate PCB CCD drive circuit document detect sensor leading edge sensor optical unit home position sensor scanner controller board scanner controller to video controller connector CCD drive circuit scanner controller board CCD drive circuit scanner controller board document pickup solenoid ADF motor optical unit motor flatbed intake fan inverter circuit Overcurrent and overvoltage protection The power supply uses overcurrent and overvoltage protection If a short circuit on the load side flatoed and ADF component side causes an excessiv
23. see Formatter cage on page 87 Reseat the connectors 2 Verify that the copy processor board is firmly seated into the connector on the intermediate PCB 3 Check for broken frayed or pinched wires 4 Verify that the copy processor board LEDs are illuminated See the table in Troubleshooting with the copy processor board on page 124 Scan unit intake fan failure 1 With product power on verify that the fan is functioning the fan is off when the MFP is in PowerSave mode See Scan unit intake fan on page 68 2 Check for loose connectors and frayed or pinched wires Reseat the fan connector at scanner controller PCB location J1203 see Scanner controller board connectors on page 62 3 Replace the fan The flatbed cover is open while the 1 Turn the power off MFP is initializing after the power 2 Close the flatbed cover is turned on 3 Turn the power on Flatbed optical unit motor failure 1 Verify that the optical unit lock is in the unlocked position See Front view on page 20 2 Verify that the flatbed optical unit moves during initialization when the power is turned on Or Use the control panel diagnostic menu to test the scanner motor See lamp test in Diagnostic tests on page 126 3 Verify that the optical unit drive belt is properly installed tensioned and that its teeth are meshed with the drive gear Verify that the ribbon cable is properly installed and does n
24. 1 2000 eee a j F we al o bale fboccococococoe co ceVo KIKILI 2 l l Figure 78 Remove the inverter PCB Reinstall Note Anytime the glass is removed and replaced calibrate the ADF scan unit See Calibration on page 47 C9148 90909 6 Removal and replacement 103 CAUTION ESD Figure 79 Scanner controller PCB 1 Remove the following assemblies e copy processor board CPB See Copy processor board on page 83 e glass See Glass on page 92 e optical unit See Optical unit on page 95 e inverter PCB See Inverter PCB on page 103 The product contains components that are sensitive to electrostatic discharge ESD Always perform service work at an ESD protected workstation If an ESD protected workstation is not available discharge body static by grasping the print engine chassis before touching an ESD sensitive component Ground the print engine chassis before servicing the product 2 Unplug six connectors callout 1 four are shown two more are located along the rear edge of the PCB and can be reached through the opening created when the copy processor board is removed 3 Remove four screws callout 2 eeceede ip MA ae 6co ory ODOEDODIDOLI 0900001000900 Ur scco00062000000 ATA Unplug the connectors 104 Removal and replacement C9148 90909 4 Reach through the copy processor board cavity and grasp the scanner controller PCB
25. 1 3 0 0 A4 0 1 0 0 0 EXECUTIVE 0 0 8 0 0 JISB5 0 0 7 0 0 A5 0 0 5 0 0 TOTAL SCANNER USAGE 0 0 Copy Job Scan Count 3 Send Job Scan Count 0 ADF Total Pages 2 Flatbed Scan Count 1 Coverage 3 586 1 Figure 92 Sample usage page 134 Troubleshooting C9148 90909 File directory page Use the file directory page to view current directory structures to help troubleshoot MFP problems or to verify storage capabilities File directory page elements A Directory information O hp LaserJet 4100mfp series pad Device Type DISK Device Location ElO slot 2 Device Capacity 4640 MB Free Space 4632 MB Serial Number 41VJY2S6317 Write Protect DISABLED Permissions Owner File Size Directory File Name O Figure 93 Sample file directory page C9148 90909 7 Troubleshooting 135 Image formation troubleshooting Hint When working with users obtain a print sample before troubleshooting the MFP Also ask the user to describe the quality expected from the MFP The print sample helps clarify the user s description of the problem When troubleshooting image defects try scanning a test page through the ADF and from the glass to help isolate the cause of the image defect to the ADF or the print unit Often an image formation problem can be linked to media that is outside the specifications Hewlett Packard has established for optimum MFP performance See Media troubleshooting on page 140 for help with pe
26. 39 18 oz e Check the print cartridge to see if it has been disassembled or refilled eo Verify that the print cartridge is seated properly in the MFP cavity eo Inspect the cartridge for toner leaking through worn seals Manual rotation of the drum can cause internal damage and toner spills can result The print cartridge is rated for 6000 to 10 000 images at five percent coverage Check the surface of the photosensitive drum in the cartridge to see if it has been damaged or scratched Touching the drum contaminates the photosensitive surface and might cause spotting and defects during printing e White areas on the page might indicate that the drum has been exposed to light for too long If white areas appear stop the MFP and wait a few minutes This should eliminate most defective images If not the print cartridge can be placed in a dark environment for several days which might restore some life to the drum EconoMode EconoMode creates draft quality printing by reducing the amount of toner on the printed page by up to 50 percent Advise the customer to turn EconoMode on or off either from the printer driver or a software application 7 Troubleshooting 137 Hint Hint Image defect tables The image defects described in this section are associated with the ADF unit and the scan unit For more information about image defects and their causes see the HP LaserJet 4100 series printer service manual The MFP output quality is s
27. ADF Flatbed count Lifetime count of all pages scanned using the flatbed ADF simplex count Copy scan count Send scan count Copy pages count Scanner settings Serial number Cold reset paper Lifetime count of one sided pages scanned using the ADF Lifetime count of one sided pages scanned for copy jobs using the ADF or the flatbed Lifetime count of one sided pages scanned for digital send jobs using the ADF or the flatbed Lifetime count of pages printed as output from copy jobs Scanner NVRAM settings can be saved and restored in case they are needed when upgrading MFP firmware Displays the MFP s serial number Default paper size when the MFP is reset the default setting is letter 7 Troubleshooting 127 Jam troubleshooting Media jams occur when media either does not reach or does not clear the document detect sensor PS1 and leading edge sensor PS2 in a specific amount of time see ADF document feed system on page 67 and ADF components on page 56 If a paper jam occurs a 13 PAPER JAM message appears on the MFP control panel Jams Jams occur most often when the following conditions exist e Media trays are not correctly loaded or the sliding media guides are not correctly positioned e The print media does not meet the specifications listed in the Print Media Guide for the HP LaserJet printer family e The media is in poor condition See General guidelines for using the AD
28. ON OFF Alternates between Power and Check Cables And Cycle Power Select OK then attempt to e Print a configuration page yes e Copy from the ADF or glass no e Send digital sending no 1 Verify that the high speed copy connect cable is fully seated at both ends see Copy processor board on page 83 and Formatter cage on page 87 2 Turn the MFP power off then back on again 3 Replace the high speed copy connect cable ON ON ON ON Flashing Alternates between Power and Check Cables And Cycle Power Select OK then attempt to e Print a configuration page yes e Copy from the ADF or glass no e Send digital sending no 1 Reseat the firmware DIMM see Copy processor board on page 57 2 Turn the MFP power off then back on again ON ON ON ON Alternates between Power Select OK then attempt to 1 Reload the MFP firmware see Dimly lit LED and Check Cables And Cycle e Print a configuration page yes Downloading a remote firmware Power e Copy from the ADF or glass no update on page 41 pi Send digital sending no 2 Replace the firmware DIMM see see Copy processor board on page 57 ON ON ON ON Alternates between Power Select OK then attempt to 1 Reseat the memory DIMM see and Check Cables And Cycle je Print a configuration page yes Copy processor board on page 57 Power e Copy from the ADF or glass no 2 Verify that the memory DIMM is a
29. Osa Aa eee Re 83 Disconnect the high speed copy connect cable 83 Remove the left side SCreW orid coace ee eee eee 84 List of figures 9 Figure 50 Figure 51 Figure 52 Figure 53 Figure 54 Figure 55 Figure 56 Figure 57 Figure 58 Figure 59 Figure 60 Figure 61 Figure 62 Figure 63 Figure 64 Figure 65 Figure 66 Figure 67 Figure 68 Figure 69 Figure 70 Figure 71 Figure 72 Figure 73 Figure 74 Figure 75 Figure 76 Figure 77 Figure 78 Figure 79 Figure 80 Figure 81 Figure 82 Figure 83 Figure 84 Figure 85 Figure 86 Figure 87 Figure 88 Figure 89 Figure 90 Figure 91 Figure 92 Figure 93 Figure 94 Figure 95 Figure 96 Figure 97 Figure 98 Figure 99 Figure 100 Figure 101 10 List of figures Gently pry the top edge of the left side cover 84 Remove the scan unit left side cover 0 0 0 0 cc ee eee 85 Remove the intake filter 0 0 ee eens 86 Remove the formatter cage cover aa aae 87 Slide the formatter cage toward the back of the product 87 Disconnect the formatter high speed copy connect cable 88 Secure the optical unit n a naa aaa re A oe Seto 89 Disconnect the CPB cable aa 89 Disconnect the scan unit cable aa 90 Remove the scan unit eee eens 90 Remove the top cover rear mounting screws 0 ees 91 Remove th
30. a 16MB DIMM Send digital sending no E dig 9 3 Replace the memory DIMM 4 Reseat the firmware code DIMM Note If the CPB failure persists after all attempts to troubleshoot the problem replace the CPB Hint The LED patterns an HP LaserJet 4100 4101mfp displays are the opposite of those on the C9148 90909 HP LaserJet 9000mfp because of how the CPBs are mounted The CPB is mounted upside down in the HP LaserJet 9000mfp 7 Troubleshooting 125 User level and service level diagnostics ADF paper path test The paper path test can be used to verify that various paper paths are working properly or to troubleshoot problems with tray configuration To print a paper path test 1 oa pb O N Press the MENU button Select GIAGHOSTICS Select FAFER PATH TEST Select the source destination and number of copies 1 10 50 100 500 to be printed Select FEIN TEST PAGE to start the paper path test Diagnostic tests The diagnostic tests verify the functionality of ADF unit and flatoed unit components These tests are useful in identifying ADF unit and flatbed unit malfunctions To perform a diagnostic test ew N 126 Troubleshooting Press the MENU button Select 2CAHNER The following flatbed components can be tested SENSORES tripping various sensor flags causes a sensor status message to appear on the control panel display e PS1 leading edge paper detect photo sensor see Leading edge sensor PS1
31. and send digital documents using a single device Multiple functions can occur simultaneously in the MFP This service manual is an addendum to the HP LaserJet 4100 series printer service manual The HP LaserJet 4100mfp can be upgraded to the HP LaserJet 4101mfp by ordering the following parts e one additional 500 sheet media input tray C8055A e duplex printing accessory for automatic two sided printing C8054A e digital sending software C7140A Note The terminology used in this manual contains minor differences from the HP LaserJet 4100 series printer service manual These differences reflect changes made since the publication of the HP LaserJet 4100 series printer service manual Product configurations The HP LaserJet 4100mfp series is available in two configurations HP LaserJet 4100mfp C9148A eo 64 MB RAM 5 GB or larger hard disk for RIP ONCE transmit and scan once job retention and font form and signature storage HP Jetdirect 10 100 Base TX print server card for network connection 100 sheet media input tray 500 sheet media input tray automatic document feeder ADF with 30 sheet capacity embedded scan to e mail HP LaserJet 4101mfp C9149A e all of the features of the HP LaserJet 4100mfp listed above e one additional 500 sheet media input tray e aduplex printing accessory for automatic two sided printing e HP digital sending service software version 3 0 or later e full send to e ma
32. assembly callout 6 up and remove it from the product Figure 75 Note When replacing the gear motor assembly align the assembly on the three locator pins callout 7 Reinstall Note Anytime the glass is removed and replaced calibrate the ADF scan unit See Calibration on page 47 100 Removal and replacement C9148 90909 Scan unit power supply 1 Remove the following assemblies e glass See Glass on page 92 e optical unit See Optical unit on page 95 e optical unit drive gear motor assembly See Optical unit drive gear motor assembly on page 99 CAUTION The product contains components that are sensitive to electrostatic discharge ESD Always es perform service work at an ESD protected workstation If an ESD protected workstation is not available discharge body static by grasping the print engine chassis before touching an ESD ESD sensitive component Ground the print engine chassis before servicing the product 2 Remove three screws and the power supply shield callout 1 Figure 76 Remove the power supply shield C9148 90909 6 Removal and replacement 101 3 Unplug two connectors callout 2 and remove them from the plastic harness retainers on the power supply chassis 4 Remove two screws callout 3 Remove one ground clip screw callout 4 Lift the power supply up and remove it from the scan unit essprrsarsoso E Pi etseectcooeses Mae Uo eager CEL LILLE DAA CITE
33. attempting manual calibration Be sure to print a configuration page before doing a setting reset so that any user defined settings can be restored see Configuration page on page 130 Press the MENU button Select 1 fSHCESTICE Select ALIBEATE SCONE Select LEAD ADJUSTMENT GLASS ao fF QQ N The message ra Edie Glass 88 Karge 8 345 appears on the control panel display Use the numeric pd to iba a vals lot die isdn edge adjustment Entering a lower value than current setting moves the image away from the leading edge of the page towards the bottom of the page Entering a higher value than the current setting moves the image toward the leading edge toward the top of the page Press the SELECT Y button to save the setting Use the glass to scan a source document use the calibration target page if you have already automatically calibrated the MFP Verify that the image is correctly positioned on the output copy 4 Maintenance 49 Hint Hint 50 Maintenance Side edge adjustment for the glass It might be helpful to reset the product settings to factory defaults before attempting manual calibration Be sure to print a configuration page before doing a setting reset so that any user defined settings can be restored see Configuration page on page 130 Press the MENU button Select GI EGHOGSTICS Select CALIERATE SCANNER Select SIDE EDGE ADJUSTMENT GLOSS oa pb O N The message i
34. call 1 800 457 1762 In Hong Kong Indonesia Malaysia or Singapore call Mentor Media at 65 740 4477 HP authorized resellers and support To locate HP authorized resellers and support call 1 800 243 9816 in the U S or 1 800 387 3867 in Canada HP service agreements Call 1 800 743 8305 in the U S or 1 800 268 1221 in Canada 2 Service approach 25 26 Service approach C9148 90909 Operation Using the ADF Unit ca ccn kcedseneiee aang MENG deeds WALA LA eee 28 General guidelines for using the ADF unit 28 Using the msgstr at a neces eee 29 General guidelines for using the glass 29 Using the control panel o oooocococococoooon 30 Layout and operation oo oooooooooo ee eee 30 PEWLENS se deat cae ed PAA APA 31 Walk up copy display 0 0 ccc eee eee 31 PLUS Dr rr rre re are ea a 31 MENUS s aae AA oe oe ae 32 Configure device diagnostic and service menus 32 MENU eran a apes a daa NAGA PA AM KAG ee 33 3 Operation 27 Using the ADF unit CAUTION Figure 6 Note 28 Operation The automatic document feeder ADF is a fast convenient way to feed multiple page originals for copying or digital sending You can load the ADF with as many as 30 sheets of paper The ADF accepts documents that meet the following specifications single sided or double sided originals documents on standard letter size A4 size and legal s
35. callout 2 4 Loosen but do not remove the tension spring bracket screw callout 3 and swivel the bracket to release the tension on the drive belt callout 4 Slip both ends of the drive belt off the drive and tension gears Release the tension spring bracket 5 Lift the round rail up to remove it from two holders callout 5 and remove the optical unit from the scan unit A E Aa mu WA ha pi NG Oe ae ADOOS Bi e O eos Bee Remove the optical unit 96 Removal and replacement C9148 90909 Reinstall Note Anytime the glass is removed and replaced calibrate the ADF scan unit See Calibration on page 47 Reinstall Note With the optical unit installed place the optical unit drive belt onto the drive and tension gears Verify that the drive belt teeth face inward and are engaged with the gear teeth Position the bracket with the locator pins in the provided holes on the bracket and tighten the screw until it holds the bracket in place but still allows the bracket to move Verify that the bracket is correctly positioned on the locator pins and fully tighten the screw Figure 71 Optical unit drive belt tension bracket Figure 72 Optical unit ribbon cable CAUTION The optical unit ribbon cable mustbe looped behind the optical head and secured with the ribbon cable clip Failure to correctly route or secure the ribbon cable might result in damage to the cable or the
36. does not include top shield Ribbon cable optic scan unit 11 Figure 97 Cable control panel J1210 7 Figure 98 Cable inverter controller 41202 8 Figure 98 Veristor cover in the power supply 11 Figure 98 RS1 2417 000CN Spring Tension tension spring for optic unit 4 Figure 97 drive belt RS6 2572 000CN Spring compression 2 Figure 101 VD7 0041 251CN Fuse inverter controller 10 Figure 98 VD7 0644 001CN Fuse power supply 12 Figure 98 C9148 90909 8 Parts and diagrams 165 166 Parts and diagrams C9148 90909 Index Symbols Help key 30 A accessories included 14 ordering 145 acclimation environment 112 ADF automatic document feeder blank pages troubleshooting 138 cable locating 21 calibrating 47 48 capacity 14 cleaning 36 37 components 56 connectors 62 diagrams 158 160 door open sensor PS10 55 98 121 error messages 123 features 15 input tray removing 73 jams 128 129 locating 20 24 media specifications 18 motor circuit 61 63 noise specifications 17 operations 52 61 67 output bin locating 21 paper path test 126 part numbers 159 161 pickup roller removing 74 removing unit 78 sensors 68 separation pad removing 77 separation roller removing 76 size specifications 16 skew specifications 17 user replaceable parts 39 using 28 agreements service 25 ASIC operations 57 59 assemblies alphabetical list 162 diagrams and part numbers 147 numerical list 164 or
37. involves a change in the format on nonvolatile random access memory NVRAM any user set settings for example configure device settings revert to default settings Before installing an updated version of the firmware print any information pages required to reset user defined settings See Evaluate the information pages on page 130 To install a firmware update on a computer using the UNIX operating system use any method that delivers the RFU file to the printer For example Scp home yourmachine F ILENAME dev parallel where home yourmachine FILENAME with substitutions for the locations that contain the location of the RFU file RFU installation messages During normal RFU installation the following three messages appear on the control panel display e This message appears from the time the printer recognizes the beginning of a RFU file being sent until the time the printer verifies the validity and integrity of the RFU file Performing Ueraradina F Hole Press e This message appears while the printer is reprogramming the DIMM with the RFU file information e This message appears from the time the printer finishes reprogramming the DIMM until the printer re initializes 4 Maintenance 41 Using HP Web JetAdmin single update Note This procedure requires Web JetAdmin version 6 1 or later Download the update from the website http www hp com go l 4100_ firmware and follow the steps below to update a single MFP product
38. is a quick reference source for troubleshooting common copy processor board CPB failures that might occur after or during CPB initialization The LED pattern column describes the status of the four LEDs located on the back of the MFP The control panel display column lists the messages that appear on the control panel display when a failure occurs The MFP functionality column describes what MFP functions are affected by the CPB failure The action column lists the appropriate CPB troubleshooting steps To troubleshoot the CPB using the LEDs check the LEDs that are illuminated and those that are not Check for messages appearing on the control panel display Press the SELECT button to select ii Match the LED pattern to the examples found in table 19 on page 125 Perform the corresponding procedure that is listed in the action column of the table For information about LED patterns that appear while the CPB is initializing see Copy processor board LEDs on page 59 Note This section does not describe copy processor board LED patterns that occur during CPB initialization when MFP power is first turned on For information about CPB initialization LED patterns and their meanings see Copy processor board on page 57 The print and scan units have separate power supplies The control panel and the CPB are powered by the power supply in the scan unit Hint The LEDs can be difficult to see through the holes provided in the CPB facep
39. language options and select the appropriate language Event log Use the event log to diagnose and troubleshoot MFP errors and intermittent Altres nue can Elmer ee or display the event log from the control panel Select F Event Lot OF Show The event log records up to 50 entries with the most recent entry at the top of the list When recording entries after 50 the oldest entry found at the bottom of the list is dropped off the list to make room for the most recent entry The printed event log is printed in four columns showing event number page count error code and description or personality The description or personality gives detail to the error messages The information is useful for troubleshooting Items that should be logged in the event log include the following e critical errors jams sensors sensing out of range deleted jobs unexpected paper size complex page buffer overflow NVRAM changes any diagnostics tests Print the event log The MFP internal event log stores the 50 most recent events and can be printed at any time To print the event log 1 Using the navigation buttons open the menu Select DIAGNOSTICS Select FEINT EVENT LOG Press the SELECT Y button oa pb O N The control panel displays miming event lez and the event log is printed C9148 90909 7 Troubleshooting 117 Figure 86 Interpret the event log Each individual entry in the log is called an error while all errors
40. ordering 144 removing and replacing 24 70 user replaceable 39 Reset key 30 resolution specifications 15 16 C9148 90909 RFUs remote firmware updates configuration page 130 HP Web JetAdmin procedures 42 installation 41 troubleshooting 44 119 Windows parallel connection procedures 43 right side cover removing 82 rollers diagrams 56 160 operations 67 68 part numbers 161 pickup removing 74 separation removing 76 user replaceable 39 S scan unit diagrams 152 154 left side cover removing 84 locating 24 part numbers 153 155 power supply removing 101 removing 89 right side cover removing 82 specifications 16 scanner controller board components 54 connectors 62 copy processor board CPB signals 57 58 locating 55 operations 52 61 optical unit activation 65 removing 104 voltage 63 scanning calibration 47 control panel keys 30 operations overview 52 resolution 15 16 skew specifications 17 speed 15 16 status bar 31 troubleshooting 123 using ADF 28 using glass 29 scanning lamp locating 55 operations 52 65 66 removing 93 testing 126 troubleshooting 123 screwdrivers 70 screws part numbers 146 self tapping installing 70 types of 71 sensors ADF 67 68 testing 126 separation pad ADF diagrams 160 operations 67 68 part number 161 163 164 removing 77 separation roller ADF diagrams 160 operations 67 68 part number 161 163 165 removing 76 C9148 90909 serial number 19 127 se
41. overcurrent overvoltage detection circuitis e Turn off the MFP and then turn it back on If the activated problem persists find the cause of the overcurrent overvoltage on the load side of the power supply circuits See Power supply on page 63 Note Leave the MFP off for two minutes Defective wiring dc loads or scanner controller PCB 116 Troubleshooting Turn off the power switch Check the wiring ahead of the scanner controller PCB and check the dc loads If you discover the problem replace the wiring and dc loads If no problem exists on the wiring or dc loads replace the scanner controller PCB See Power supply on page 63 C9148 90909 Troubleshooting with the control panel The tables in this section explain common messages that might appear on the control panel display Within each table the messages and their meanings are listed in alphabetical order with numbered messages listed at the end of the tables Control panel display The control panel should display KERES PAUSED or POHERSAUE OM For information about error messages that appear see the event el I ihe control epa IS abla or garbled see Power on defects on page 116 Hint If the control panel messages are in a language other than the one the user wants use the menu map see Menu map on page 33 and the navigation buttons see Navigation on page 31 to enter the configure device system setup submenu Scroll down to the
42. paper path Isolate the media problem See Media troubleshooting on page 140 and Jam troubleshooting on page 128 Poor print quality See Image formation troubleshooting on page 136 C9148 90909 Table 15 Basic troubleshooting continued Verification steps Possible problems Solutions Is the copy function Poor copy quality See Image formation troubleshooting on page 136 operational Place the configuration page into the ADF input and copy it The page should feed smoothly through the flatbed path and copies should print without print quality problems Copy first from the glass and then from the ADF to determine if the problem is with the print unit or the scan unit Print quality is acceptable Calibrate the flatbed See Calibration on page 47 but the image is not properly registered on the page Media does not move Isolate the media problem See Media troubleshooting smoothly through the ADF on page 140 and ADF paper path test on page 126 paper path C9148 90909 7 Troubleshooting 115 Power on defects Table 16 Power malfunctions ltem Solution ADF unit or scan unit does not function Print a print engine test see the HP LaserJet 4100 series printer service manual for more information This helps to isolate the power malfunction to the print unit or the scan unit Verify that the power connector from the print unit to the scan unit is
43. some possible causes of misfeeding or multifeed jams e The media might be too heavy or too light e The paper might be too smooth e The customer might be attempting to print embossed paper preprinted forms or perforated paper that does not meet HP specifications e The paper might be loaded incorrectly Turn over the sheets in the paper tray to determine if in ream curl is causing misfeeding e The customer might be fanning media before loading it into the tray e The customer might be adding media in small amounts Do not add small amounts of media to a stack that is already loaded and do not mix types of media in the tray e The MFP or media storage environment might be too humid or too dry Hint For more information about media troubleshooting see the HP LaserJet 4100mfp use guide 140 Troubleshooting C9148 90909 C9148 90909 Isolate a media brand If the MFP jams with only one brand of media e Try switching media brands eo Ifthe paper ream in use appears to be old open a fresh ream of the same paper and load it properly into the MFP If the problem disappears investigate storage and handling conditions Isolate a media type When jams and other problems occur frequently it is often because the customer is using a special paper Customers must only use print media that conforms to all Hewlett Packard specifications and should always test media before purchasing large quantities Media should be tested before sto
44. that occur at the same page count are called an event Events usually conclude with a time out or no response from the device error 86 in the event log Use the event log tables in this section to associate errors in the event log with the control panel error message 1 Check the event log for specific error trends in the last 10 000 printed pages 2 Ask the customer for any observed error trends For example do jams tend to occur in a specific area of the MFP Record any specific error trends See Control panel messages on page 120 and follow the recommended action O HP LaserJet 4100mfp series ir Current Page Count 38 Serial Number XXXXXXXXXX Number Event Page Count Description or Personality 15 49 4C02 38 14 68 3DOA 32 13 68 8101 32 68 PERMANENT STORAGE ERROR 12 68 3D09 32 11 68 8001 32 68 PERMANENT STORAGE ERROR 10 68 3D0A 23 9 68 8101 23 68 PERMANENT STORAGE ERROR 8 68 3D02 23 7 68 1101 23 6 68 8001 23 68 PERMANENT STORAGE ERROR 5 68 3D02 19 4 68 1101 19 3 68 8001 19 68 PERMANENT STORAGE ERROR 2 68 3D0A 5 1 68 8101 5 68 PERMANENT STORAGE ERROR Sample MFP event log page 118 Troubleshooting C9148 90909 Display the event log The displayed event log allows the customer to scroll through the contents of the event log from the control panel Select this to display the 50 most recent events with the most recent first Use the navigation buttons to al Pd bona mee oem log contents If the e
45. the print unit does not prevent AC power from going to the scan unit Place the product on an ESD mat if available If an ESD protected workstation is not available discharge body static and ground the print engine chassis before servicing the product Remove the print cartridge See Checking the print cartridge on page 137 After performing service Replace the print cartridge Reconnect all cables to the product Replace all accessories and reload the media Verify that the latest firmware is installed on the product See Configuration page on page 130 Restore customer configuration settings 70 Removal and replacement C9148 90909 Common fasteners Table 12 Common fasteners found in the MFP Illustration and description E JAA Black self tapping Phillips head screw Law Silver self tapping Phillips head screw Q v Machine screw with serrated washer 7 Short Phillips head screw with small shoulder Long Phillips head screw with large shoulder 5 Phillips head machine screw with loose washer Hint To order replacement screws see table 27 on page 146 C9148 90909 6 Removal and replacement 71 Parts removal order Use the following diagram to determine the order in which parts must be removed scan unit and ADF units only Table 13 Parts removal tree ADF input tray ADF pickup roller ADF separation roller ADF separation pad Control panel door AD
46. 00CN RA2 2947 000CN RB2 8793 000CN 162 Parts and diagrams ADF door open sensor assembly PS10 1 Figure 98 ADF input tray 1 Figure 100 ADF unit entire assembly Does not include the ADF input tray RG5 6579 000CN Cover key English 4 Figure 95 Cover key French Cover key Italian Cover key German Cover key Spanish Cover key Dutch Cover key Danish Cover key Finish Fan cage 12 Figure 97 Fuse power supply 12 Figure 98 Formatter assembly 4100mfp and 4101mfp 2 Figure 99 without hard disk DIMMS or JetDirect card High speed copy connect cable 4 Figure 99 Mylar sheet clear 3 Figure 100 C9148 90909 C9148 90909 Table 36 Alphabetical parts list continued RF5 3804 000CN Mylar sheet holder RG1 4124 000CN Optical unit comes with the scanning lamp and ribbon cable RG5 6644 000CN Panel cable RA2 2943 000CN Plate Guide lower RA2 2949 000CN Plate Guide upper C9148 60102 Power cable jumper scan unit to print unit jumper RH1 4175 000CN Power supply with veristor cover does not include top shield RG1 4131 000CN Pulley carriage assembly optic unit drive belt tension bracket RH2 5476 000CN Ribbon cable optic scan unit RB2 8749 000CN RB2 8769 0000CN Roller pickup RG5 6583 000CN Roller separation RG1 4123 000CN Scanner controller PCB RG1 4122 000CN Scan unit motor assembly optic unit drive gear motor RS1 2417 000CN Spring Tension tension spring for optic u
47. 2 140 paper path test ADF 126 parts alphabetical list 162 assembly diagrams 147 numerical list 164 ordering 144 removing and replacing 24 70 user replaceable 39 paused mode 30 pay per page 134 PCI bridge operations 57 60 Perform Printer Maintenance message 39 127 phone numbers 25 144 170 Index pickup roller ADF diagrams 160 Operations 67 68 part number 161 163 164 removing 74 PIN service menu 127 pliers 70 power supply block diagram 64 connectors 21 62 disconnecting 70 locating 55 operations 63 removing 101 troubleshooting 114 116 PowerSave mode 30 61 ppm pages per minute 15 16 print cartridge part number 145 removing 79 replacing 40 troubleshooting 137 print quality specifications 15 16 troubleshooting 136 138 print unit locating 24 top cover removing 91 user replaceable parts 40 printer drivers 25 production code 19 PS10 sensor ADF door open connector 62 locating 55 operations 68 removing 98 troubleshooting 121 Q quality specifications 15 16 troubleshooting 136 138 R RAM copy processor board operations 57 part numbers 145 Ready light 30 ready mode 30 114 reducing copy size 15 30 remote firmware updates RFUs configuration page 130 HP Web JetAdmin procedures 42 installation 41 troubleshooting 44 119 Windows parallel connection procedures 43 removing parts 70 repair See service replacement parts alphabetical list 162 assembly diagrams 147 numerical list 164
48. 44 Performing hard drive disk initialization 45 CO RES ee rr ae E 45 NVRAM initialization o o oooooooooooo ee eee 46 COMDVAUOW gt Hecate eee hence s owen ERS SS 47 Performing automatic Calibration o ooooooo 47 Performing manual calibration o ooooooooomooo 48 Lead adjustment for the ADF 2 0 0 0 0c eee ee 48 Center adjustment for the ADF 0 000 e eee eee 49 Leading edge adjustment for the glass 49 Side edge adjustment for the glass 50 5 Theory of operation INTOQUCION AA AA 52 OVENI a aa e AA AA 52 Document transportation proceSS n oaaao aaaea 52 Document exposure systeM n nananana eee 52 Light conversion process 0c eee ee eee eee 53 General descriptions 1 0 0 eee 54 Scan unit components a 55 AD E COMPONENIS e an lu a a ke ad a ay ew Ow a dio oP ara 96 Copy processor board eee 57 CPB terminology 0 00 cee a aA 57 Typical scanning process f OW o ooooooooooo 58 Copy processor board LEDS oooooooooooo 59 Scanner controller board nooo 61 ADF motor circuit ooo ooo 61 Optical unit motor circuit ee ee 61 Scan unit intake fan motor circuit o oooooooooooo 61 4 Table of contents C9148 90909 Scanner controller board connectors 62
49. 44 AD7 HSYN HHH HSYNC 4 4 I Ha o GND c BA GND H45 2 2 AD8 GND HH GND rte S AD9 GND H DATAO 47 i a 0 GND DATAO 145 DATA1 Lig 3 S 9 AD10 DATA 67 GND ms l HE 81 AD11 GND 47 DATA2 20 l i GND DATA2 18 DATA3 54 i 64 ADCCK DATAS j9 GND bee i 5 GND GND 26 DATA4 r23 i 4 MO DATA4 247 DATA5 2 l m WRT DATAS 22 GND 25 i O 5V GND 23 DATA6 r26 o HSYNC DATAS H24 DATA7 27 i 1 o H SD DATA7 257 GND 28 i i 2 9 3 3V GND 26 DATAS 129 3 8 SCLK DATAS 277 DATA9 30 I SCLK_GA DATAS 28 GND 34 i i A 12V GND 297 DATA10 Ha i i 2 O R_DATA DATA10 30 DATA11 r33 O R SHIFT DATA11 31 GND 34 I S W DATA GND 32 SCLK E35 i a W_SHIFT SCLK 33 STS 1367 1 GND ISTS 3t GND TH I 1O GND 38 CMD 38 i IRTS HH GND 46 I co e Sal Lat ICTS RH VSYNC I O VSYNC 40 GND 43 l a GND 4 GND i i GND GND 45 J1205 5 GND H GND dee SL1 SL1 GND 44 GND 47 l pa ADF_B ADF_B O GND Lag 5 Oo JADF A ADF_A r45 2 5 pa ADFZA ADF A ih i g c ES SG D SGND T INT S es 5 Ec ADF_B ADF_B 2 o c 3 O ADF A ADF_A man Me E 9 85 E PAPER_LED o mee ss 0 PAPER_SNS_LED E D o O A o TOP SNS LED nse o 2 ET ADF B ADF B c 59 A o 3 ADF B ADF B G Ta m ADFZA ADF_A O E l z PAPER SNS PAPER SNS N rag l TOP SNS TOP_SNS Be 5 1 62 2 63 l bes i i pe i pa L68 l O ree 77 70 I cc go 31206 ms as o 73 I 3 u 5d HH open sns C8 2 5 a lt 2 1 OPEN LED 178 i a o J 5 w O e H Hs 22 9 179 a
50. 48 90909 8 Parts and diagrams 149 Q Figure 96 Top cover assembly 150 Parts and diagrams C9148 90909 Table 30 Top cover assembly Re287480000N Bodies C9148 90909 8 Parts and diagrams 151 Scan unit 1 of 2 Figure 97 C9148 90909 152 Parts and diagrams Table 31 Scan unit 1 of 2 RG1 4124 000CN Optical unit comes with the scanning lamp and ribbon 2 Figure 97 cable RA2 2964 000CN Belt timing 3 Figure 97 RS1 2417 000CN Spring Tension tension spring for optic unit drive belt 4 Figure 97 RG1 4131 000CN Pulley carriage assembly optic unit drive belt tension 5 Figure 97 bracket Ribbon cable optic scan unit C9148 90909 8 Parts and diagrams 153 CN2 Scan unit 2 of 2 Figure 98 C9148 90909 154 Parts and diagrams Table 32 Scan unit 2 of 2 RG1 4120 000CN ADF door open sensor assembly PS10 1 Figure 98 RG1 4122 000CN Scan unit motor assembly optic unit drive gear motor 2 Figure 98 Power supply with veristor cover does not include top shield Cable guide for the scanning lamp cable Cable control panel 31210 Cable inverter controller 31202 Veristor cover in the power supply Plate guide upper optic unit ribbon cable clip Plate guide lower optic unit ribbon cable clip C9148 90909 8 Parts and diagrams 155 Figure 99 Glass formatter CPB and cables 156 Parts and diagra
51. 6 1 inches Depth 344 mm 13 8 inches Width 415 mm 16 6 inches Weight approximately 3 kg 6 4 pounds Table 2 Performance Category Specification Scanning speed ADF mode 139 mm second 5 6 inches second Scamning speed flatbed mode 69 mm second 2 8 inches second Copy speed 25 ppm letter 24 ppm A4 Copy resolution 600 by 600 ppi optical Digital send resolution 600 by 600 ppi optical 16 Product Information C9148 90909 Note Note C9148 90909 Table 3 ADF flatbed unit acoustical specifications Category Sound Power Level Lwag e 1 bel 10 decibels Specification Scanning 6 7 dB A e Standby 5 2 dB A Testing per International Standard Organization ISO 9296 Operating means that the product is copying and printing continuously at 25 ppm Values are subject to change See http www hp com 1j4100mfp for current information Tolerance Skew First line leading edge Left margin Text stretching Tolerance Skew Leading edge Left margin Parallel vertical and horizontal Image length and width Table 4 Skew specifications Print unit Cut paper 1 5 mm 03 inch over 260 mm 10 24 inches length simplex 1 50 mm 03 inch over 260 mm 10 24 inches length duplex 6 0 mm 24 inch 2mm 08 inch 5 0 mm 20 inch 1 5 mm 06 inch 1 percent for cut sheet simplex 1 percent for cut sheet duplex Scan unit
52. 8 JetDirect page 132 lines 138 139 media 140 multifeeds 140 optical unit 122 power 114 116 print cartridge 137 scanning lamp 123 skew 128 139 software 144 supplies status page 133 wiring diagrams 142 U UNIX firmware upgrades 41 unplugging power supply 70 updating firmware configuration page 130 downloading 41 HP Web JetAdmin procedures 42 troubleshooting 44 119 Windows parallel connection procedures 43 usage page 134 user replaceable parts ADF 78 input tray ADF 73 maintenance intervals 39 pickup roller 74 separation pad 77 separation roller 76 V vertical lines troubleshooting 139 voltage power supply 63 W walk up copying 31 warning messages 120 Web JetAdmin firmware updates 42 websites HP 25 144 weight print cartridge 137 product specifications 16 Windows firmware updates 43 wiring diagrams 142 troubleshooting 116 172 Index C9148 90909 in vent http www hp com support 1j4 100mfp http www hp com support l 4101 mfp C9148 90909
53. 9148 90909 Service level diagnostics C9148 90909 Service menu The service menu MFP commands should be used only by authorized service personnel You can gain access to the service menu only by using the service PIN code 04410002 While in the service menu you can do the following e Clear the event log eo Verify and set the page count and serial number These are shown on the configuration page e Change the maintenance intervals e Set the cold reset paper size To access the service menu PIN code 04410002 1 Press the MENU button 2 Select 2ER McE Enter PIN code 04410002 Press the SELECT Y button 3 Use the navigation buttons to scroll to the desired service menu item See table 20 on page 127 4 Press the SELECT Y button to save a new setting or to perform a service menu action and exit the service menu Table 20 Service menu Item Description Clear event log Removes all recorded events from the log CAUTION Clearing the event log is a permanent action and cannot be undone Total page count Lifetime count of all pages scanned copied and printed Maintenance count Number of pages copied and printed since the last maintenance interval Maintenance interval Number of pages copied and printed that will cause the Perform Printer Maintenance message to appear on the control panel display the default setting is 200 000 pages ADF count Lifetime count of all pages scanned using the
54. After the scanner controller board completes the scanning process the scanned data is sent to the copy processor board The copy processor board processes the image and sends the image data to the formatter CPB terminology e ASIC application specific integrated circuit is the system controller that provides the peripheral component interconnect PCI DIMM and processor interface The ASIC performs monochrome data compression eo Firmware code DIMM dual inline memory module contains the firmware that controls the system e Digital signal processor DSP runs the image processing algorithms o FPGA field programmable gate array provides an interface to the scanner SRAM DSP and PCI bridge and provides front end image processing e IEEE 1394 phy physical layer provides an interface from the CPB to the formatter high speed copy connect cable eo IEEE 1394 protocol chip connects the PCI bus to the IEEE 1394 phy eo MIPS millions of instructions per second processor is the system processor that runs the firmware e PCI peripheral component interconnect bridge connects the PCI bus to the FPGA eo RAM random access memory DIMM provides main system memory and temporary storage for image data and firmware variables e RAM for DSP provides temporary storage for image processing in the DSP e SRAM static RAM is the memory used for aligning the image data from the scanner MIPS SRAM IEEE 1394 protocol chip F
55. E IN JAPAN Figure 58 Disconnect the scan unit cable 6 Face the front of the product and remove two screws callout 3 7 Slide the scan unit toward the back of the product and remove it Figure 59 Remove the scan unit 90 Removal and replacement C9148 90909 Printing unit top cover 1 Remove the scan unit See Scan unit on page 89 2 Open the rear output door 3 Remove two screws callout 1 from the back of the product Figure 60 Remove the top cover rear mounting screws 4 Face the front of the product and open the control panel door 5 Remove four screws callout 2 6 Lift the top cover off of the product Figure 61 Remove the printing unit top cover C9148 90909 6 Removal and replacement 91 Glass Note It is not necessary to remove the scan unit from the print unit as shown to remove the glass 1 Remove the ADF assembly See ADF unit on page 78 2 Remove three screws callout 1 Figure 62 Remove the glass mounting screws CAUTION Use caution the thin plastic tab holders callout 2 can bend or break Avoid touching the glass Fingerprints and skin oils can cause poor print quality 3 Move the glass toward the front of the product until the three plastic tabs callout 2 release Lift the glass straight up and remove it from the product 4 After replacing the glass calibrate the ADF scan unit See Performing automatic Calibration on page 47 Figure 63 Remove
56. F ON e The rightmost LED illuminates and stays on when the connection to the SSA the portion of the firmware tat runs in the print engines RAM is established OFF OFF ON ON The LED second from the right illuminates when communication occurs between the CPB and the scan engine ON OFF ON ON The leftmost LED illuminates to indicate the CPB has booted properly When Flashing after a one to this LED begins to flash referred to as the CPB heartbeat the CPB is two second solid functioning normally and the MFP is ready to process jobs illumination state Hint The CPB remains in this state even when the MFP is in PowerSave mode 60 Theory of operation C9148 90909 Scanner controller board The scanner controller board controls the operation of flatbed and ADF components used in the following scanning processes document transportation document exposure and imaging When the copy processor board sends the scan commands to the scanner controller board the scanner controller board sends signals to the motors solenoids scanning lamp and CCD driver PCB The scanner controller board controls the operation of the following components e ADF document transportation e ADF sensors door open document detect and leading edge sensors e ADF solenoid e ADF drive motor e document exposure e optical unit home position sensor e scanning lamp e scanning motor e imaging process e CCD driver PCB converts reflected light to
57. F unit on page 28 e The MFP needs cleaning See Cleaning the product on page 36 Table 21 General ADF jam troubleshooting Verify that the document detect sensor flag and the leading edge sensor flag can freely move see ADF document feed system on page 67 and ADF components on page 56 Verify that the ADF separation pad and roller are clean in good condition and properly installed see Cleaning the product on page 36 ADF separation roller on page 76 and ADF separation pad on page 77 Verify that the ADF paper delivery guide clear mylar strip is clean and its clear plastic sheet is properly installed see Cleaning the ADF delivery guide clear mylar strip on page 37 Multiple feed Dirty worn deformed separation je If the separation pad or roller is dirty clean it pad or roller e Ifthe separation pad or roller is worn or deformed replace it Dirty worn deformed feed roller e Ifthe feed roller is dirty clean it e If the feed roller is worn or deformed replace it Wrinkles folded leading edge Dirty worn deformed separation je If the separation pad or roller is dirty clean it pad or roller e Ifthe separation pad or roller is worn or deformed replace it Dirty worn deformed feed roller e Ifthe feed roller is dirty clean it e If the feed roller is worn or deformed replace it Dirty worn deformed delivery e If the delivery roller is dirty clean it roller e Ifthe deliv
58. F unit Glass Door interlock PS10 Inverter PCB To lamp scan unit right side cover a unit Copy processor board Optical unit drive gear motor scan unit left side cover Intake fan Ao power supply Intake fan filter Copy processor board Formatter cage Scanner controller _ scan unit Printing unit top cover Note The copy processor board is intentionally listed twice 72 Removal and replacement C9148 90909 ADF input tray 1 Open the ADF cover Gently pry the input tray hinge pin located towards the front of the MFP callout 1 out of its pivot hole The hinge pin can easily be snapped off of the input tray if too much pressure is applied Release the ADF input tray hinge 2 When the hinge pin clears the pivot hole rotate the input tray away from the MFP as indicated by the arrow and slide the other hinge pin out of its pivot hole Remove the tray Remove the ADF input tray C9148 90909 6 Removal and replacement 73 ADF pickup roller 1 Open the ADF cover callout 1 2 Pull the plastic tab callout 2 to release the lower edge of the roller shield Figure 31 Release the roller shield 3 Release the roller shield from the two small pins callout 3 and remove it from the product ha 4 Figure 32 Remove the roller shield 74 Removal and replacement C9148 90909 4 Slide the roller toward the gear end Gently pry the roller shaft locking tab callout 4 away from the roller Remove the ADF pickup ro
59. HP 4100 LaserJet series printer Do not install these DIMMs in the HP 4100mfp or the 4101mfp These MFP models contain a hard drive and will ignore the optional Flash DIMMs Table 25 Accessories and supplies Description Product no SDRAM DIMM C4140 67901 C7842 67901 16 MB CPB factory default C7843 67901 32 MB C7845 67901 64 MB formatter factory default Q1887 67901 128 MB C9121 67901 615N 10 100 Enhanced Input Output card J6057 69001 WARNING The copy processor board CPB will only support the 16 MB SDRAM DIMM Only use the 16 MB SDRAM DIMM part number C4142 67901 on the CPB Envelope feeder C8053 69002 C8053B 500 sheet media input tray C8055 67901 C8055A Duplex printing accessory C8054 69001 C8054A Digital sending software not applicable C7140A Hard disk 5 gigabytes GIG or larger J6054 61003 J6054A without firmware HP LaserJet 4100mfp service training kit C9148 67903 Consumables Table 26 Consumables Description Product no HP multipurpose paper HPM1120 HP LaserJet paper HPJ1124 Toner cartridge 6000 page C8061A Toner cartridge 10000 page C8061X 8 Parts and diagrams 145 Common hardware The product has six common fasteners See table 27 for a description of these screw types Table 27 Screws used in the ADF unit and scan unit Description Part no Screw M4x8 self tapping truss head XB4 7400 809CN Screw M4x10 self tapping pan head XB4 7401 009CN Screw M4x12 se
60. MFP components should never be exposed to ammonia fumes use ammonia based cleaners sparingly and only where indicated 36 Maintenance C9148 90909 Running the cleaning page Run the cleaning page to keep the fuser free of toner and paper particles Accumulation of toner and particles can cause specks to appear on the front side or back side of your jobs It is recommended that you either use the cleaning page every time you replace the print cartridge or that you establish an automatic cleaning schedule You can run a cleaning page in two ways e automatically at an interval that you establish e manually as needed from the control panel For information about these procedures see the HP LaserJet 4100 series printer service manual 1 Access the Gort igure Devices menu See Menus on page 32 2 Select Print Guelitu 3 Select reste Cleanina Page and follow the instruction on the page Cleaning the ADF delivery guide clear mylar strip 1 Raise the ADF unit 2 Open the delivery guide cover by pressing in the small plastic handles on either side of the delivery guide LA Figure 13 Open the delivery guide cover 3 Remove the clear plastic sheet callout 1 C9148 90909 4 Maintenance 37 Figure 14 Remove the clear plastic sheet 4 Use a clean soft dry cloth to wipe the surface of the clear plastic sheet do not use an ammonia based cleaner 5 Reinstall the clear plastic sheet by sliding its leading edge un
61. NVRAM initialization NVRAM initialization should be performed immediately after replacing the formatter board Not initializing NVRAM might result in print quality defects Initializing NVRAM erases several memory settings for example page count printer serial number and the event log This information is permanently lost Before performing NVRAM initialization print the following MFP information page Use this page to reset any menu settings that the user has changed from factory defaults e Configuration page see Evaluate the information pages on page 130 1 Turn the product power off 2 Press and hold down the DOWN navigation button Continue to hold the DOWN button down until the printer initializes and the three control panel LEDs illuminate continuously Release the DOWN button Press and release the UP navigation button Press and hold down the START button Press and release the UP navigation button Release the START button The message 3k 1F DISE LOAD appears on the control panel display 6 Press the DOWN navigation button until the message Huk IHIT appears on the control panel display Press the SELECT Y button The NVRAM initialization process will begin When completed the printer will initialize and the message 823 will appear on the control panel display The MFP is ready to process jobs C9148 90909 Calibration Performing automatic Calibration The MFP can be automatically calibrated to regi
62. PB and cables 156 A naa bce haaa a ADA GAN ote sn NAG oo sac 158 AA AA 160 Alphabetical parts list ees 162 Numerical parts liSt oo ooooooooooommoo mono o 164 C9148 90909 8 Parts and diagrams 143 Ordering parts supplies and getting support Parts Order replacement parts from the following website http www hp com ssg parts direct_order html Related documentation and software Order documentation and software from the sites listed in table 24 Some documentation and software are available at the listed websites Support Table 24 Technical support websites HP Connect Online http www connect online hp com for HP partners HP Connect Online is an Internet site that is created exclusively for our partners You can easily find all the HP information that you need for your daily business And you can get it earlier than from any other site HP Customer Care Online http www hp com Software drivers support Select your country or region in the select a country or documentation and answers to region field located at the top right corner of the page frequently asked questions Select the support block HP Technical Training USA http www partner americas hp com Classes and schedules Canada http www canada hp com Asia http partnercare asiapac hp com Latin America http www conecta latinamerica hp com Parts http partsurfer hp com Parts info
63. PGA DSP RAM processor DSP ESTE rae rere 16 MB DIMM at pi Cerra deer Ped eee ERE P 4 ato 1 oie A h Firmware See we pa ii E A Gatien la CA HUE DIMM DUA E a PCI code for IEEE 1394 phy palag FPGA Copy processor board components 5 Theory of operation 57 The CPB controls the following scanning process control signals ADF unit and scan unit operation e directs the scanner controller board about when to scan e directs the scanner controller board about how to scan e directs the scanner controller board about when to activate motors e directs the scanner about when to turn the scanning lamp on and off Image processing e color alignment e resolution conversion e image sharpening e moire removal e image scaling e shifting of data strips reconstructing separately processed image data before CPB communication to the formatter e RGB conversion for CPB communication e CPB communication over the high speed copy connect cable to the formatter in one of the following formats Hardware Ready Bits HRB fastpath communication with the hard disk on the formatter PCL XL N up rotation book mode communication with the hard disk on the formatter JPEG compression when sending data digitally communication with the hard disk on the formatter e data compression before sending to the formatter over the high speed copy connect cable Typical scanning process flow 1 2 O O N O O A 58 Theory of operat
64. SO 5 E gi E 8 5 8 H82 a 8 83 7 z m H203 64 Les sa PH FAN 85 I 85 2 5 ma pal ae I 0 FLOCK gre i o 3 PGND 8 O aes LO a E lt oo res lt JU I 9 94 Pud c o 924 1 92 o l Sk 3 O a 2 94 H M o 0 l D ac 95 95 O coo Yoo 31207 A 7 Gi N 97 c5 4 FB_B os r N 984 Les O Ss FB RB 22 O 921199 O A FB_A eo 00 TAERA 5 2 m e Het Qe S o O 02 t62 Bo Q 04 Los a o 04 o 0 105 Hos o 06 tos O z 11201 O o7 107 l 5 L 0 REMOTE po 09 l gt 9 13 3v 9 109 ra al 6 46 I 2 233V E Lie 2 SGND I 3 Ha 3 mao o CO H GND 5V D 12v Uta i 2 H GND 12V H457 i o 24V 6 a 1 PGND HA l N E l pno 120 l m l l l l Figure 94 Wiring diagram 148 90909 142 Troubleshooting C9 3 Parts and diagrams Ordering parts supplies and getting support 144 Col ensenada iaa rre arar rana 144 Related documentation and SoftWare o o o o ooooo o 144 LUPON amba de Gece god Sees a aora ear 144 ACCESSOMES tac ace id be ee ee dat den een ae dea da 145 Consumables 0 000 ccc ee eee eens 145 Common hardware aa 146 HP Laserjet 4100 differencesS ooooooooooooooo 146 How to use the parts lists and diagrams 147 Parts lists and diagrams cc eee ees 148 Ho IP II 148 Top cover assembly o 150 Sea Ul E NU II 152 Scan unit 2 Of 2 ee ene 154 Glass formatter C
65. a Gb MAAGA nooks nies be RGR Mae Re Ae 73 ADF PICKUP TONG 02100040000 6 4 ware acu hee and WA me ee xe ao Ae aa 74 ADF separation roller 0 0 0 0 cc ee 76 ADF separation pad ccc eee 77 ADPU 6 acia o ee epa Soa a aed Sb ee obi Ae ae ee ha 78 Assemblies and CoverS 1 0 ccc ee eee ees 79 Control panel door 1 0 0 cc ee ees 79 Scan unit right side COVer 1 ees 82 Copy processor board 0a 83 Scan unit left side cover Aa 84 Intake fan filter aaa 86 Formatter CAGE a voc ee o a a Soka ee a 87 A Gadi rae TENG DAGAN ANGAT NAGA ee ee 89 Printing unit top Cover 0 eee 91 CG ae oes oe DA AMG Oo oe Oa LING D ate es BG od Ge ae pda ps 92 Scanning AMP AA 93 aie DI APAPAP PP EE 95 ADF door open sensor PS10 aa 98 Optical unit drive gear motor assembly 99 Scan unit power supply ee ees 101 INA A 103 Scanner controller PCB 0 ccc ee ees 104 Intakefan ee ee eee ens 106 C9148 90909 6 Removal and replacement 69 Removal and replacement strategy This chapter documents the removal and replacement of field replaceable units FRUs only Reinstallation is generally the reverse of removal Occasionally notes are included to provide directions for difficult or critical replacement procedures WARNING Unplug the power cord from the power outlet at the wall receptacle before attempting to service the product If this wa
66. a digital RGB signal e copy processor communication eo flatbed intake fan off in PowerSave mode half speed when idle full speed when scanning ADF motor circuit The ADF motor circuit controls the operation of the ADF motor The ADF motor is a 24 vdc stepping motor lt rotates in a counterclockwise direction The ADF motor is not fault protected Note When a fault protected motor circuit fails an error message appears on the control panel The ADF motor circuit is not fault protected No error message appears on the control panel display if this circuit fails Optical unit motor circuit The optical unit motor circuit controls the optical unit motor and the movement of the unit The optical unit motor is a 24 vdc stepping motor lt rotates in both a clockwise and counterclockwise direction If the optical unit motor fails the message 3 1 17 SCAM FAILURE appears on the control panel display Scan unit intake fan motor circuit The fan motor circuit controls the fan speed The fan is off in PowerSave mode it rotates at half speed when the product is idle and at full speed during the scanning process when a document IS Haleco in me ADF or WAAN a LCONTOS panel button or key is pushed If the fan motor fails the message 3 B6 Scan Fai gt appears on the control panel display C9148 90909 5 Theory of operation 61 Scanner controller board connectors Pepo i ATT LOTTO ee Pap BI J1208 CNO Na Yet N y MS
67. al direction gt Optical unit motor Unit moves backward Unit moves forward DO E E E Optical unit MOTOR DRIVE Sensor flag signals J1207 ee A EEA A A A a Th asec ee nes MOTOR CONTROL P1 1201 signals Optical unit home position detection sensor Scanner controller j Optical unit block diagram The scanner controller board illuminates the flatbed lamp after receiving the scan command from the copy processor board As the document is exposed to the illumination of the scanning lamp the reflected light from the glass is sent by way of three scanning mirrors and a lens to the CCD driver PCB for image processing When the scanning process is complete the optical unit returns to the home position Document Glass rali Second mirror Inverter circuit CN1 Scanning lamp First mirror J1202 CCD PA CA IC1201 s Third mirror Scanner controller Optical unit Scanning process 5 Theory of operation 65 Inverter PCB The inverter PCB provides the current and voltage phase the scanning lamp requires Scanning lamp The scanning lamp illuminates the source document which causes reflected light from the glass to be directed to the CCD driver PCB for document imaging CCD driver PCB When the CCD driver receives the reflected light from the exposure process it photo electrically converts the light into three analog signals RGB
68. al sending and copying features by using the glass located below the ADF The glass can accommodate letter or A4 size and smaller originals books manuals receipts and similar documents Irregular and worn documents stapled documents and photographs can also be easily sent or copied using the flatbed General guidelines for using the glass Using the glass 1 Open the ADF cover and place the original document face down on the glass Lower the cover 2 On the control panel select the sending or copying options you want to use See the Walk up copying and Sending to e mail sections in the use guide for information about these functions 3 After making the selections press START Copies are sent to the output bin beneath the flatbed 4 When the scan is complete remove the original document from the glass 3 Operation 29 Using the control panel Figure 8 Hint 30 Operation Layout and operation 1 N oo A l Sa 5 D D 5 E A AY y aB 000 Se ee ee E E A ES aa a Ka E a a a NA la Es Co Ce Ea Ca operados pa LL oe NG NA E a 6a E E 8 Q oO D E STOP o es O t 10 Star 11 Control panel 1 Help provides Help files that contain information about the control panel display when problems occur Control panel display 3 Navigation buttons four arrow buttons that are used to move among elements on the control panel
69. aning Page Job On Copies 1 to 999 Sel Form Length 60 Auto Conti Background Orientation Portrait Off On or Resets Removal Font Source Internal 0 8 2 Font Pitch 10 00 Toner Low Symbol Set PC 8 Continue y Restore Factory Append CR to LF NO Stop Continue Powersave ON sd do Lock Carriage PP i Clear Address Book Jam Recovery Off On Auto Language English Print Show Calibrate Paper Control DAENS Sece Event Log Event Log Scanner Path Test Beanie Panel Calibrate Print Test Page Sensors LEDs Lead Adjust Snede Source Tray2 AOE Suuioor Displays a ee Pickup Solenoid Buttons amp SERVICE Clear L Maintenance Maintenance ADF Flatbed password Event Log g Count Interval Count Count protected Count 200000 ADF Simplex Copy Scan Send Scan Copy Pages Scanner Serial Number Count Count Count Count Settings XXXXXXXXX Cold Reset Save Settings Paper Size Restore Settings A4 Letter Figure 12 MFP menu map 2 of 2 34 Operation C9148 90909 Maintenance Cleaning the product cece eee eens 36 General guidelines eee 36 Running the cleaning page 2 cee eee eee 37 Cleaning the ADF delivery guide clear mylar strip 37 User replaceable parts 1 0 ee eee 39 Replacing user replaceable partS o oo oooooooooo 39 Updating product firmware 0 0 aaa 41 Downloading a remote firmware update 41 Installing the update ee 41 RFU in
70. ath cee ees 140 Use the straightest paper path 140 Isolate the source of the jam AAA ees 140 Determine where media jams occur 140 Is the MFP is misfeeding or creating multifeed jams 140 Isolate a media brand 0 ccc ee ees 141 Isolate a media type ees 141 Wiring diagrams AA 142 6 Table of contents C9148 90909 8 Parts and diagrams Ordering parts supplies and getting support 144 AINA AA as 144 Related documentation and software 144 SUDDO coecceeeuehaceas dos ron INA as res 144 Accessories mear e eines des ato de bo aes E e o ip a 145 CONSUMADIES 2226 lt i6 4546840550444 84000454 40054 aa 145 Common hardware 0 00 ccc eee eee 146 HP Laserjet 4100 differences 0 0 00 cece eee eee 146 How to use the parts lists and diagrams 147 Parts lists and diagrams ccc ee eee 148 Alphabetical parts list a 162 Numerical parts list eee eee eee 164 Index C9148 90909 Table of contents 7 8 Table of contents C9148 90909 List of figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 Figure 22 Figure 23 Figure 24
71. com go 1 4100 firmware Turn the MFP power off and then back on again Attempt the RFU installation again e The printer recognizes that the RFU file is not correct for installation to the intended MFP product and rejects the update Download the correct RFU file from the website http www hp com go j4100_ firmware Turn the MFP power off and then back on again Attempt the RFU installation again e See the information about the job canceled break in I O and power cycle error messages in this section e The flash DIMM has failed Replace the flash DIMM on the formatter The HP LaserJet 4100mfp product contains a backup copy of the latest version of firmware on the flash DIMM If a RFU update fails the MFP uses this backup copy of the firmware to restart Then attempt to install the update again When the MFP starts using the backup copy of the firmware some mip capabilities are not functional for example copying or digital sending A successful update must be accomplished to fully restore MFP functions C9148 90909 Performing hard drive disk initialization Before performing hard drive initialization print the following MFP information pages Use these pages to reset any menu settings that the user has changed from factory defaults e Configuration page see Evaluate the information pages on page 130 e File directory page see Evaluate the information pages on page 130 1 Turn the product power off 2 Press a
72. correctly plugged in at both ends See Back view on page 21 Verify that the flatbed intake fan is functioning the unit is receiving power If the fan is not functioning verify that the connectors at J1203 scanner controller PCB and J1201 power supply are correctly connected and fully seated Check for frayed pinched or damaged wires Verify that the flatbed power supply is functioning Printer is functioning power on fans running and so forth but the control panel display is blank or displays garbled text Verify that the control panel cable connector location J1210 on the scanner controller PCB is correctly connected and fully seated Verify that the control panel wire harness is correctly connected to the control panel door located behind the control panel grounding strip See Control panel door on page 79 Verify that the power supply in the flatbed unit is functioning Check for frayed pinched or damaged wires Replace the control panel Hint The control panel gets its power from the power supply in the scan unit not the power supply in the print unit No ac power Defective power supply unit e Verify that the power supply fuse is not blown power supply PCB location F101 e Verify that all power supply connectors are fully seated e Replace the power supply See Scan unit power supply on page 101 No dc power No ac power is supplied e Check for ac power The
73. d on page 124 1 Verify that all of the sensors move freely see Scan unit components on page 55 and ADF components on page 56 2 Turn the power off and then back on 1 Close the ADF door Press the START button 2 Verify that the ADF door sensor PS10 is functioning e Open the cover The message on the control panel should alternate between READY and FLATBED COUER OPEN e Perform a sensor service test see Diagnostic tests on page 126 3 Check the ADF door sensor PS10 for loose connectors or pinched and frayed wires 4 Replace the sensor if necessary see ADF door open sensor PS10 on page 98 1 Wait until the cleaning page has printed 2 Reload the source document and press START to begin the job See the HP LaserJet 4100 series printer service manual for more information 1 Wait until the cleaning page has printed 2 Reload the source document and press START to begin the job See the HP LaserJet 4100 series printer service manual for more information Start the firmware upgrade operation over See Downloading a remote firmware update on page 41 7 Troubleshooting 121 Table 18 Control panel error messages continued Explanation Recommended action Communication has failed 1 Verify that the high speed copy connect between the copy processor board cable between the formatter and the copy and the formatter processor board is correctly connected
74. d the scanner controller initiates a document delay jam signal e Document stationary jam If the leading edge sensor does not detect the trailing edge of the document after it detects that the leading edge has passed the scanner controller board initiates a document stationary jam signal Scan unit intake fan The intake fan draws fresh air into the flatbed assembly lt is controlled by the fan drive circuit which is located on the scanner controller board The fan is off in PowerSave mode it rotates at half speed when the product is idle and at full speed during ie ae ada Ing intake fan motor is fault protected If the fan motor fails the message B6 Scan Fai appears on the control panel display The fan must be replaced so that it draws air into the flatbed Failure to correctly position the fan can result in damage to MFP components Verify that the airflow arrow located under the drive belt tension bracket embossed on the fan housing points into the flatbed See Correctly orient the intake fan and bracket on page 107 68 Theory of operation C9148 90909 6 Removal and replacement Removal and replacement strategy ooooooooooo 70 Required to0ls a 70 Before performing service eee 70 After performing service oocooocococooo 70 Common fasteners ee ees 71 Parts removal order eee ee eee 72 User replaceable parts ee ee 73 ADF ANDY IAY pnk
75. d expense Hint If a remote firmware update installation fails see RFU installation error messages on page 44 and or Firmware update event log errors on page 119 This list describes the basic questions to answer and provides the corresponding troubleshooting sections that define the problem s Table 14 Primary steps for troubleshooting Basic troubleshooting on page 114 Does the MFP perform the initialization and power on sequence This table contains the procedures for basic MFP troubleshooting Control panel messages on page 120 Does the control panel display an error condition This table contains the procedures for clearing control panel messages ADF paper path test on page 126 Is it possible to perform a paper path test This section contains information about troubleshooting paper path and print media problems Evaluate the information pages on Does information in the event log explain the problem page 130 This section contains the procedures for printing the information pages and evaluating and correcting printer configuration Image formation troubleshooting on Does the print quality meet customer expectations page 136 This section contains print cartridge checks information EconoMode on page 137 about EconoMode and image defect examples Media troubleshooting on page 140 Is the media in use acceptable for this MFP This section contains in
76. d or server or MFP major assemblies 2 Determine whether the problem is located in one of the paper handling devices or in the product engine 3 Troubleshoot the problem using the procedures in the troubleshooting chapter of this manual See Troubleshooting on page 109 When a faulty part is identified repair is usually accomplished by assembly level replacement of field replaceable units FRUs Some mechanical assemblies can be repaired at the subassembly level Hewlett Packard does not support replacement of components on the printed circuit boards PCBs Major assemblies Figure 5 Major assemblies 1 automatic document feed ADF unit 2 scan unit 3 print unit 24 Service approach C9148 90909 Contact HP C9148 90909 World Wide Web Printer drivers updated HP printer software and product and support information can be obtained from the following websites U S http www hp com support j4100 Europe http www hp com support 1j4 100 China ftp www hp com cn support lj4 100 Japan ftp www jpn hp com support 1j4 100 Korea http www hp co kr support 1j4100 Taiwan http www hp com tw support I 4100 or the local driver website http www dds com tw HP support assistant CD ROM This support tool offers a comprehensive online information system designed to provide technical and product information about Hewlett Packard products To subscribe to this quarterly service in the U S or Canada
77. der the gray ribbed guide callout 2 which is located under the white padded sheet 6 Align the holes in the sheet with the small plastic spindles callout 3 in the delivery guide Press the clear plastic sheet down onto the spindles Figure 15 Replace the clear plastic sheet Note Make sure that the free end of the clear plastic sheet part number RB2 8793 000CN is tucked behind the gray ribbed guide and the white padded sheet 7 Close the delivery guide cover The cover is properly closed when you hear the delivery guide cover plastic handles click into place 8 Wipe the outside surface of the delivery guide with the cloth 38 Maintenance C9148 90909 User replaceable parts Hint Note C9148 90909 Replacing user replaceable parts i ensure iat le Paa maintains optimal performance replace certain parts when the Perform Printer Mairi message appears on the product control panel display The maintenance message appears every 200 000 pages default setting To check the number of pages the product has printed either print a configuration page or a supplies status page See Evaluate the information pages on page 130 To order a print unit maintenance kit see the HP LaserJet 4100 series printer service manual Unless they are damaged the ADF pickup roller separation roller and separation pad should not need to be replaced Table 7 User replaceable parts See ADF unit on page 78 User replaceable
78. dering 144 removing and replacing 24 70 user replaceable 39 Attention light 30 auto cleaning page 37 121 automatic document feeder See ADF B billing usage page 134 bin output 20 blank pages troubleshooting 138 buttons control panel 30 C C Clear key 30 cables part numbers 145 C9148 90909 calibration automatic 47 manual 48 cancelling jobs 30 capacity trays 15 cartridge part number 145 removing 79 replacing 40 troubleshooting 137 CCD charged couple device connector 62 operations 52 53 66 voltage 63 CD ROM support assistant 25 charged couple device CCD connector 62 operations 52 53 66 voltage 63 checks diagnostic 126 cleaning page 37 121 procedures 36 Clear C key 30 clear mylar strip cleaning 36 37 clearing counts 127 cold reset 45 components MFP 54 configuration page 130 configurations product 14 146 configure device menu 32 connectors scanner controller board 62 consumables ordering 145 control panel cleaning 36 connectors 62 copy settings 31 door removing 79 error messages 120 event log 117 keys 30 locating 20 menu map 33 menus 32 modes 30 navigation 31 replacing 19 settings overriding 129 status bar 31 testing 126 troubleshooting 114 116 copy processor board CPB LEDs 59 124 memory upgrades 145 operations 52 57 removing 83 troubleshooting 121 Index 167 copying control panel keys 30 31 features 15 operations overview 52 resolution 15 16 skew speci
79. display Use the central SELECT y button to choose an element or enter a menu 4 C Clear resets the copy count or other numeric entries 5 MENU use to choose device configuration menus on the control panel 6 Status lights Ready light Data light and Attention light 7 Light and dark buttons use to increase or decrease the brightness of the copy image 8 REDUCE and ENLARGE buttons use to scale the copy size 9 RESET returns all current job settings to their default values 10 STOP cancels a copy job digital send job or print job 11 START begins or resumes a job 12 Numeric keypad and keyboard the keypad is used to type numerical values The keyboard is used for digital sending features and for typing other data If the MFP is put into a paused mode see Menu map on page 33 the control panel displays the message Fase at the top of the display To return the MFP to the ready mode press MENU and then use the navigation buttons callout 3 to highlight on the control panel display Press the SELECT y button The message displayed on the control panel changes from Fansen tO Hecha The MFP paused mode is not the same as ci mode When the MFP is in PowerSave mode the control panel displays the message Fiera Gr at the top of the display When in PowerSave mode pressing any key or button on the conta panel will return the MFP to the ready state C9148 90909 Figure 9 Figure 10 C9148 90909 Navigatio
80. document is passed through the flatbed scanning path and the image processing operation controlled by the CCD driver begins e The delivery roller transfers the source document to the ADF output If more source documents are in the input tray the process repeats Scamner controller Ko A _ T od 2 5 D x u gt o 2 o A a EZ pe a gt a u2 zo mO o 5 T o goj Z0 Son 5 or a Zo 2 Si Li O a NO ots Oli lt mic O D 007 AAL gt EN O z u a lt y im ADF PCB p a o O Gi Q O LL Da O E ET E E E gt I I I A Separation roller 9 qe roller 1 OA ie Separation pad ADF oy tray O Delivery roller l Feed roller QS Scanning position Delivery tray Glass y PS10 Optical unit PS1 Leading edge sensor PS2 Document detect sensor PS10 Flatbed door open sensor SOL1 Document pick up solenoid M1 ADF drive motor M10 Optical unit drive motor Figure 28 Document transport path Hint To locate these components on the ADF see ADF components on page 56 C9148 90909 5 Theory of operation 67 CAUTION ADF cover sensor PS10 The ADF acor ene sensor PS10 detects ADF door status open or closed If the ADF door is opened a ED COVER UFEH message appears on the control panel display If the ADF door is opened Aina the doedman transport process the ADF drive motor stops and a door open message appears o
81. e 135 initialization 45 locating 21 Help key 30 horizontal lines troubleshooting 138 HP JetDirect card locating 21 replacing 40 HP JetDirect page 132 HP LaserJet 4000 comparison 146 HP Technical Training 144 HP Web JetAdmin firmware updates 42 image quality specifications 15 16 troubleshooting 136 138 information pages 114 130 initializing hard drive 45 input trays See trays intake fan connector 62 filter 86 locating 55 operations 61 68 removing 106 troubleshooting 116 122 voltage 63 intermediate PCB connector 62 operations 63 inverter PCB connector 62 operations 66 removing 103 testing 126 troubleshooting 123 J jams detection operations 68 misfeeds 140 troubleshooting 128 JetAdmin firmware updates 42 C9148 90909 JetDirect card locating 21 replacing 40 JetDirect page 132 K keys control panel 30 L lamp See scanning lamp language control panel 117 LaserJet 4000 comparison 146 leading edge calibration 48 49 leading edge sensor PS1 operations 68 testing 126 LEDs control panel 30 126 copy processor board CPB 59 124 left side cover removing 84 lights control panel 30 126 copy processor board CPB 59 124 lines troubleshooting 138 139 lock optical unit 20 low voltage components 63 maintenance agreements 25 cleaning procedures 36 counts clearing 127 kits 39 manuals 14 144 media capacity 15 HP part numbers 145 jams 68 128 misfeeds 140 sizes supported 18 tray
82. e current or voltage draw the overcurrent or overvoltage protection function interrupts the power supply output If this happens turn the printer off and then identify and repair the malfunctioning component The power supply must remain off for at least two minutes for the overcurrent and overvoltage functions to reset A fuse power supply PCB F101 protects against overcurrent coming from the ac source inlet power cord 5 Theory of operation 63 Power supply block diagram Printer Image scanner Scanner controller Intermediate PCB Document pick up solenoid ADF motor Optical unit motor Flatbed intake fan Inverter circuit CCD drive circuit Sensors Power supply unit de Figure 24 Power supply block diagram 64 Theory of operation AC Input C9148 90909 Figure 25 Figure 26 C9148 90909 Optical unit The optical unit consists of the optical unit chassis the scanning lamp the CCD driver PCB and the optical unit motor When the power is turned on the scanner controller board activates the optical unit motor and the unit begins to move along the rails When the optical unit home sensor flag located on the bottom of the unit aligns with the home position sensor located on the scanner controller board P11201 the unit stops in the home position Glass 5 Motor rotates in the Motor rotates in the reverse direction norm
83. e mark of the United States Environmental Protection Agency LG HC lable of contents List of figures List of tables 1 Product Information Apie Sloe i alg E dass ooo re ret 14 Product configurations 0 2 0 a 14 HP LaserJet 4100mfp C9148A 2 anaana ee 14 HP LaserJet 4101mfp C9O149A o 14 Product features accionar cra AA 15 Product speed and throughput 0 cee noo 15 Mage QUAY s 2a awe t CE CGA a KAL LA KA BAK KA 15 Paper handling aa 15 Copying capability 0 naaa ee ee 15 Expandable design ee eens 16 Product specifications 0 naoa cc eens 16 Media specifications 1 naoa aaa naaa ee ee eens 18 Special considerations for ADF documents 18 Supported media for the glass oooooooooooo ooo 18 Model and serial numbers 0 0c ee ee eee 19 Product OVErViICW 6 ee ee ee eee 20 PIONU VIEW csi esas ds e sare nee ees PIA oa 20 le a0 a doe ae Soe ea 6 wader ene ad coded org ast 21 2 Service approach Service approach coo 24 Major assemblies n nannaa AG KANG Dba arde 24 GOMAS maa kaaga darte ss dea eo LAHAD DA dns 25 World Wide Web 2 2 25 HP support assistant CD ROM 22 a 25 HP authorized resellers and support 25 HP service agreements a 25 3 Operation Using the ADF unit 0 0 0 28 General guidelines for using the ADF unit
84. e printing unit top cover 0 0 o 91 Remove the glass mounting SCreWS 2 a 92 Remove the glass aa nma MANNA Bb WA AA ma AL 92 Note the cable routing pattern aaa 93 Remove the scanning lamp ne 94 Scanning lamp wire harness routing cee eee eee 94 Release the optical unit ribbon cable 0 0 95 Optical unit ribbon cable clip AA 95 Release the tension spring bracket o o oooooooononno noo 96 Remove the optical unit AR A EA A Ab 96 Optical unit drive belt tension bracket o ooooocoooooo ooo o 97 Optical unit ribbon Cable ooooooooronooon nara 97 Remove the ADF door open sensor ees 98 Remove the optical unit cover plate 2 0 nes 99 Remove the optical unit drive gear motor assembly 100 Remove the power supply shield cece eee eee 101 Remove the power supply eee eee eee 102 Remove the inverter PCB 1 0 0 aa 103 Unplug the comeclorS sit deed a BIEN add e 104 Grasp the scanner controller PCB 0 nooo 105 Remove the scanner controller o oooooooonorono nooo 105 Remove the fan mounting screws eee 106 Remove the intake fan o 107 Correctly orient the intake fan and bracket o o o oooooooo o 107 Basic troubleshooting flowchart 0 000 cece eee eee 113 Sample MFP event log page
85. eet holder 4 Figure 100 Note Only replace the entire ADF unit if all attempts to troubleshoot the unit at a component level have failed or if the ADF unit component that has failed is not a service part it has no part number See Troubleshooting on page 109 C9148 90909 8 Parts and diagrams 159 ADF unit 2 of 2 Figure 101 C9148 90909 160 Parts and diagrams C9148 90909 Table 35 ADF unit 2 of 2 Part Number Description Reference RF5 3808 000CN Separation pad assembly 1 Figure 101 RS6 2572 000CN Spring compression 2 Figure 101 RB2 8769 0000CN Roller pickup 3 Figure 101 RG5 6583 000CN Roller separation 4 Figure 101 RB2 8781 000CN Cover rollers 5 Figure 101 8 Parts and diagrams 161 Alphabetical parts list Part Number RG1 4120 000CN RG5 6579 000CN RG5 6549 000CN RA2 2964 000CN RA2 2940 000CN RH2 5513 000CN RH2 5517 000CN RH2 5515 000CN RH2 5516 000CN RG5 6534 000CN RG5 6563 000CN C8541 67901 RG5 5298 000CN C9148 40001 C9148 40002 C9148 40003 C9148 40004 C9148 40005 C9148 40006 C9148 40007 C9148 40008 RB2 8781 000CN RB2 8757 000CN RB2 8758 000CN C9168 67901 C9147 679020 RH7 1511 000CN RF1 4169 000CN RA2 2961 000CN RA2 2955 000CN C7844 67109 D 2 D E nd gt 3 5 D o D o D o D 7 RB2 8748 000CN VD7 0644 001CN VD7 0041 251CN RG1 4127 000CN RB2 8751 000CN 5969 8660 RA2 2948 000CN RH7 3075 000CN RH7 3074 0
86. ent for the ADF does not effect the leading edge adjustment of the glass Note Manual calibration increment values are in pixels 600 pixels per inch All values are positive numbers The center adjustment value 2670 represents an imaginary center line through the ADF It may not be exactly centered due to mechanical tolerances between MFP units Hint Before attempting to manually calibrate the MFP first try the automatically calibrating procedure see Performing automatic Calibration on page 47 ADF lead adjustment Glass leading edge adjustment 0 0 0 255 Q 255 a D a ADF center adjustment 2 Q O 9 2470 2870 o 2 yi ADF 3 D Control panel Control panel Figure 17 Manual calibration registration lines Lead adjustment for the ADF Hint It might be helpful to reset the product settings to factory defaults before attempting manual calibration Be sure to print a configuration page before doing a setting reset so that any user defined settings can be restored see Configuration page on page 130 Press the MENU button Select 1 AGHCEESTICES Select ALIBEATE SCANNER Select LEAD ADJUSTMENT oa Bm OW N the numeric Kama to ben a value for ie a edge adjustment Hint Entering a lower value than current setting moves the image away from the leading edge toward the bottom of the page Entering a higher value than the current setting moves the image toward the leading edge toward the top of the page Press
87. envelope feeder 145 error messages control panel 120 event log 117 firmware updates 44 language settings 117 ESD electrostatic discharge 70 event log clearing 127 displaying or printing 117 exposure system operations 52 F fan intake connector 62 filter 86 locating 55 operations 61 68 removing 106 troubleshooting 116 122 voltage 63 fasteners 71 146 features 15 field replaceable units FRUs alphabetical list 162 numerical list 164 ordering 144 part numbers 147 removing and replacing 24 70 user replaceable 39 file directory page 135 filter intake fan 86 firmware updates configuration page 130 downloading 41 HP Web JetAdmin procedures 42 troubleshooting 44 119 Windows parallel connection procedures 43 flatbed components 55 126 removing 90 flatbed intake fan connector 62 filter 86 locating 55 operations 61 68 removing 106 troubleshooting 116 122 voltage 63 flowchart troubleshooting 113 formatter cage removing 87 diagram 156 operations 57 part number 157 C9148 90909 FPGA operations 57 60 FRUs field replaceable units alphabetical list 162 numerical list 164 ordering 144 part numbers 147 removing and replacing 24 70 user replaceable 39 fuse overcurrent protection 63 G glass calibrating scanner 48 49 cleaning 36 copying from 29 diagram 156 media specifications 18 part number 157 removing 92 scanning operations 53 troubleshooting 123 H hard disk file directory pag
88. ervice manual for environmental specifications The operating environment for the MFP is within the temperature and humidity specifications See the HP LaserJet 4100 series printer service manual for environmental specifications Non HP components such as refilled print cartridges font DIMMs and memory DIMMs are removed from the MFP Note Sudden changes in MFP environment can cause image defects and media handling problems Make sure the MFP is not exposed to direct sunlight or to heating or cooling vents Allow time for the MFP and media to acclimate whenever changing environments for example moving from a cold environment to a warm one Acclimation can take anywhere from 3 to 24 hours depending on the ambient conditions Media condition The selected tray is properly loaded with media and the sliding media guides are adjusted correctly The selected tray is not overfilled with media The media is not damp The media is not dirty Unit condition 112 Troubleshooting Verify that The HP LaserJet 4100mfp is not in a paused print job state if the unit is in a paused state the READY LED is not illuminated and the message i 3 appears on the control panel display see the Hint on page 30 Verify that the HP LaserJet 4100mfp is not in PowerSave mode Verify that the ADF cover is closed C9148 90909 Basic troubleshooting process flow 4 Power on Do any readable messages appear on the control panel display NO
89. ery roller is worn or deformed replace it Paper dust or dirt in the feed roller e Clean the dirty area See Cleaning the ADF delivery guide clear or feed guide mylar strip on page 37 ADF input tray guides are not e Verify that the guides are not adjusted either too tightly against properly adjusted the media or too loosely and separate from the media Scratched deformed feed guide e Check the paper path If the guides are scratched or deformed replace the ADF input tray See ADF input tray on page 73 128 Troubleshooting C9148 90909 Clearing repeated ADF jams 1 Check to see that media is correctly loaded in trays and that the ADF input tray guides are correctly adjusted see General ADF jam troubleshooting on page 128 2 Try turning over the stack of paper in the tray If you are using letterhead paper try printing from a different tray Do not use previously printed paper or torn worn or irregular paper Check the media specifications If the media is outside of the recommended specifications problems might occur See the Print Media Guide for the HP LaserJet printer family Creating a customer print job Ask the user to send a print job from the problem source s to the problem destination s Try to recreate the jam errors by having the user perform a paper path test See ADF paper path test on page 126 When verifying print jobs make sure that all of the settings are selected as the way the
90. fications 17 speed 15 16 status bar 31 troubleshooting 115 123 using ADF 28 using glass 29 country of origin 19 counts clearing 127 covers cleaning 36 control panel removing 79 diagrams 148 formatter cage removing 87 left side removing 84 part numbers 149 right side removing 82 top 91 150 CPB copy processor board LEDs 59 124 memory upgrades 145 operations 52 57 removing 83 troubleshooting 121 critical error messages 120 customer support 25 144 D Data light 30 default settings firmware updates 41 menu map 33 restoring 30 delay jams 68 delivery roller ADF 67 diagnostics 32 126 digital sending configuration page 130 resolution 16 software 14 145 dimensions specifications 16 DIMMs copy processor board 57 part numbers 145 directory structure page 135 disconnecting power supply 70 disk file directory page 135 initialization 45 locating 21 display See control panel documentation 14 144 document delay jams 68 document detect sensor PS2 operations 68 testing 126 document stationary jams 68 door control panel 79 door open sensor PS10 connector 62 locating 55 operations 68 removing 98 troubleshooting 121 168 Index downloading firmware 41 software 25 draft mode 137 drive gear motor assembly removing 99 drivers printer 25 DSP operations 57 60 duplex printing accessory part number 145 duty cycle 15 E EconoMode 137 electrostatic discharge ESD 70 enlarging copy size 15 30
91. formation about how to determine print media problems and correct them C9148 90909 7 Troubleshooting 111 Preliminary operating checks Verify that the conditions in the following lists are met before troubleshooting a specific MFP problem Installation conditions The MFP is plugged in and specified power is delivered Hint The print unit and the scan unit have separate power cords and power receptacles Verify that both of these cords are correctly installed and that the print unit s power cord is connected to a working power receptacle See Back view on page 21 The MFP receives maintenance on a regular basis See Cleaning the product on page 36 The MFP is positioned on a solid level surface The MFP is not exposed to direct sunlight The print unit is never exposed to ammonia fumes See General guidelines on page 36 The customer is using acceptable print media See the HP LaserJet 4100 series printer service manual for printing specifications or see the Print Media Guide for the HP LaserJet printer family for general requirements The scanner carriage lock is in the unlocked position See Front view on page 20 The cable from the ADF is securely fastened to the connector on the scanner controller assembly See Back view on page 21 The line voltage does not vary more than 10 percent from the nominal rated value specified on the power rating label See the HP LaserJet 4100 series printer s
92. glass allows automatic document registration during the exposer process The light is reflected from the scanning plate and is sent by way of three mirrors and a lens to the CCD driver PCB for image processing The source document is deposited in the ADF output e The source document is manually placed on the glass After receiving the scan command from the copy processor board the scanner controller sends a signal to the scanning lamp The lamp illuminates the document as the optical unit motor moves the optical unit down the length of the document The light is reflected from the scanning plate and is sent by way of three mirrors and a lens to the CCD driver PCB for image processing When the scanning process is complete the optical unit returns to its home position 52 Theory of operation C9148 90909 Note C9148 90909 Light conversion process When the charged couple device receives the reflected light it photo electrically converts the light to three analog signals red green blue or RGB These three signals pass through an analog to digital converter and the resulting digital signals are sent to the scanner controller board The scanner controller board sends the digital signals to the copy processor board which initiates output through the base printer If the source document is manually placed on the glass the scanning process is the same except for document transportation 5 Theory of operation 53 General description
93. h Cable guide for the scanning lamp cable Plate Guide lower optic unit ribbon cable clip Holder lock Plate Guide upper optic unit ribbon cable clip Handle face up Scan unit motor assembly optic unit drive gear motor Scanner controller PCB 4 Figure 99 2 Figure 99 3 Figure 99 Not shown 4 Figure 95 5 Figure 99 Not shown 6 Figure 98 14 Figure 98 9 Figure 97 10 Figure 97 13 Figure 98 7 Figure 97 13 Figure 97 3 Figure 97 5 Figure 96 2 Figure 96 1 Figure 95 3 Figure 96 4 Figure 96 2 Figure 95 3 Figure 95 8 Figure 96 3 Figure 101 5 Figure 101 3 Figure 100 2 Figure 100 12 Figure 97 4 Figure 100 1 Figure 101 1 Figure 98 2 Figure 98 5 Figure 98 C9148 90909 Table 37 Numerical parts list continued RG1 4124 000CN Optical unit comes with the scanning lamp 2 Figure 97 and ribbon cable RG1 4127 000CN Glass assembly 1 Figure 99 RG1 4131 000CN Pulley carriage assembly optic unit drive 5 Figure 97 belt tension bracket RG5 5298 000CN Cover front assembly 5 Figure 95 RG5 6534 000CN Connector PCB assembly 7 Figure 96 RG5 6549 000CN ADF unit entire assembly Does not include the ADF input tray RG5 6579 000CN RG5 6563 000CN Control panel assembly 1 Figure 96 RG5 6579 000CN ADF input tray 1 Figure 100 RG5 6583 000CN Roller separation 4 Figure 101 RG5 6644 000CN Panel cable 6 Figure 96 Power supply with veristor cover 3 Figure 98
94. ibration procedure 1 Verify that there is not any media left on was not completed the glass from a previous copy job 2 Attempt to perform the auto calibration procedure again see Performing automatic Calibration on page 47 120 Troubleshooting C9148 90909 C9148 90909 Table 18 Control panel error messages continued Explanation Recommended action Communication between the printer formatter and the copy processor board has failed A sensor is not in the correct position when the MFP is initializing when the power is turned on The ADF cover is open or the ADF door sensor PS10 is not properly functioning The auto cleaning page is in process This can take up to 2 5 minutes The manual cleaning page is in process This can take up to 2 5 minutes The firmware image was corrupted during an upgrade operation 1 Verify that the high speed copy connect cable between the formatter and the copy processor board is correctly connected see Formatter cage on page 87 Reseat the connectors 2 Verify that the copy processor board is firmly seated into the connector on the intermediate PCB 3 Check for broken frayed or pinched wires 4 Verify that the firmware DIMM and memory DIMM on the copy processor board are firmly seated See Copy processor board on page 57 5 Verify that the copy processor board LEDs are illuminated See the table in Troubleshooting with the copy processor boar
95. igure 19 C9148 90909 Scan unit components Ene PS E i m _ Fe 3 hi kha i thes s ey CE T EEEIEE i a gt Ki NEEAEEAEELLL 6 000600000 TEEIEEIELAL 000600000000 560000000000 A AS Scan unit components 1 intake fan 9 optical unit assembly includes the CCD driver inverter control PCB PCB ADF door open sensor dO Seamer lan PS10 j 4 optical unit drive belt Hy Optics UNO optical unit motor under the shield 6 power supply under the shield control panel connector scanner controller board under the shield 5 Theory of operation 55 ADF components ADF unit components 4 2 3 4 5 56 Theory of operation ADF separation roller ADF pickup roller ADF pickup solenoid SL1 ADF drive motor ADF to scanner controller connector document detect sensor flag PS2 leading edge sensor inside the ADF PS1 ADF separation pad ADF sliding media guides C9148 90909 Figure 21 C9148 90909 Copy processor board This section describes the operation of the copy processor board CPB during normal operation of the MFP This description is more detailed than the CPB troubleshooting chapter in this manual The CPB is the link between the formatter in the print unit and the scanner controller board in the scan unit Control signals from the formatter are sent to the CPB The CPB then sends these control signals to the scanner controller board
96. il capability e SMTP mail service support e Lightweight Directory Access Protocol LDAP compatibility Note The HP LaserJet 4101mfp is available only in the United States and Canada 14 Product Information C9148 90909 Product features C9148 90909 Product speed and throughput copying of letter size media at 25 pages per minute ppm or A4 size media at 24 ppm monochrome scanning of letter size originals at 25 ppm or A4 size originals at 24 ppm and color scanning at 8 ppm instant on fuser scan once copying RIP ONCE copy capability scan ahead capability to start copying or sending while the printer is busy monthly duty cycle of 150 000 pages Image quality FastRes 1200 1200 dots per inch dpi print quality for fast high quality printing of business text and graphics copying and scanning at a resolution of 600 pixels per inch ppi up to 256 levels of gray for smooth photo like images HP print cartridge for crisp sharp output Paper handling HP LaserJet 4100mfp the 100 page and 500 page input trays are standard HP LaserJet 4101mfp the 100 page and two 500 page input trays are standard capable of copying on a wide range of media sizes types and weights expandable to hold up to 1600 sheets of media standard 250 sheet face down output duplexing standard on the HP LaserJet 4101mfp glass which can accommodate media sizes up to letter A4 size ADF with 30 page capacity to handle media sizes up to legal size Co
97. interference with the optical unit as it moves in the scan unit Figure 66 Scanning lamp wire harness routing Reinstall Note Anytime the glass is removed and replaced calibrate the ADF scan unit See Calibration on page 47 94 Removal and replacement C9148 90909 Optical unit 1 Remove the following assemblies e glass See Glass on page 92 scanning lamp See Scanning lamp on page 93 CAUTION Do not touch the mirror because fingerprints will affect print quality CAUTION It is important to note the routing and placement of the optical unit ribbon cable before removing it Incorrect routing or placement when the cable is re installed might cause damage to the cable or the optical unit See figure 72 on page 97 2 Open the cable clip callout 1 and disconnect the scanner carriage ribbon cable from the scanner controller PCB d F Figure 67 Release the optical unit ribbon cable Hint Unsnap the clip arm from its hinge end see figure 68 and remove it to prevent losing the clip arm during servicing Take note of how the clip is hinged and how it is fastened before removing it Hinge end Clip end N Figure 68 Optical unit ribbon cable clip C9148 90909 6 Removal and replacement 95 Figure 69 Figure 70 3 Center the optical unit in the scan unit to allow access to the optical unit drive belt tension bracket
98. ion The original document is placed on the glass or in the ADF The user selects job preferences by using the control panel buttons and keys The user presses the START button Job preferences are sent to the formatter Some job preferences are held and then processed later for example N up by the formatter Others are sent to the CPB The CPB sends control signals to the scanner controller board The document is scanned The scanner controller board sends scanned image data back to the CPB The CPB processes the image The CPB sends the image data to the formatter The formatter further processes the image data if required The image data is then either printed or sent digitally depending on what the user specified at the beginning of the process C9148 90909 Hint Figure 22 C9148 90909 Copy processor board LEDs The CPB has four light emitting diodes LEDs that can be viewed when you face the back of the MFP callout 1 These LEDs illuminate in specific patterns depending on the CPB status during initialization initialization occurs when power to the MFP is turned on After initialization the LEDs can be used to troubleshoot the CPB see Troubleshooting with the copy processor board on page 124 The table in this section describes the LED pattern sequences during the first and second stage of CPB initialization The LEDs can be difficult to see through the holes provided in the CPB faceplate callout 1 i
99. ize paper documents ranging in size from 148 5 by 210 0 mm 5 9 by 8 3 inches to 215 9 by 355 6 mm 8 5 by 14 0 inches documents ranging in weight from 50 to 105 g m 16 to 28lb documents that are free of tears or perforations documents that are square or rectangular and in good condition not fragile or worn documents that are free of glue correction fluid wet ink sticky notes tape flags staples or paper clips Do not use multipart forms The ADF transports the original document through the ADF paper path Copies made using the ADF are delivered to the output bin beneath the scan unit General guidelines for using the ADF unit Using the ADF The source documents must be placed in the ADF input with the side you intend to copy facing up 1 Before placing documents in the ADF prepare the documents by doing the following e flatten curls or wrinkles e remove staples paper clips sticky notes and similar materials Place documents in the ADF input tray On the control panel select the sending or copying options you want to use See the Walk up copying and Sending to e mail sections in the use guide for information about these functions After making your selections press START Copies are sent to the output bin beneath the scan unit When the scan is complete remove the original document from the ADF output C9148 90909 Using the glass Figure 7 C9148 90909 You can also use the digit
100. late callout 1 in a high light environment It might be necessary to turn off some lights or remove the faceplate to see the LEDs Figure 88 Copy processor board LEDs 124 Troubleshooting C9148 90909 LED pattern LJ4100mfp and LJ4101mfp only Control panel display Table 19 Troubleshooting copy processor board LEDs MFP functionality Action OFF OFF OFF OFF None no power e Print a configuration page no 1 Verify the MFP power is turned on e Copy from the ADF or glass no see Basic troubleshooting on e Send digital sending no page 114 and Power on defects on page 116 2 Verify that the MFP is plugged into a working power source OFF OFF OFF OFF Alternates between Power Select OK then attempt to 1 Reseat the CPB and Check Cables And Cycle Power e Print a configuration page no e Copy from the ADF or glass no e Send digital sending no 2 Turn the MFP power off then back on again 3 Verify that the scan unit power supply is functional see Power supply on page 63 and Power on defects on page 116 ON OFF ON ON Flashing READY POWERSAVE ON or PAUSED e Print a configuration page yes Copy from the ADF or glass yes Send digital sending yes Normal ready state No action required For information about the PAUSED or POWERSAVE ON modes see the hint in Using the control panel on page 30 ON OFF ON OFF Flashing OR OFF OFF
101. lf tapping pan head XB4 7401 207CN Screw M3x8 with washer XA4 1238 000CN Screw M4x12 XA9 0773 000 CN Screw M3x0 5 copy processor board 0515 2908 000CN HP Laserjet 4100 differences The HP LaserJet 4100mfp and the HP LaserJet 4101 mfp are based on the HP 4100 series printer See table 28 for a list of major differences between the HP 4100 series printer and the HP LaserJet 4100 4101mfp products Table 28 HP LaserJet 4100 differences HP LaserJet 4100 HP LaserJet 4100 4101mfp Control cover PCB assembly Not used on the HP 4100 4101mfp products RG5 5372 040CN Not used on the HP 4100 LaserJet series printer Connector PCB RG5 6534 000CN See Top cover assembly on page 150 Not used on the HP 4100 LaserJet series printer Rod RB2 8749 000CN See Top cover assembly on page 150 Not used on the HP 4100 LaserJet series printer Panel cable RG5 6644 000CN See Top cover assembly on page 150 Not used on the HP 4100 LaserJet series printer Spring holder upper RB2 8754 000CN See Top cover assembly on page 150 Not used on the HP 4100 LaserJet series printer Spring holder lower RB2 8755 000CN See Top cover assembly on page 150 Not used on the HP 4100 LaserJet series printer Handle face up RB2 8751 000CN See Covers on page 148 Not used on the HP 4100 LaserJet series printer Cover front assembly RG5 5298 000CN See Covers on page 148 Not used
102. ller Pal q z Figure 33 Remove the ADF pickup roller Hint When replacing the roller verify that the roller gear and drive gear are properly meshed C9148 90909 6 Removal and replacement 75 ADF separation roller 1 Open the ADF cover and remove the roller shield See ADF pickup roller on page 74 2 Slide the roller toward the gear end Gently pry the roller shaft locking tab callout 1 away from the roller Remove the ADF separation roller Figure 34 Remove the ADF separation roller Hint When replacing the roller verify that the roller gear and drive gear are properly meshed 76 Removal and replacement C9148 90909 ADF separation pad 4 2 3 4 Open the ADF cover Press and release two separation locking tabs callout 1 shown already released Rotate the separation pad until it is perpendicular to the product Release the separation pad arms callout 2 by gently pressing them toward the ADF cover Figure 35 Remove the ADF separation pad Note When replacing the separation pad verify that the spring is firmly seated on its pedestal callout 3 Figure 36 Replace the ADF separation pad spring C9148 90909 6 Removal and replacement 77 ADF unit 1 Disconnect the ADF cable callout 1 AA Figure 37 Disconnect the cable 2 Open the ADF unit and lift it straight up and off of the scan unit Figure 38 Remove the ADF unit 78 Removal and replacement C9148 90909 Asse
103. lude in the group and click CREATE GROUP When prompted type a name for the new device group and then click Ok Click UPDATE When prompted for the type of update click UPDATE PRINTERS and then click CONTINUE From the list of HP printers select the printers to be updated or click SELECT ALL Click UPDATE FIRMWARE HP Web JetAdmin sends the selected RFU file to the selected printers C9148 90909 Windows parallel connection local printer Note Download the update from the website http www hp com go l 4100_ firmware and follow the steps below to update the firmware on a non shared local printer Hint The LaserJet 4100mfp series uses a type B parallel cable to connect to a computer s LPT1 port 1 Open a MS DOS command window 2 Type copy b path filename portname at the command prompt e path is the location the RFU file was downloaded to e filename is the name of the RFU file downloaded from the website e portname is the appropriate printer port for example LPT1 3 Press the computer ENT ER key The RFU file is sent to the printer Windows parallel connection network printer Note Download the update from the website http www hp com go Ij4100 firmware and follow the steps below to update the firmware on a network printer 1 Open a MS DOS command window 2 Type copy b path filename sharename printername at the command prompt e path is the location the RFU file was downloaded to e filename is the name of the
104. mblies and covers Control panel door 1 Open the control panel door and remove the print cartridge Cover the print cartridge to keep it out of direct light see the HP LaserJet 4100 series printer service manual for print cartridge information m Figure 39 Remove the print cartridge 2 Press the two tabs callout 1 on the inside of the print cartridge lever to release it 3 Remove one screw callout 2 4 Remove the wire harness plastic cover callout 3 Figure 40 Remove the control panel wire harness cover C9148 90909 6 Removal and replacement 79 5 Remove one screw callout 4 and disconnect the top edge of the grounding strip El dl Figure 41 Disconnect the control panel grounding strip 6 Disconnect the control panel cable connector callout 5 7 Separate the door support pins callout 6 to release them ia Figure 42 Release the control panel door support pins 80 Removal and replacement C9148 90909 Figure 43 Note WARNING Figure 44 C9148 90909 Co Flex the left arm callout 7 to the right inward and move the control panel door toward the right side of the product until the arm releases Slide the control panel door toward the left and remove it from the product a 1 4 fe gt ca Remove the control panel door Step 9 is essential The MFP must retain the original serial and model number label panel The control panel in figure 44 is shown in
105. ms CU JU J EJ C9148 90909 Table 33 Glass formatter CPB high speed copy connect cable and power cord RG1 4127 000CN Glass assembly 1 Figure 99 C7844 67901 Formatter assembly 4100mfp and 4101 mfp without hard 2 Figure 99 disk DIMMS or JetDirect card C9168 67911 DIMM firmware formatter DIMM firmware CPB flash Copy processor board CPB with faceplate Power cable jumper scan unit to print unit jumper Note To find the part numbers for a hard disk memory DIMMs JetDirect card or other accessories see Accessories and supplies on page 145 C9148 90909 8 Parts and diagrams 157 ADF unit 1 of 2 Figure 100 C9148 90909 158 Parts and diagrams Table 34 ADF unit 1 of 2 Part Number RG5 6549 000CN C9148 69001 RG5 6579 000CN RB2 8795 000CN ADF unit entire assembly Does not include the ADF input tray RG5 6579 000CN Exchange ADF entire assembly Does not include the ADF input tray RG5 6579 000CN ADF input tray 1 Figure 100 White backboard sheet 2 Figure 100 RB2 8793 000CN Mylar sheet clear 3 Figure 100 RF5 3804 000CN Mylar sh
106. mware Hint Note CAUTION Note C9148 90909 Downloading a remote firmware update The HP LaserJet 4100mfp product supports remote firmware updates RFUs The update is downloaded from the website http www hp com go j4100_ firmware downloading a firmware update is similar to downloading printing system software and printer drivers This website also features an E mail me when new software is available link This feature notifies you by e mail when a new firmware update version is available for the MFP If you used HP WebReg to register your product you are automatically sent an e mail notification when a new firmware update version is available for the MFP The RFU file on the website is a self extracting EXE file Detailed instructions about how to download the RFU file can be found at the website http www hp com go 1j4100 firmware The RFU process consists of three steps e Determine the version of firmware currently installed print a configuration page see Configuration page on page 130 Look for the version information in the device information section of the configuration page e Goto the website http www hp com go l 4100_firmware website and download the update e Install the update For more information about remote firmware updates contact your HP Customer Care Center and ask for a software technical reference sheet see Support on page 144 Installing the update If a firmware update
107. n By pressing the arrow navigation buttons you can shift focus between objects on the control panel display to describe the document to be handled and the actions to be performed A bold border around a graphic object or a reverse video effect in a text list indicates the current focus Use the central SELECT y button to select menus Select TAYA a Move left A D Move right Y Move down Navigation buttons Walk up copy display Use the walk up copy display menu on the control panel display to describe the original document and to specify the actions to be taken and their parameters The primary walk up copy display menu choices are e Describe Original e Copy Settings e Send Options After power is turned on the MFP initializes and the top level menu display appears when the MFP is ready to process jobs Ready 1 Describe Qriginal Copy Settings Send Options Top level control panel menu display The Describe Original menu is used for both digital sending and copying The other menus are addressed in the Walk up copying and Sending to e mail sections in the use guide Status bar The status bar is the uppermost line of available text on the control panel display e The status line shows coli nee laila ads ane user paa When the product is idle this line o To C DPs Or E elas scanning the nie ld cala ing Pas During copying you baa see f ta essiri Eo messages are not communicated on the sta
108. n remove it Pry the top of the grounding strip callout 4 out of the optical unit rail mounting hole 7 Remove the wire harness from the retainer callout 5 and pull the wire harness into the scan unit Lift the fan straight up and remove it from the scan unit F A r Figure 83 Remove the intake fan CAUTION The fan must draw air into the scan unit Failure to correctly position the fan can result in damage to MFP components Verify that the airflow arrow located under the drive belt tension bracket embossed on the fan housing points into the scan unit Verify that the optic unit drive belt tension bracket which sits on top of the fan seats into the slot provided See figure 84 on page 107 Reinstall Note Anytime the glass is removed and replaced calibrate the ADF scan unit See Calibration on page 47 Figure 84 Correctly orient the intake fan and bracket C9148 90909 6 Removal and replacement 107 108 Removal and replacement C9148 90909 I Troubleshooting Troubleshooting process a 111 Preliminary operating checks 112 Installation conditions Aa 112 Media condition oo 112 UNI CON ION cerrara dates WAKAS rats 112 Basic troubleshooting process flow 113 Basic troubleshooting 0 0 00 cece ee eens 114 Power on defects 0 00 cece ee eee eens 116 Troubleshooting with the control panel
109. n the control panel Document detect sensor PS2 The document detect sensor P52 detects the presence of documents when they are placed into the ADF document input tray Leading edge sensor PS1 When a document enters the document transport path it must pass the leading edge sensor PS1 within a specified amount of time If it does not a paper jam message appears on the control panel display ADF motor The ADF motor is controlled by the scanner controller board When the scanner controller receives the scan command the ADF motor rotates counterclockwise which starts rotation of the feed and delivery rollers Document pickup process When the document pickup solenoid is activated the pickup and separations rollers begin to rotate If more than one source document is in the pickup tray the separation roller and separation pad clear the multiple feed and then the first document is sent toward the flatbed Document jams The scanner controller board detects a jam by verifying that each document passes the leading edge sensor in a specified amount of time If a document does not pass by the sensor in time the scanning operation stops A document jam message appears on the control panel display and the user must clear the jam The scanner controller board can detect two types of jams e Document delay jam If the leading edge sensor does not detect the leading edge of the document after the document pickup solenoid is activate
110. n the glass from a previous copy job 7 Troubleshooting 139 Media troubleshooting Media defects can cause jams and image defects If the previously described conditions are corrected and the printing problem is not corrected continue to investigate the media as the source of the defect Problems with print media are sometimes difficult to detect To determine if you are using the correct media type see the Print Media Guide for the HP LaserJet printer family When determining the cause of a MFP failure a distinction must be made between problems that relate to the MFP itself and those that involve print media Often a problem that seems to be related to the MFP is actually a matter of poor print media selection or handling To determine whether a problem is caused by the MFP or by the media try these simple steps to remedy the situation e Turn the media over in the tray to print on the reverse side e Rotate sheets 180 degrees end to end to feed with a different leading edge If the symptoms cease or change in some way assume that the problems are caused by the print media Isolate a paper path Use the straightest paper path Some problems can be avoided by using the straightest available paper path Isolate the source of the jam Define the source of the media that jams Determine where media jams occur Check where media stops when a jam occurs Is the MFP is misfeeding or creating multifeed jams The following are
111. n the replacement control panel 1 Product Information 19 Product overview Front view Figure 2 Product parts front view right side 1 automatic document feeder ADF input with sliding media guides 2 ADF cover lifts for access to the glass 3 control panel door provides access to the print cartridge serial and model numbers are located on a panel underneath the door control panel output bin for printed output and copies Figure 3 Optical unit lock front view left side 6 optical unit lock 20 Product Information C9148 90909 Figure 4 C9148 90909 Back view Product parts back view ADF connector cable straight through output door power connection from power source to print unit hard disk HP JetDirect card memory access door more than one DIMM can be installed power Jumper cable from print unit to scan unit ADF output bin O N O O BO N 1 Product Information 21 22 Product Information C9148 90909 2 Service approach Service approach Major assemblies Contat HP AA Comat HP cosas eras hang World Wide Web HP support assistant CD ROM HP authorized resellers and support HP service agreements 2 Service approach 23 Service approach Repair of the printer normally begins with a three step process 1 Isolate the problem to the major system the host computer the network an
112. na high light environment It might be necessary to turn off some lights or remove the faceplate to see the LEDs The LED patterns an HP LaserJet 4100 4101mfp displays are the opposite of those on the HP LaserJet 9000mfp because of how the CPBs are mounted The CPB is mounted upside down in the HP LaserJet 9000mfp Copy processor board LEDs Table 9 Copy processor board LEDs initialization sequence LED pattern CPB status First stage of CPB initialization ON ON ON ON CPB flash DIMM detected CPB RAM DIMM detected aes might kasi a CPB processor is working efore coming to a soli NE iumiated sate CPB has communication with the ASIC Note If CPB initialization stops and the LEDs stay in the continuously illuminated state a CPB failure has occurred for example a memory DIMM is not present or fully seated To troubleshoot a CPB failure see Troubleshooting with the copy processor board on page 124 5 Theory of operation 59 Table 9 Copy processor board LEDs initialization sequence LED pattern CPB status ON ON OFF ON Communication is established between the MIPS processor and the PCI bridge OFF ON OFF ON Communication is established between the MIPS processor and the FPGA OFF OFF OFF ON The FPGA SRAM is checked OFF OFF OFF OFF Communication is established between the MIPS processor the DSP and the DSP RAM Second stage of CPB initialization LED pattern CPB status OFF OFF OF
113. nd hold down the START button Turn the product power on Continue to hold down the START button until the printer initializes and the three control panel LEDs illuminate continuously Release the START button 3 Press and release the LEFT navigation button The message IHITIALIZE DISKS appears on the control panel display 4 Press and release the SELECT Y button Two rows of asterisks appear on the control panel display 5 When the astericks disappear and the message EFL appears on the control panel display the mfp can process jobs Cold Reset A cold reset clears all data from the printer memory and sets may of the defaults back to the factory settings Before performing hard drive initialization print the following MFP information pages Use these pages to reset any menu settings that the user has changed from factory defaults e Configuration page see Evaluate the information pages on page 130 e File directory page see Evaluate the information pages on page 130 Turn the product off Press and hold down the SELECT Y button Turn the product on bb O N Continue to hold down the SELECT Y button until all three LEDs are illuminated Release the SELECT Y button 5 Press the UP navigation button twice The message Lf RESET will appear on the control panel display display 7 When the cold reset is complete the MFP will restart C9148 90909 4 Maintenance 45 CAUTION 46 Maintenance
114. ng the left most LED when viewed from the back of the MFP flashes and the two right most LEDs are continuously illuminated NO End Figure 85 Basic troubleshooting flowchart C9148 90909 7 Troubleshooting 113 Basic troubleshooting Verify that the conditions in the following lists are met before troubleshooting a specific MFP problem Table 15 Basic troubleshooting Verification steps Is Power On successful When power is turned on the following events take place e The flatbed and printing unit fans start operating The control panel illuminates and the initialization screens appear The CPB LEDs illuminate The optical unit moves to the home position and the scanning lamp illuminates for about 3 seconds Possible problems No power Solutions 1 Verify that the product is plugged in 2 Verify that the power cable is functional and that the power switch is on 3 Verify that the power cord between the print unit and the scan unit is correctly installed and fully seated at both ends See Back view on page 21 4 Perform a print engine test see the HP 4100 series printer service manual for more information 5 Perform the power on checks as instructed in the HP 4100 series printer service manual Is the product ready The control panel should function without error messages and the READY LED should be illuminated The control panel displays an error Cons
115. nit drive belt RH2 5550 000CN Veristor cover in the power supply RB2 8795 000CN White backboard sheet 4 Figure 100 2 Figure 97 6 Figure 96 14 Figure 98 13 Figure 98 5 Figure 99 3 Figure 98 5 Figure 97 11 Figure 97 2 Figure 96 3 Figure 101 4 Figure 101 5 Figure 98 2 Figure 98 1 Figure 101 4 Figure 96 3 Figure 96 2 Figure 101 8 Figure 96 4 Figure 97 11 Figure 98 2 Figure 100 8 Parts and diagrams 163 Numerical parts list Table 37 Numerical parts list Part Number 5969 8660 C7844 67901 C8541 67901 C9147 67920 C9148 40001 C9148 40002 C9148 40003 C9148 40004 C9148 40005 C9148 40006 C9148 40007 C9148 40008 C9148 60102 C9168 67901 RA2 2940 000CN RA2 2943 000CN RA2 2947 000CN RA2 2948 000CN RA2 2949 000CN RA2 2955 000CN RA2 2961 000CN RA2 2964 000CN RB2 8748 000CN RB2 8749 000CN RB2 8751 000CN RB2 8754 000CN RB2 8755 000CN RB2 8757 000CN RB2 8758 000CN RB2 8764 000CN RB2 8769 0000CN RB2 8781 000CN RB2 8793 000CN RB2 8795 000CN RF1 4169 000CN RF5 3804 000CN RF5 3808 000CN RG1 4120 000CN RG1 4122 000CN RG1 4123 000CN 164 Parts and diagrams without hard disk DIMMS or JetDirect card DIMM firmware formatter Cover key English Cover key French Cover key Italian Cover key German Cover key Spanish Cover key Dutch Cover key Danish Cover key Finish Power cable jumper scan unit to print unit jumper DIMM firmware CPB flas
116. nit right side cover 0 0 ces 82 Copy processor board 1 ee eee 83 Scan unit left side cover ce ees 84 Intake fan filler 2 ee eee 86 MOA AA ach weed ee eo we wre eB ee ee a 87 SC UMIb s 4 64 ONU one AA 89 Printing unit top cover lt a644ceveened eee Veet od eo aoe eae oe 91 COS a GA ADA Gens ate ewe ae eee oe HAPO Reese ee a 92 Scanning lamp naaa anana aaa 93 Optical UNI iu 2530 ZARA KA prices nn A 95 ADF door open sensor PS10 2 ce eee 98 Optical unit drive gear motor assembly 99 Scan unit power Supply 20 0 0 ee eee 101 Inverter PCB 0 eee eee 103 Scanner controller PCB naaa aa 104 take 1AM PP Eo 106 C9148 90909 Table of contents 5 7 Troubleshooting Troubleshooting process a 111 Preliminary operating checks 0 eee ees 112 Installation conditions ooooococoono ee 112 Media Condition o oooooooooon ee eee 112 Unit Condition 1 eee nes 112 Basic troubleshooting process flow 113 Basic troubleshooting 0 0 cece eee eens 114 Power on defects 0 eee eee eens 116 Troubleshooting with the control panel 117 Control panel display o o oooooooooonnor ees 117 10 AA AA 117 Print the event log ooooocooocoonnna ees 117 Interpret the event log oo ooooooonoonoo noo 118 Display the event l
117. o not to touch the transfer roller the black rubber roller located underneath the print cartridge Skin oils on the roller can affect print quality Table 6 General cleaning guidelines Cleaning interval Solvent Covers Clean when visibly dirty Soft tight weave lint free 8 Water add a mild detergent if desired See caution below Control panel Clean when dusty or when Soft tight weave lint free Water See caution below fingerprints build up ADF rollers Clean if the user is experiencing Soft tight weave lint free Water See caution below misfeeds or multipage feeds or if documents are skewing when traveling through the ADF Clean when visibly dirty or if the Soft tight weave lint free Ammonia based cleaner or user is experiencing poor copy water See caution below quality such as blurriness or streaking Whiteboard cover white vinyl Clean when visibly dirty Soft tight weave lint free Ammonia based cleaner or backing located on the bottom water See caution below of the ADF cover Clear mylar sheet ADF Clean when visibly dirty or if the Soft tight weave lint free Water See caution below delivery guide user is experiencing poor copy quality such as blurriness or streaking CAUTION To prevent damage do not pour or spray cleaning solvents directly onto MFP components Spray water or cleaning solvent onto a cloth and wipe down components that need cleaning Because some
118. ocessing When the copy processor board CPB receives a scan command from the control panel it sends the command to the scanner controller board which initiates and controls the scanning process These main components are used in the scanning process e scanner controller board controls the scanning process and communication with the CPB automatic document feeder ADF transports the source document optical unit holds the scanning lamp and charged couple device CCD scanning lamp exposes the document charged couple device CCD driver PCB converts reflected light to digital RGB signals for final output Document transportation process The ADF receives a signal from the scanner control PCB and begins to transport the document A sensor in the ADF detects the document in the input tray The ADF picks up the document Then the document travels through the ADF toward the flatbed A second sensor in the ADF confirms that the document was successfully transported through the ADF After the scanning process the document is transported to the ADF output Document exposure system e The source document is loaded through the ADF After receiving the scan command from the copy processor board the scanner controller board sends a signal to the scanning lamp in the optical unit The lamp illuminates the document as the ADF passes the document past the optical unit the optical unit does not move A calibration strip mounted under the
119. og o 119 Control panel messages AA 120 Troubleshooting with the copy processor board 124 User level and service level diagnostics 126 ADF paper path test oo 126 To print a paper path test 0 AA 126 Diagnostic tesi sepsis ra ii reiti aeia a dines 126 To perform a diagnostic test o oooooooooooooo 126 Service level diagnostics 1 0 eee eee 127 Service MENU occ 127 To access the service menu PIN code 04410002 127 Jam troubleshooting n n aana aaa ee ees 128 Ja sesiones a DAG ad ai 128 Clearing repeated ADF jams 0 0 00 cee eee eee 129 Creating a customer print job 0 0 00 ee ee 129 Evaluate the information pages 2 0 0 cece eee 130 Configuration page eee 130 Configuration page elements a 130 JetDirect page a 132 JetDirect page elements a 132 Supplies status page a 133 Supplies page elements 0 133 Usage pag AA 134 File directory page a 135 File directory page elements eee 135 Image formation troubleshooting 0000 cee eee eee 136 Checking the print cartridge 00 0A 137 ECOMOMOCG 24442205 mGA 5h 4005656450604 carnero 137 Image defect tables 00 0a 138 Media troubleshooting cece eee eee eee 140 Isolate a paper p
120. on the HP 4100 LaserJet series printer Cover key C9148 4000X See Covers on page 148 146 Parts and diagrams C9148 90909 How to use the parts lists and diagrams CAUTION C9148 90909 The figures in this chapter illustrate the major subassemblies in the MFP and their component parts A table part number list follows each exploded assembly diagram Each table lists the reference designator the associated part number for the item and a description of the part Parts that have no reference designator or part number are not field replaceable units FRUs and cannot be ordered While looking for a MFP electrical component part number pay careful attention to the voltage listed in the description column to ensure that the component part number selected is for the correct model of the printer 8 Parts and diagrams 147 Parts lists and diagrams Covers Figure 95 C9148 90909 148 Parts and diagrams Table 29 Covers Part Number Description Reference RB2 8751 000CN Handle face up 1 Figure 95 RB2 8757 000CN Cover side left 2 Figure 95 RB2 8758 000CN Cover side right 3 Figure 95 C9148 40001 Cover key English 4 Figure 95 C9148 40002 Cover key French C9148 40003 Cover key Italian C9148 40004 Cover key German C9148 40005 Cover key Spanish C9148 40006 Cover key Dutch C9148 40007 Cover key Danish C9148 40008 Cover key Finish RG5 5298 000CN Cover front assembly 5 Figure 95 C91
121. optical unit C9148 90909 6 Removal and replacement 97 ADF door open sensor PS10 Remove the glass See Glass on page 92 Unplug one connector callout 1 Remove one screw callout 2 bb O N Lift the ADF door sensor up and remove it from the product TA J A pessos T i aA J i Hin _ e kz e xa Figure 73 Remove the ADF door open sensor Reinstall Note When replacing the glass verify that the sensor switch pin freely moves in the hole through the glass mounting frame Anytime the glass is removed and replaced calibrate the ADF scan unit See Calibration on page 47 98 Removal and replacement C9148 90909 Optical unit drive gear motor assembly 1 Remove the following assemblies e glass See Glass on page 92 e optical unit See Optical unit on page 95 2 Release the motor cable callout 1 from the wire lance on the interlock switch and from the two wire harness retainers callout 2 Unplug the connector callout 3 from the scanner controller PCB Remove one screw callout 4 and the cover plate SON yi p NFTTTITIN Pi eea 00606095 G6 6003 asa 600000 LI 600 00 600000 paa 3 RAK DORE e 3 0600000 a oa Figure 74 Remove the optical unit cover plate C9148 90909 6 Removal and replacement 99 5 Remove two screws callout 5 6 Lift the optical unit drive gear motor
122. originals books manuals receipts and similar documents irregular and worn documents stapled documents and photographs multiple page letter size documents C9148 90909 Model and serial numbers Figure 1 Note C9148 90909 The model number and serial number are listed on an identification label located underneath the control panel door The serial number contains information about the country region of origin product revision level production code and production number of the product The label also contains power rating and regulatory information 0 f HEWLETT PACKARD Tested To Comply LISTED ip 11311 CHINDEN BLVD LTE BOISE IDAHO 83714 U S A With FCC Standards 53Z0 rere FOR HOME OR OFFICE USE US 100 127V AC 50 60 Hz 6 4A 6 4A This product conforms with CDRH radiation performance standard 21 Numero de Mod le Fabrique le CFR chapter 1 sub chapter J Serial No jpbcd12345 Manufactured Conforme a la Classe B des normes INV AMT AY Canadionnes de compar letromagn tiques lt lt CEM gt gt Complies with Canadian EMC Serial No jpbcd12345 Class B requirements ATCT RTA AT A CE Assembled in USA printer engine Made in Japan Assembl aux Etats Unis moteur de l imprimante fabriqu au Japon SITE CVI SPETe Numero de S rie Model and serial number label If the control panel fails the model and serial number label panel must be removed see Conirol panel door on page 79 and installed o
123. ot hinder the optical unit movements see Optical unit on page 95 4 Check for loose connectors and frayed or pinched wires Reseat the optical unit connector at scanner control PCB location J1207 see Scanner controller board connectors on page 62 5 Replace the scan unit optical unit gear motor assembly An Application specific integrated 1 Turn the power off circuit ASIC has failed on the 2 Reseat the scanner controller board scanner control board Turn the power on If the error message persists replace the scanner controller board 122 Troubleshooting C9148 90909 Table 18 Control panel error messages continued Explanation Recommended action The scanning lamp does not 1 Verify that the scanning lamp briefly illuminate Inverter PCB or illuminates when the product s power is scanning lamp failure turned on open the flatbed cover to view the lamp and then turn the power on Or Use the control panel diagnostic menu to test the lamp See light source test in Diagnostic tests on page 126 2 Verify that the scanning lamp fuse located on the Inverter PCB is not open see Inverter PCB on page 103 3 Check for loose connectors and frayed or pinched wires Reseat the inverter connector at inverter PCB location CN2 and at scanner PCB location J1202 see Scanner controller board connectors on page 62 4 Replace the scanning lamp with a known functioning lamp If the problem
124. oting o oooooooooooo 136 Checking the print cartridge o oooooooooooo 137 ECONOMOdGs esas ri oa 137 Image defect tables 0 00 cc eee 138 Media troubleshooting 0 00 cece eee eee eee 140 Isolate a paper path 0 0 0 cece 140 Use the straightest paper path 140 Isolate the source of the Jam o o oo ooooooooooo 140 C9148 90909 7 Troubleshooting 109 Determine where media jams occur Is the MFP is misfeeding or creating multifeed jams 141 Isolate a media brand cc eens Isolate a media type a WIN MAGkaMmSin a Nok iaa arriba 110 Troubleshooting C9148 90909 Troubleshooting process The troubleshooting process is a systematic approach that addresses the primary problems first and then other problems to discover the causes for MFP malfunctions and errors The Basic troubleshooting process flow on page 113 illustrates the primary steps for troubleshooting An answer to a troubleshooting question allows troubleshooting to proceed to the next primary step When answers indicate that additional testing and correction is needed go to the appropriate section in this chapter and follow the directions there After completing the additional testing and correcting the problem proceed to the next primary step Note Always follow this process in sequence Failure to do so can result in increased repair time difficulty an
125. pe Revd Auto Negotiation ON Unknown EN II 7513 Manufacturing ID 22014150902201 00062640 EN 802 2 49472 Date Manufactured 11 2002 Unknown EN SNAP 3256 Unknown EN 802 3 41109 Security Settings Novell Netware Admin Password Not Specified Status 16 SSL TLS Disabled Not Configured Cert Expires Not Applicable Node Name NPI5E2513 SNMP Versions 12 SNMP Set Cmty Name Not Specified NetWare Mode Queue Server Access Llst Not Specified NDS Tree Name er NDS Context Network Statistics Total Packets Received 339163 Unicast Packets Received 7095 O Aitached Server Bad Packets Maceived ja SAP Interval 60 seconds Framing Errors Received 0 Total Packets Transmitted 106942 Unsendable Packets 0 Transmit Collisions BR Apple Talk mia Transmit Late Collisions 0 Status Ready Name HP laserJet 4100 MFP6 OS TCP IP NetWare Mode bi Status Ready Zone HP LaserJet HostName NPI5E2513 Ipa in LaserWriter ype 2 65281 IP Address 00 00 00 00 Network Number 19 Subnet Mask 000 000 000 0 N de Number Default Gateway 00 00 00 0 j Config By DHCP DHOP Server 0 0 0 0 ers PEO Ce Da TFTP Server 00 0 00 0 Config File Not Specified Status Ready Domain Name hp com DNS Server 00 00 000 0 WINS Server 00 0 00 00 Syslog Server Not Specified Idle timeout 270 seconds Web JetAdmin URL Not Specified Figure 90 Sample Je
126. persists proceed to the next step 5 Replace the inverter PCB The copy processor board has 1 Turn the power off and then back on experienced a processing error 2 If the error message persists replace the copy processor board 3 Verify that the copy processor board LEDs are illuminated See the table in Troubleshooting with the copy processor board on page 124 ADF document detect sensor 1 Verify that the source documents are ass PS2 did not detect a documentin properly inserted in the ADF appears when the ADF input tray 2 Verify that no media has jammed in the attempting to use ADF document path see Document the ADF if you jams on page 68 press the start 3 Verify that the document detect sensor button and the ADF flag is not damaged and that it moves document detect freely see ADF components on sensor S1 does page 56 not detect a source 4 Use the control panel diagnostic menu document the MFP to test the sensor See Diagnostic tests attempts to scan on page 126 from the glass 5 Verify that the ADF serial cable is securely connected to the copy processor board see Back view on page 21 6 Verify that the document detect sensor flag is not damaged and that it moves freely see ADF components on page 56 7 Replace the ADF unit see ADF unit on page 78 C9148 90909 7 Troubleshooting 123 Troubleshooting with the copy processor board The table in this section
127. pying capability easy to use copy functionality document collation multiple copies multiple pages per sheet n up document reduction and enlargement e ADF 25 percent to 200 percent in one percent increments in ten percent increments when the REDUCE or ENLARGE button is held down e Flatbed glass 25 percent to 400 percent in one percent increments in ten percent increments when the REDUCE or ENLARGE button is held down automatic page to page enlargement or reduction image quality improvement through background removal best quality mode and contrast adjustment 1 Product Information 15 Expandable design e stackable 500 sheet trays up to two additional trays can be added to the HP LaserJet 4100mfp and one additional tray can be added to the HP LaserJet 4101mfp duplex printing accessory standard with the HP LaserJet 4101mfp HP Fast InfraRed printing adapter FIR port digital sending service software standard with the HP LaserJet 4101mfp expandable memory through installation of additional dual inline memory modules DIMMs Product specifications Table 1 Physical specifications 4100mfp print unit scan unit and ADF unit Height 637 mm 25 1 inches Width 805 mm 31 7 inches Weight 26 kg 56 5 pounds Scan unit only Height 140 mm 5 6 inches Depth 540 mm 21 6 inches Width 415 mm 16 6 inches Weight approximately 5 kg 11 1 pounds ADF unit only Height 152 mm
128. r strip See Cleaning the product on BoCcAa page 36 BoCcAa ADF unit and or scan unit is e Calibrate the scan unit See BbCcAa improperly calibrated Calibration on page 47 and or Performing manual calibration on BoCcAa page 48 Deformed pickup roller e Replace the deformed roller See ADF pickup roller on page 74 Foreign substances are deposited e Clean the pickup roller flatbed on the pickup roller If the problem persists replace the pickup roller See ADF pickup roller on page 74 Defective optical unit CCD driver e Replace the optical unit See Optical unit on page 95 Scars on the mirrors or lens inthe e Replace the flatbed optical unit See flatbed optical unit Optical unit on page 95 Image shifted Image is shifted vertically e Calibrate the scan unit See horizontally or both ways on the Calibration on page 47 page Scan unit is improperly calibrated Image skips Image shifts on the page or starts je Verify that the ADF document detect and stops at irregular intervals sensor PS2 and leading edge sensor PS1 flags move freely See AaBbC Ce Document detect sensor PS2 on AdaBbCc page 68 Leading edge sensor PS1 AaBoCc on page 68 and ADF components on page 56 AGRBNCC pag Unexpected image Unexpected images when using the le Verify that there is not any media left C9148 90909 ADF to make copies o
129. r board connectors shield off 62 Power supply block diagram 2 00 ce ee ees 64 Optical unit block diagram 2 ee ee eee 65 SCANNING Procede ds win anes Sew et some baa Ah anang 65 Signal CONVERSION dass is Cad eds cee eile AA a tee a A 66 Document transport path 0 0 0 eens 67 Release the ADF input tray hinge 0 0 eee 73 Remove the ADF input tray 0 ccc eee eee 73 Release the roller Shield 0 0 0 0 0 ccc ee eens 74 Remove the roller shield ccc ee eens 74 Remove the ADF pickup roller 0 0 00 cece eee 75 Remove the ADF separation roller o o oooooooonoonoooo 76 Remove the ADF separation pad o ooocoococonoo eee 77 Replace the ADF separation pad spring cee eee 77 Disconnect the Cables coo bind tie dew ddr wt whl io hd 78 Remove ne ADF UNN ss rra ia RE eee NG 78 Remove the print cartridge scudo Cala Be ee 79 Remove the control panel wire harness cover 79 Disconnect the control panel grounding strip 0 0 00 cee eee eee 80 Release the control panel door support pins 0 0000 a 80 Remove the control panel door a naana 0 ccc eee 81 Remove the product serial and model number panel 81 Remove the right side cover SCreW 6 non 82 Remove the scan unity right side cover cee ee eee 82 Disconnect ihe ADF Cables ice AI ee bs
130. rage to verify quality printing results Then if problems arise storage or handling conditions can isolate the most likely cause Some types of media that might cause problems are adhesive labels envelopes transparencies preprinted forms and letterhead embossed media perforated paper chemically treated paper synthetic paper coated paper other special media 7 Troubleshooting 141 Wiring diagrams ee ee a ZL an o l a L6 A I o e 5 Gls 5 31210 FJT403 sa E E 3 3V 5 ly 3 3v 5 2 s S SGNDL 4 2 SGND 2 gt HA 8 z REMOTE 3 34 REMOTE a TJ Q 5 SGNDL5 SGND _ oO Ko gt 5V 5 5V O O A 3 Y ma H l EF l l l ajo oon co E o S ae eee g R g I i i l 2 I 18 w i 1208 J1g02 E GND g 5 AD0 J1209 1302 27 2 l o 4 AD1 GND 33v be 3 3V 5 bs lg 3 3v 61 1 6 l AD2 3 3V 3 l GND 33v H 3 3V 71 7 l i 9 GND 33v 6 3 3V 9 Ha 8 1 AD4 3 3V 3 3V tod 6 I AD5 GND GND tH kr f 1 o 6 GND GND 9 GND 12 Ha i 5 AD6 DCLK HH DCLK 31 13 l o
131. rce document was not picked Inspect the ADF pickup and separation up when attempting to feed multiple rollers for damage See ADF documents components on page 56 Clean the rollers if dirty See Cleaning the product on page 36 Horizontal lines Dirty glass whiteboard cover ADF Clean the glass whiteboard cover delivery guide clear mylar strip and or ADF delivery guide See Cleaning the product on page 36 ADF unit and or scan unit is Calibrate the scan unit See improperly calibrated Calibration on page 47 and or Performing manual calibration on page 48 138 Troubleshooting C9148 90909 Table 23 Image defects continued Problem Page skew Condition The ADF unit or scan unit needs to be calibrated Solution Calibrate the scan unit See Calibration on page 47 and or Performing manual calibration on page 48 ADF input tray guides are not e Verify that the ADF guides are not properly adjusted adjusted to tightly against the media or to loosely and separate from the media ADF paper delivery guide clear e Clean the ADF paper delivery guide mylar strip is dirty See Cleaning the ADF delivery guide clear mylar strip on page 37 Vertical lines Dirty glass whiteboard cover ADF je Clean the glass whiteboard cover delivery guide clear mylar strip and or ADF delivery guide clear myla
132. rienced The service menu is used by HP authorized service representatives only and is protected by an eight digit personal identification number PIN See Service menu on page 127 The service menu can be used to verify the serial number of the MFP unit C9148 90909 Menu map The menu map is a graphical representation of the MFP menus Press the MENU button on the control panel to gain access to the main menu display For more information about navigating the menus see Navigation on page 31 Note Default settings shown in bold PAUSE RESUME RETRIEVE JOB Print Print Print Print INFORMATION Menu Configuration Supply Usage Map Page Status Page Print File Directory Tray 1 Tray 1 Tray 1 Tray 2 Tray 2 Fuser PAPER HANDLING Mode Size Type Size Type Modes REFLECTS Cassette SIZES TYPES USER INSTALLED TYPES Normal First Only displays Only displays TRAY High 1 if tray 1 mode if tray 1 mode Plain Low is cassette is cassette Preprinted High2 Letterhead Any Plain Transparency Custom Preprinted Prepunched Letter Letterhead Labels A4 Transparency Bond Legal Prepunched Recycled Executive Labels Color JISB4 Bond Cardstock A5 Recycled Rough 16K Color Jexecutive Cardstock ISOB5 Rough Com10 Envelope Monarch Env C5 Env DL Env B5 Env Figure 11 MFP menu map 1 of 2 C9148 90909 3 Operation 33 Menu map continued Y
133. rmation Or http www hp com hps parts HP provides free telephone support during the product warranty period When you call you will be connected to a responsive team waiting to help you For the number you should call in your country or region see the support sheet that came in the box with your product Before calling have the following information available e Product name for example HP LaserJet 4101mfp e Product serial number found on the underside of the control panel door on the HP 4100 4101 mfp series printers e The date of purchase of your product and a description of the problem you are experiencing Test your software installation Attempt to print a test page from your software program Try reinstalling the software If reinstalling the software does not correct the problem see the Readme file on the CD ROM that came with your product Or call the phone number for your country or region listed on the support sheet that came in the box with your product You can also find answers to frequently asked questions at the following websites o htpp www hp com support l 4100mftp or eo htpp www hp com support I 4101mfp 144 Parts and diagrams C9148 90909 Hint C9148 90909 Accessories The following items are available through your local authorized HP dealer To find a dealer near you call the HP Customer Information Center at 1 800 752 0900 Optional 2 MB and 4 MB Flash DIMMs are available for the
134. rmware version maintenance interval setting three most recent entries in the event log total memory installed installed options and other useful information about the MFP product The configuration page contains information about the following attributes A Device information Event log Installed personalities and options Memory Security TmooW Paper trays and options Hint Adding the digital sending capability to the MFP changes the layout of the configuration page from the sample used in this manual 130 Troubleshooting C9148 90909 CPB firmware LA lash DIMM hp LaserJet 4100mfp series nio This might not change when a remote firmware update is installed Device Information Memory Product Name HP LaserJet 4100 MFP O Total Memory 64 MB O Device Name HP LaserJet 4100 MFP DWS 13 98 Formatter Product Number 7 Automatic Resource Saving Enabled Formatter Number S46XXXXXXXX firmware print Device Serial Number XXXXXXXXXX engine version CPB 1 81 6 0 SCB MFP200 22 located on the Firmware Datecode 02 14 2002 02 050 5 h ard disk PS Wait Time Out 300 Seconds Page Count 55 This changes Preventive Maintenance Interval 200000 Pages Since Last Maintenance 20 when a remote firmware update is successfully installed Event Log Security Number of Entries in Use 2 Control Panel Lock NONE Maximum Number of Entries 50 O Control Panel Password DISABLED Three Most Recent Entries Write Protect DISABLED
135. rning is not followed severe injury can result Certain functional checks during troubleshooting must be performed with power supplied to the product However the power supply should be disconnected during removal The power cord mustbe unplugged from the wall receptacle Unplugging the cord from the back of the print unit does not prevent AC power from going to the scan unit See Back view on page 21 CAUTION The product contains components that are sensitive to electrostatic discharge ESD Always A perform service work at an ESD protected workstation If an ESD protected workstation is not available discharge body static by grasping the print engine chassis before touching an ESD ESD sensitive component Ground the print engine chassis before servicing the product Required tools e 2 Phillips screwdriver with magnetic tip eo small flatblade screwdriver e needle nose pliers e ESD mat if available e penlight optional CAUTION A PoziDriv screwdriver will damage screw heads on the product Use a 2 Phillips screwdriver Hint To install a self tapping screw first turn it counterclockwise to align it with the existing thread pattern then carefully turn it clockwise to tighten Do not overtighten Before performing service If possible print a configuration page See Configuration page on page 130 Remove all media from the product Unplug the power cord from the wall receptacle Unplugging the cord from the back of
136. rror messages communicate to the operator that some action must be performed such as adding paper or clearing a jam e Critical error messages Critical error messages communicate MFP failures to the operator If the control panel display is blank or messages appear garbled see Basic troubleshooting on page 114 Table 18 Control panel error messages Message Explanation Recommended action Too many pages have been placed 1 Remove some of the pages and try the in the ADF operation again If necessary open the The ADF separation pad or roller ADF cover and remove any jammed is dirty damaged or not properly media and then close the ADF cover installed 2 Verify that the document detect sensor PS2 and leading edge sensor PS1 flags can freely move see ADF unit components on page 56 3 Verify that the ADF separation pad and roller are clean in good condition and properly installed see Cleaning the product on page 36 ADF separation roller on page 76 and ADF separation pad on page 77 A page has jammed inside the 1 Raise the ADF cover and remove the ADF and must be cleared before jammed media and then lower the ADF copying can continue tray 2 Refer to steps for clearing an ADF misfeed error 3 Verify that the ADF paper delivery guide is clean and its clear plastic sheet properly installed see Cleaning the ADF delivery guide clear mylar strip on page 37 The auto cal
137. rsistent image formation problems Table 22 Image quality checks Image quality checks Is the print cartridge full and is it manufactured by HP Action Checking the print cartridge on page 137 Is the customer using print media that meets all HP specifications Media troubleshooting on page 140 Is the print sample similar to those in the image defect tables Image formation troubleshooting on page 136 Does the media meet HP standards 136 Troubleshooting To determine if you are using the correct media type see the Print Media Guide for the HP LaserJet printer family C9148 90909 Hint Note C9148 90909 Checking the print cartridge Image formation defects are often the result of problems with the print cartridge Use the following list to verify that the print cartridge is still operating correctly If toner gets on your clothing while you are handling the print cartridge wipe it off with a dry cloth and then wash the clothing in cold water Perform all of the following checks before replacing the print cartridge e Verify that the print cartridge has toner e 6000 page capacity full print cartridge weight is about 1343 grams 47 4 oz e 10 000 page capacity full print cartridge weight is about 1490 grams 52 59 oz e 6000 page capacity empty print cartridge weight is about 1105 grams 39 0 oz e 10 000 page capacity empty print cartridge weight is about 1110 grams
138. rvice agreements 25 approach 24 HP LaserJet 4000 comparison 146 manuals 14 menu 32 127 removing and replacing parts 70 72 tools required 70 user replaceable parts 39 settings default firmware updates 41 menu map 33 restoring 30 size specifications media 18 MFP 16 skew specifications 17 troubleshooting 128 139 software digital sending 14 145 downloading 25 troubleshooting 144 space requirements 16 specifications features 15 media 15 18 physical 16 skew 17 speed specifications 15 16 SRAM copy processor board operations 57 part numbers 145 Start key 30 static protection 70 stationary jams 68 status bar control panel 31 messages 120 page supplies 133 Stop key 30 straight through output door 21 supplies status page 133 support 25 144 T technical support 25 144 telephone numbers 25 144 tests 126 theory of operations See operations toner cartridge See print cartridge tools required 70 top cover diagram 150 part numbers 151 removing 91 training HP 144 145 trays adding 16 ADF input removing 73 capacity 15 included 14 part numbers 145 Index 171 troubleshooting basic steps 111 114 configuration page 130 control panel 114 116 copy processor board CPB 121 124 copying 115 diagnostics 126 error messages 120 file directory page 135 firmware updates 44 119 flowchart 113 image quality 136 138 information pages 114 130 installation environment 112 inverter PCB 123 jams 12
139. s This section describes the individual MFP components and their roles in the scanning process Figure 18 illustrates the relationship between the MFP components Figure 19 illustrates the flatbed assembly component locations Figure 20 illustrates the ADF unit component locations The following components are identified e scanner controller board e power supply e CPU eo flatbed intake fan e fan motor drive circuit e intermediate PCB e ADF drive motor circuit e ADF cover open sensor e optical unit motor circuit PS10 optical unit home position ADF unit sensor P11201 e document detect sensor e optical unit PS2 scanner motor e document leading edge sensor PS1 e ADF drive motor e inverter PCB e scanning lamp l e pickup solenoid e CCD driver PCB The block diagram below illustrates the relationship among the MFP components Optical Scan Unit Scan Head Scanner A CCD Drive PCA Controller PCB Copier lt P Processor High Speed Copy Connect Cable Fan Motor Intake Flatbed Fan Drive Circuitry PS1 Document f Detect Sensor ADF Drive Motor Circuitry gt PS2 Leading Edge Sensor lt O QA Q O po cob Sa Pickup Solenoid ADF Drive Motor Inverter PCA Scanning Lamp Optical Unit Motor Home Position Sensor P1 1201 Control Panel PS10 Flatbed Door Open Sensor AC Figure 18 MFP block diagram 54 Theory of operation C9148 90909 F
140. s See trays troubleshooting 112 140 memory access door locating 21 configuration page 130 copy processor board components 57 included 14 part numbers 145 menus control panel 32 33 service 127 messages control panel 120 event log 117 firmware updates 44 language settings 117 MFP defined 14 MIPS processor operations 57 60 misfeeds 128 140 model comparison 14 146 model number 19 motors operations 61 optical unit removing 99 testing 126 voltage 63 multifeeds 128 140 multifunction printer MFP defined 14 Index 169 mylar strip cleaning 36 37 N networks firmware updates 42 43 numbers part alphabetical list 162 numerical list 164 NVRAM initialization 46 O operations ADF document feed system 67 component diagrams 54 copy processor board CPB 57 image processing 58 intermediate PCB 63 motor circuits 61 optical unit 65 overview 52 power supply 63 scanner controller board 61 optical unit components 54 55 connectors 62 drive belt tension 138 drive gear motor assembly removing 99 lock 20 motor circuit 61 operations 52 65 reinstalling 97 removing 95 troubleshooting 122 voltage 63 ordering parts 144 output bin 20 output door straight through 21 output quality specifications 15 16 troubleshooting 136 138 overcurrent protection 63 p pages per minute ppm 15 16 paper capacity 15 HP part numbers 145 jams 68 128 misfeeds 140 sizes supported 18 trays See trays troubleshooting 11
141. s Egge G HER Range 0 25 appears on the control panel display Use the numeric lapad to oe a va ma fines sido oe adjustment Entering a lower value than current setting moves the image away from the left edge toward the right side of the page Entering a higher value than the current setting moves the image toward the left edge of the page Press the SELECT Y button to save the setting 7 Use the glass to scan a source document use the calibration target page if you have already automatically calibrated the MFP Verify that the image is correctly positioned on the output copy C9148 90909 5 Theory of operation alice a rs at oe ec ares bec eh eee de Oe ae ee Se eee ee ene ae 52 APA ee ee 52 Document transportation process 52 Document exposure system ee 52 Light conversion process o oooooco ees 53 General descriptions a 54 Scan unit components 2 0 0 0 ee eee 55 ADF components a 96 Copy processor board 0 ee eee 57 CPB terminology 0 0 0 ee eee 57 Typical scanning process flO0W o oooooooo o 58 Copy processor board LEDS oo o oooooooo o 59 Scanner controller board ooooooocoooooooo oo 61 ADF motor circuit aa 61 Optical unit motor circuit ooooocoooooooooooo oo 61 Scan unit intake fan motor circuit o o oooooooo 61 Scanner controller board connectors
142. sizes and weights for the ADF 18 General cleaning guidelineS o o ooooooornnorn noo 36 User replaceable pans a a maa NA eae eke eek eee anG Ke 39 Print unit maintenance kit parts naa 40 Copy processor board LEDs initialization sequence 59 Scanner controller board connectors eee 62 Low voltage components Ha ie LK AK MAN ae hae a Ec NA 63 Common fasteners found in the MFP o 71 Parts removal tree aaa dsd de do Soe 72 Primary steps for troubleshooting 0 0 0 aa 111 Basic WOUDIESHOOUNCL dolia ts la atada Bites a edi ant 114 Power MaAllUNGIONS aa a NEA 116 Firmware update event log errors www eee 119 Control panel error messages 0 cc eee eens 120 Troubleshooting copy processor board LEDs 125 SEVICE MENU oa Sat sit e es 127 General ADF jam troubleshooting ee eee eee 128 AGS QUAINY COCKS re seat ob sail x KA das esate Baal a 136 VAG SST OCS oss aks ci wl tek oats kala ap ees he ae ene a hele we 138 Technical support websites 0 0 0 cc eee tenes 144 Accessories and supplies Dad ata rd died dd 145 COMSU MAIS Sas ea ria bara aaa depa 145 screws used in the ADF unit and scan unit 0 0000 146 HP LaserJet 4100 differences a 146 COVES sn datada Bde hee td at tad Uhd Dm Ah haha 149 Top cover assembly ci barca Ka a A A AA a NAL 151 e A AA a ALINA oh tes a
143. stallation messages o ooooooooononooo 41 Using HP Web JetAdmin single update 42 Using HP Web JetAdmin multiple or unattended update 42 Windows parallel connection local printer 43 Windows parallel connection network printer 43 Troubleshooting RFU installation o o ooooo 44 RFU installation error messages 44 Performing hard drive disk initialization 45 NVRAM initialization aaa 46 A IIA 47 Performing automatic Calibration oo ooooo 47 Performing manual calibration o o o o ooooooooo 48 Lead adjustment for the ADF 48 Center adjustment for the ADF 49 Leading edge adjustment for the glass 49 Side edge adjustment for the glass 50 C9148 90909 4 Maintenance 35 Cleaning the product General guidelines Perform the following cleaning procedures when you change the print cartridge or when print quality problems occur To minimize problems keep the product free from dust and debris WARNING Turn the main power switch off and unplug the MFP power cord before you disconnect any cables or accessories and before you perform preventative maintenance or cleaning Failure to follow this warning can result in serious product damage or personal injury CAUTION While cleaning the product d
144. stalled in the open position so that the label panel screws can be easily seen Remove the control panel and lay it on a flat surface before removing the label panel to keep from dropping the mounting screws into the print unit 9 Remove seven screws callout 8 and remove the panel Reinstall the label panel on the replacement control panel door Remove the product serial and model number panel 6 Removal and replacement 81 Scan unit right side cover Note If a duplex accessory is installed remove it to access the right side cover mounting screw 1 Remove one screw callout 1 from the plastic tab on the scan unit right side cover E Figure 45 Remove the right side cover screw 2 Grasp the plastic tab and pull the cover downward and away from the right side of the product Lift the cover up to release it and then remove it from the product Figure 46 Remove the scan unity right side cover 82 Removal and replacement C9148 90909 Copy processor board 1 Remove the scan unit right side cover See Scan unit right side cover on page 82 2 Unplug the ADF connector cable callout 1 and remove two screws callout 2 2 A i e as lag Figure 47 Disconnect the ADF cables CAUTION Sliding the CPB out without unplugging the high speed copy connect cable callout 3 will damage the cable connector 3 Slide the copy processor board CPB out of the product approximately 2 5 mm 1 inch and disconnect
145. ster scanned images correctly When EAL IBRATE CAHHER is selected from the diagnostic menu the MFP prints a calibration target page Messages appear on the control panel with instructions about automatically calibrating the MFP 1 oa pb O N Press the MENU button Select GI AGHOSTICES Select cul BROTE SCoHHER Select CALIBRATE ue mega ifr Suits ress appears on Hika cial ene Au Press ad START button t to print t the calibration target paga While this page is printing the message Tarset F le Prdivbina To Guits Press appears on the control panel display Note The paper size displayed in the message is the cold reset paper size either letter or A4 6 nee me ice em i Tarde Page le Tr 0d Cles s Start Lo PF appears Nap AA the pi page i in n the ADF and p press s the s START button The E pag IS MONGA rong mee ADE papal Lagi and automatic calibration begins The message calibration running do mot raise rr appears on the control panel display When calibration is over the MFP returns to the ready mode the message RERE appears on the control panel display and can process print and scan jobs Figure 16 Sample calibration target page C9148 90909 4 Maintenance 47 Performing manual calibration Manual calibration provides precise control of image placement Vertical and horizontal image registry for both the ADF and the glass can be set individually For example changing the leading edge adjustm
146. t the formatter is firmly seated in its connector 2 Verify that the high speed copy connect cable is firmly connected at both ends 1 Verify that you are using the correct firmware upgrade version and try upgrading the firmware again 7 Troubleshooting 119 Hint Control panel messages Be sure to read the exact text of the control panel message including the error message number not all error messages display an error number and the text in order to locate the error message in the tables The control panel for this MFP stores enhanced information Not all possible error messages that can appear on the control panel display are listed in table 18 on page 120 If a message appears that is not in this table see the HP LaserJet 4100 series printer service manual for more information about control panel messages The messages displayed on the control panel provide six categories of information Each message category is assigned a priority If two or more conditions occur at the same time the highest priority message appears When it has been cleared the next priority message appears and so on The displayed messages and their priorities are e Status messages Status messages communicate the current state of the MFP to the operator e Warning messages Warnings are messages that are important enough that the user must acknowledge them but not serious enough to make the MFP stop the printing process e Error messages E
147. tDirect page 132 Troubleshooting C9148 90909 Figure 91 C9148 90909 Supplies status page Use the supplies status page to view current printer supply status to help troubleshoot MFP problems or to verify MFP information Supplies page elements A B C D Supplies ordering information Cartridge information Other supplies information Device information O hp LaserJet 4100mfp series road Hewlett Packard Supplies can be ordered on the internet at http www hp com go ordersupplies O by calling Hewlett Packard Please refer to your printer User Manual for the telephone number For highest print quality always use genuine Hewlett Packard LaserJet supplies Cartridge Information Other Supplies Information HP Black TonerGauge 23 HP Maintenance Kit 99 E o O O HP Part Number C8061X Toner Low Reached NO Toner Out Reached NO Estimated Pages Remaining 1023 Based on this printer s historical page coverage of 096 Page Count by Paper Size O Legal 0 A4 Letter Device Information 2095 B5 Executive 0 Envelope 0 Total Printer Page Count 39 Custom Other 1332 Preventive Maintenance Interval 200000 Total Pages Printed 3497 Pages Until Next Maintenance 199990 Number of Jobs Processed 973 Device Serial Number XXXXXXXXXX Cartridge Manufacture Date Cartridge Serial Number iia 1080 Marked as Reordered NO Please return your used HP cartridge to Hewlett Packard For more information see http
148. te es eth Bak eth ee 153 SC abl UI ZO 2 eat ee at eee oe tas eres ee ai cand ere pine Bcd a DA 155 Glass formatter CPB and cables 0 0 00 ccc eee 157 ADFUIT Ol O GA eh one Oe 159 PD UNZ O2 qual o Oak Rit ens een a car se eee She ba EA 161 Alphabetical parts list 220s Seed A SEES Ribs ees 162 Numerical DATS Sto asin Ah agang odds Sin Sencha neigh bd as 164 List of tables 11 12 List of tables C9148 90909 1 Product Information HVOF OCU CHO sis ra des ere or dee AA 14 Product configurations 0 0 cc none 14 HP LaserJet 4100mfp C9148A 0 0 0 0 eee 14 HP LaserJet 4101mfp C9149A ce eee 14 Product features 0 0 ee ee eee eee 15 Product speed and throughput 0 0002 eee eee 15 MAJS dual makan Kea OAS ad Re Oe de RAGS ee wee ee 15 Paper handling 0 0 0 ccc ee eee eee 15 Copying capability 0 0 eee 15 Expandable design cece ees 16 Product specifications 0 0 0 ee eee 16 Media specifications 0 0 a 18 Special considerations for ADF documents 18 Supported media for the glass o o oooooooooo 18 Model and serial numbers a 19 Product overview 0 2 20 HOME VICW AA PARA PP 20 BAC VIEW mama MANG dan AA NA de el oe Rd a 21 C9148 90909 1 Product Information 13 Introduction With the HP LaserJet 4100 series multifunction printer MFP a workgroup can print make copies
149. ter end of the high speed copy connect cable connector callout 3 Figure 54 Slide the formatter cage toward the back of the product C9148 90909 6 Removal and replacement 87 5 Twist the formatter away from the right side of the product and unplug the high speed copy connect cable callout 4 6 Remove the formatter cage Figure 55 Disconnect the formatter high speed copy connect cable Note When replacing the formatter cage align the back of the formatter cage with two large guide pins and then slide it forward 88 Removal and replacement C9148 90909 Figure 56 Figure 57 C9148 90909 Scan unit 1 Remove the following covers and assemblies e ADF unit See ADF unit on page 78 e scan unit right side and left side covers See Scan unit right side cover on page 82 through Scan unit left side cover on page 84 e formatter cage See Formatter cage on page 87 2 Secure the optical unit by sliding the lock to the closed position Secure the optical unit 3 Remove two screws from the CPB and slide the CPB out of the product approximately 2 5 mm 1 inch It is not necessary to remove the CPB from the scan unit 4 Disconnect the CPB cable callout 1 Disconnect the CPB cable 6 Removal and replacement 89 5 Disconnect the scan unit cable callout 2 under the glass 7 A we m IT FOR SALE IN USA n imna D 127VY Bon DIA ALUATION SAMPLE AD
150. the SELECT Y button to save the setting Use the ADF to scan a source document use the calibration target page if you have already automatically calibrated the MFP Verify that the leading edge is correctly positioned on the output copy 48 Maintenance C9148 90909 Hint Hint Hint Hint C9148 90909 Center adjustment for the ADF It might be helpful to reset the product settings to factory defaults before attempting manual calibration Be sure to print a configuration page before doing a setting reset so that any user defined settings can be restored see Configuration page on page 130 Press the MENU button Select imac ica Select CALIBRATE SCANNER Select CENTER ADJUSTMENT oa Bm O N The message e Bdiuslmenl sat RANGE 2470 appears on the control panel display Use nar numeric koradi to ine a valde for hee center adjustment Entering a lower value than current setting moves the image away from the left edge toward the right side of the page Entering a higher value than the current setting moves the image toward the left edge of the page Press the SELECT Y button to save the setting Use the ADF to scan a source document use the calibration target page if you have already automatically calibrated the MFP Verify that the image is correctly positioned on the output copy Leading edge adjustment for the glass It might be helpful to reset the product settings to factory defaults before
151. the glass 92 Removal and replacement C9148 90909 Scanning lamp 1 Remove the glass See Glass on page 92 CAUTION Do not touch the lamp because skin oils can create hot spots Do not touch the mirror because fingerprints will affect print quality 2 Note the cable routing pattern and examine the pink cable where it rests over the cable guide Verify that the cable has a small black mark callout 1 If not make the mark yourself Note When replacing the scanning lamp transfer the black mark onto the replacement bulb cable Position the cable with this mark centered in the cable guide callout 1 This ensures that the cable has sufficient length to allow the optical unit to move to its home position Lay the cable flat in the cable trough Verify that it is not twisted 3 Disconnect the lamp connector callout 2 Note A torroid may be installed on the scanning lamp cable If a torroid is installed remove its single mounting screw before going on to the next step Figure 64 Note the cable routing pattern C9148 90909 6 Removal and replacement 93 Remove the cable from the cable guides and trough callout 4 Hold the black end callout 5 and slide the lamp toward the back of the product in the direction of the arrow j Figure 65 Remove the scanning lamp CAUTION When installing the scanning lamp the wire harness must be properly routed under the harness clips and flat through the harness trough to avoid
152. the high speed copy connect cable callout 3 VA Figure 48 Disconnect the high speed copy connect cable 4 Remove the CPB from the product C9148 90909 6 Removal and replacement 83 Scan unit left side cover Note If a duplex accessory is installed remove it to access the right side cover mounting screw 1 Remove one screw callout 1 from the scan unit left side cover Figure 49 Remove the left side screw 2 Gently pry the rounded top edge of the cover callout 2 with a flatblade screwdriver until you can grasp it Figure 50 Genily pry the top edge of the left side cover 84 Removal and replacement C9148 90909 3 Pull the cover downward and away from the left side of the product Lift the cover up to release it and then remove it from the product Figure 51 Remove the scan unit left side cover C9148 90909 6 Removal and replacement 85 Intake fan filter 1 Remove the scan unit left side cover See Scan unit left side cover on page 84 2 Remove the intake filter callout 1 Figure 52 Remove the intake filter 86 Removal and replacement C9148 90909 Formatter cage 1 Grasp the back edge callout 1 of the formatter cage cover 2 Pull the cover toward the back of the product and remove it tl Figure 53 Remove the formatter cage cover 3 Remove two screws callout 2 4 Slide the formatter cage toward the back of the product approximately 2 5 mm 1 inch and locate the format
153. tus ine DA ey appear na a text box Syria that blocks normal display views until the message is cleared e The copy count shows the number of copies selected This selection is made using the keypad Acceptable values are from 1 to 99 3 Operation 31 32 Operation Menus The HP LaserJet 4100mfp series uses a system of control panel menus to set job parameters set system defaults and manage product performance and features Menu options are reached by pressing the MENU button on the right side of the control panel display and scrolling through the list to locate the option you want to use The following menus are available eo Pause Resume see Hint on page 30 Retrieve job Information Paper handling Configure device Diagnostic Service PIN code 04410002 For more information about menus see Control panel and control panel menus in the use guide Configure device diagnostic and service menus The configure device menu is used to establish the product s default settings The selected defaults can be locked by the system administrator You can override the default settings at the control panel for the current job only lt might be necessary to reset these options to factory defaults when troubleshooting the MFP unit The diagnostic menu is used to calibrate and test MFP components The diagnostic menu can also be used to print or view an event log An event log records the number and type of errors the product has expe
154. ubject to user judgment This section of the manual helps define print quality defects and the factors that affect print quality The print samples shown in the following figures illustrate some print quality defects To use for future reference HP suggests that you keep copies of print quality defects you encounter in the field and an explanation of their causes When troubleshooting image defects try scanning a test page through the ADF and from the glass to help isolate the cause of the image defect to the ADF unit scan unit or the print unit Table 23 Image defects Condition Solution Distorted images Improper optical unit drive belt Adjust the belt tension for the pickup tension motor See Optical unit on page 95 AaBbCc AaB If the problem persists replace the AaBbCc AaB belt See Optical unit on page 95 AaBbCG AaB AaBpCG AaB AaBbCG AaB AaABbCc AaB Blank page when The source document was not Verify that the source document is using the ADF placed in the ADF input tray face up face up in the ADF input tray The source document was not Remove and then reinsert the source detected in the ADF input tray document into the ADF input tray Verify that the document detect sensor PS2 flag freely moves See ADF components on page 56 Use the control panel diagnostic test to verify that the sensor ADF motor and pickup solenoid are fuctional See Diagnostic tests on page 126 A sou
155. ult the list of common messages in this chapter See Control panel messages on page 120 The control panel is not functional the display is blank or garbled text appears on the display Verify that the power cord is properly plugged into its receptacle on the flatbed unit See Back view on page 21 Verify the control panel cable is full seated at scanner controller board location J1210 See Scanner controller board connectors on page 62 Verify the connector at the other end of this cable is fully seated See Disconnect the scan unit cable on page 90 Verify that the control panel cable is fully seated in it connector on the control panel door See Release the control panel door support pins on page 80 Verify that no power on defect exists See Power malfunctions on page 116 Reseat the firmware and memory DIMMS See Copy processor board on page 57 Verify any optional devices for example a duplex accessory are correctly installed Replace the control panel See Control panel door on page 79 Do information pages print Print a configuration page The configuration page should print without paper feed problems or print quality defects 114 Troubleshooting The control panel displays an error message Consult the list of common messages in this chapter See Control panel messages on page 120 Media does not move smoothly through the flatbed
156. user wants them Keep in mind that application settings take priority over driver settings which take priority over the MFP control panel settings If a single setting is not present in the application but is set in the driver that setting overrides the control panel settings C9148 90909 7 Troubleshooting 129 Evaluate the information pages From the MFP control panel you can print pages that give details about the MFP and its current configuration The following information pages are available e Configuration page e JetDirect page if a JetDirect card is installed eo File directory page e Usage page To select and print items from the information menu 1 Press the MENU button 2 Select IMFORMATION 3 Select the information page you want to print 4 Press the SELECT Y button to print the information page Configuration page Use the configuration page to view current MFP settings to help troubleshoot MFP problems or to verify installation of optional accessories such as memory DIMMs input and output paper handling accessory and printer languages The content of the configuration page varies depending on the options currently installed in the MFP Additional information about optional MFP accessories for example an optional paper tray duplex unit envelope feeder or additional memory will appear on this page if they are installed Configuration page elements Use the configuration page to verify the installed fi
157. vent log is empty the control panel will display E Loza Is Emet Note If an error occurs when upgrading MFP firmware the error codes in table 17 on page 119 are entered into the event log An error message does not appear on the control panel display Follow these steps to display the event log 1 Press the MENU button 2 Select DIAGNOSTICS 3 Select SHOH EVENT LOS 4 The event log appears Page count Event code Error type Appears on the display panel Appears in the event log Figure 87 Control panel display of the event log Hint Whenever a i3 x jam message appears on the control panel a good practice is to clear the jammed paper from the MFP press STOP to stop printing and print the event log Even if you cannot print the event log you can display it on the control panel Table 17 Firmware update event log errors Event log Explanation Recommended action display C9148 90909 The cyclical redundancy code CRC value in the incoming upgrade is different from that stored in MFP memory The buffered firmware image is discarded The input output connection was disrupted during the firmware upgrade The firmware image being written to the hard drive disk does not match the image stored in the MFP s memory 1 Verify that you are using the correct firmware upgrade version and try upgrading the firmware again 1 Verify that the copy processor board is firmly seated in its connector 2 Verify tha

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