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Monochrome Laser Printer Service Manual

1. ee re ee ee E xii DREMEL RR MERCURIO by xii General information 2 1 1 Born s ce ss tec ae sh nsec a ae ana en acces 1 1 Maintenance approach as feces ra i a noon moe HR arr AR ar RC eae at REAR 1 1 Overview of the operator panel 2 2 eden 1 2 crues n 1 3 Memo ELO E AA 1 3 Punt speld 1 3 1 3 Media trays and supply capacity ieget qoin deben oper ded eden em 1 4 Connectivity and 1 5 Types of print media Ry eR EUR cow IP RES 1 6 Tips on preventing jams rh eee deere eee ee eee Kee 1 7 Paper pali 1 7 ic Pe eee eR RO A rade Re ER FACERE 1 8 aa 1 9 Diagnostics 2 4 40 2 1 SIME 0
2. Right side cover Media ACM drive assembly Rear upper and lower cover assembly Front access cover assembly Complete duplex assembly Main tray Optional media drawer assembly Tray 2assembly Pickup and manual feed solenoids Reversing solenoid 110 V maintenance kit 6 1 220 V maintenance kit 6 1 100 V maintenance kit 6 1 Screws miscellaneous ACM drive shaft assembly Tray 1 wear strips Tray 2wearstrips Narrow media sensor
3. 2 1 Overview of the operator panel and 2 2 Indicator light 4 uhr hok eee xr hx RERO OR XO ER ROO CX Rr Rn 2 2 B ttoliS gt 24555 550 ee RP Sed RS 2 3 Diagram of thie Printer idus a ase unir icu eir dor gite Sci do ac ic Redi Cede 678 5 2 60 2 4 Messages and error codes d EU RN SA n LR ACA AUR UE RA QU cR 2 5 User attendance messages cucine Re RR Rena 2 5 Cartridge error messages rd E M c EAS E Rad e bus MURUS mas c qon 2 8 Paper jam error codes 200 50 165 os max woe x mas epa wa mies 2 8 Seivi6e eror 000 Loss ede Sd a dus Rt qid ioi DX EU enews 2 12 Symptom tables 2 2 6 2 2 eru Edo kada PR ER RE 2 15 POST symptom table i rixae xn ROCK KC E CK FC RR Pee RR 2 15 Printer symptom table lt 2 oo Rr mmm mh bx ERG ERREUR 2 16 Service CHECKS suisses m xd RR XC ROO A RE Rae RATERS RS 2 17 Controller card service Check 222 2 17 Cooling service check 1 5 ron x RR eee ee Fs 2 18 Cover interlock switch service check
4. 283 2000430 CO lt 2 37 22 30 CO VL y i ikEATTO T7T95T 72 72 088B8BC 5457 RORY 200488332 2 64 lt lt 2 27 2279 R ES TBBMC BW TH 672 1 2 10 ik 2 002 EI UGE 5 DHHS 21 CFR Subchapter 1 27 28 1 1 BFK HE Tf xk Hd Hh Ru SEGA IE 5 825 ES dn T I TT ED SL GA Ib 3b 830 55 5 EUA 826 770 795 nm 2 8 6 8 VE EAM AEA SS ARE ih DET EY loH ASSO CHS DHHS 21 15 CFR Subchapter 32 142 6 77 ozod 151 1949 825 15 4H SORA 52 158 40 ASSES HNE BIAS 5 WS 2 770 795 LE n E 9 ups ol SISStE Class 3b lt cyto zt Aj BA HA HS BLE Weg MHA 4219 Class SEY Ao 422 AAS Lexmark E350d E352dn 4512 420 430 Safety information The safety of this product is based on testing and approvals of the original design and specific components The manufacturer is not responsible for safety in the event of use of unauthorized replacement parts The maintenance information for this product has been prepared for use by
5. Upper front frame assembly Legal extender dust cover 7 3 Paper feed ACM tires RO Toner low sensor RO Field location package assembly 6 Service Manual E350d E350dn A PS Wiring Diagram Q LT Toner Q Operator Panel Cartridge Bu Dou Smart Chip Cooling Fan Duplex Toner Level Galvo Motor Solenoid Dr Blade S 1 gt Cover Open Narrow Exit o Switch SU Sensor Sensor Developer Bi 9 5 1 B 00 Ir LL e 9 1 1 B S 3 1 8 6 6 2 exa 8 5 gt ol o JEN E FII 5 lo 85 8 E E 6 9 51818 6 5 6 5 215 6 8 5 6 5 5 4 Ala 5 2 ea a 62 a CLIJ LEL CL LL Main Motor Drive O
6. lt gt LEDOn O LED LED Flashing Step 2 of 3 Note that each step may repeat more than once 4512 420 430 6 Press to change the BA settings to the number beside the darkest portion of the vertical bar 7 Press and release V to move to the CA settings on the right side of Step 2 test page 8 Press to change the CA settings to the number beside the darkest portion of the vertical bar Diagnostic aids 3 9 4512 420 430 9 Press Go to print Step 3 test page Step 3 printout sample only use actual sheet BA O ex ex ee oe oe 0 0 LED On LED Off LED Flashing Step 3 of 3 Note that each step may repeat more than once 10 Press to change the BA setting to the number beside the darkest portion of the vertical bar 11 Press and release V to move to the CA settings on the right side of Step 3 test page 12 Press to change the CA settings to the number beside the darkest portion of the vertical bar 3 10 Lexmark E350d E352dn 4512 420 430 13 Press Go to print Visual alignment page Visual alignment printout sample only use actual sheet 14 Verify that the overall darkest line across the page is 0 If not then run the alignment again 15 Turn the printer off to exit the printer alignment menu Diagnostic aids 1 4
7. O Ls 5 PNC2 8 CECE EET ECE 2 0 Power supply Identifier Zero Cross Out Relay Drive ET 0 J1 1 221 O 00 J3 J2 Transfer Servo Output LII 1 1 LEI Do Esp Iss ela Charge PWM 6 id amp 2 5 2 sls cle 5 mie 1 9 5 lt 5 a 5 3 8 Photoconductor Kit z Photoconduct tl iotoconductor 1 i E 3 LZ MPF oa Tray 2 Connector Paper In Duplex Sensor Sensor Sensor J5 6 J9 2101 8 J13 J10 J11 USB Port Parallel Port Network Plug T Network machine only Legend Input Output Plugged Voltage voltages are DC unless otherwise noted Print defects guide Print defects guide Page 1 of 1 Defects often repeat down a page In such cases matching the defect frequency to one of the sets of vertical lines below can help identify the particular part that may be causing the defect For example the distance between these two marks represents a repeating defect ca
8. do ax Ra Kae Ra eae RR Rd acd as 3 15 Duplex 16505 ere AO E Rs E ach dad gue 3 16 Input tray teste sss o x ee Ree RR RK C RO RUD E CR 3 17 Base sensor tesi 3 18 Printer Setup usos E ac CRGO UR E Ere UR ERE do 3 19 m dee wea Ore awe 3 21 3 21 ree OG gt coche Exil 0510 uidi eo uia bt teu dana eS Uu aide bus dd d doge Mee 3 22 Repair information sse n 4 1 Handling ESD sensitive parts RR RR m e XS Rm Un RR ORO mie n 4 1 Removal procedu S ii euo ava 4 1 Locations and connections 0 60 6 esee 1 Locatiolis UR GC Cee 8 5 1 EIOOUVIBW ed mapu 0 ain d 5 1 Rear ViOW Rc m 5 1 Controller card connector pin values 5 2 1 00 0601075 EC C 5 4 Preventive maintenance
9. 2 18 Dead machine service check ene 2 19 Pusensemice aa ou 2 05 000 EIS dE wp dene dade ad ddp RR 2 19 LVPSIHVPS service check csi E Le UR EE iem END aude ib Re de 2 20 Main motor service check 2 20 Operator panel service CHECK pein Ream eno lo deae REE 2 21 Paper feed service checks UR KC OR KO RR 2 21 Parallel or USB port service check 2 23 Print quality service checks EORR ee 2 24 Printhead service 60608 isses ka 2 31 Transfer roll service Check cs PER RE RR EE RR 2 31 Table of Contents iii 4512 420 430 Diagnostic aids 3 1 Accessing service diis rd an acia 6 0 decani do dian dose du was 3 1 Printing menus rk mace ORE ERR OA s 3 1 Configuration menu CONFIG MENU 77221222 3 2 Entering Configuration Menu x kh kere bake ek eee ee Ke n RO FRA 3 2 Available Menus 3 2 Fixe een 3 2 Reset Maint COUNT dn dion qo d
10. 3 Remove the sensor assembly Note Be sure to secure cables in retainers when installing the new assembly The solenoid cable should be installed on top of the sensor cables Repair information 4 39 4512 420 430 Printhead removal Remove the top cover See cover removal on page 4 7 for more information Remove the right side cover See Right side cover removal on page 4 5 Remove the controller card cover Disconnect the cables J5 DRV A J8 LXK LSU B and J15 C from the controller card Note Be sure to remove the toroid before disconnecting the cables 6 Remove the printhead Reinstallation note Install the new printhead by lining up the alignment knub with the indicator located at the front right hand Screw Besure to place the toroid back over the cables Mechanically adjust the printhead if necessary See Printhead assembly mechanical adjustment on page 4 13 Electronically adjust the printhead This is a necessary step See Printhead assembly electronic adjustment on page 4 8 4 40 Lexmark E350d E352dn 4512 420 430 Reversing solenoid removal 5 Remove the top cover cover removal on page 4 7 Remove the controller card shield Loosen the four screws and slide See Right side cover removal on page 4 5 Disconnect the cable from J9 DP REV SOL on the controller card Remove the two screws A Remove
11. See Light print on page 2 27 The toner cartridge may be getting low on toner Remove the toner cartridge and print cartridge assembly Shake it from side to side to redistribute the toner Reinstall it and recheck for condition Make sure to use the recommended print media see media types and sizes in the User s Reference Use MarkVision to define the custom type setting for media type media texture or media weight The toner cartridge or PC Kit may be defective Replace the PC Kit first and recheck Blurred characters Blurred images including characters are usually caused by a defective printhead Vertical white lines See Vertical streaks below Vertical white lines may be caused by the laser beam which may be partially blocked With the printer off clear the path or clean the lens The toner cartridge or fuser may be defective Try a different toner cartridge Inspect the fuser at its entry for debris Toner smudges appear on the front or back of the page Make sure the media is straight and unwrinkled Replace the Kit and recheck before replacing the toner cartridge See Toner on back of page on page 2 27 for more information Vertical or horizontal streaks appear on the page BCDE BCDE BCDE Vertical streaks Something could be caught between the PC kit and the fuser Check the paper path around the fuser entry Try a different toner cartridge Vertical w
12. 235 01 Invalid duplex media 241 00 Paper jam near tray 1 241 10 Second pick attempt failed from Tray 1 241 12 Second pick from manual feeder tray 1 or feeder failed when the media was in the source while other sheets were committed to the paper path 241 16 Failed to feed from tray 1 Pages in the paper path have been flushed to the output bin 241 17 MISIDENTIFIED SMALL GAP JAM Engine detected small gap at the manual feeder sensor attempted to open the gap by stopping the feed rolls trailing edge was seen at the input sensor manual feeder sensor is no longer covered 241 18 MISIDENTIFIED NO GAP JAM Engine detected no gap at the manual feeder sensor attempted to open the gap by stopping the feed rolls trailing edge was seen at the input sensor manual feeder sensor is no longer covered 241 19 Second pick attempted failed from Tray 1 no pages printed since calling a 241 10 or a prior 241 19 242 00 Paper jam near tray 2 2 10 Lexmark E350d E352dn 4512 420 430 Paper error codes 200 series Continued Error Description 242 01 Took too long to ramp up dc feed motor 242 08 Received lots of dc feed interrupts before losing them 242 10 Second pick attempt failed from Tray 2 242 12 Second pick from manual feeder tray 1 or feeder failed when media was in the source other sheets were committed to the paper path 242 16 Failed to feed from t
13. 8 Remove the media level indicator See Media level indicator removal on page 4 33 4 18 Lexmark E350d E352dn 4512 420 430 9 Remove the six screws D 10 Lift the right side opposite the coupler and remove the duplex Note Atre installation before tightening the screws locate the duplex unit against the left side frame Left side relative to the picture above Repair information 4 19 4512 420 430 Duplex gear drive 1 Remove the main motor drive See Main motor drive removal on page 4 28 2 Remove the duplex See Duplex removal on page 4 18 3 Remove the duplex coupling and gears A the screw and plastic retainer A 4 Remove the duplex coupling B and mating link B Note The link not shown that connects the duplex and duplex coupling is part of this FRU as well as the duplex FRU 4 20 Lexmark E350d E352dn 4512 420 430 1 Open the right side cover See steps 2 through 4 of Right side cover removal on page 4 5 2 Remove the two screws A holding the fan to the side frame 3 Unplug the cable from J4 on the controller card Note Be sure to remove the toroid before removing the cables When re installing be sure to place the toroid back over the same cables 4 Remove the cable from its retainer 5 Remove the fan Flag removal top cover right 1 Remove the top cover See Top cover removal on page 4 7 2 Turn the to
14. T 9 Power cord 6 foot straight Traditional Italy 7 9 Power cord 6 foot Argentina 7 9 Power cord 1 77M straight USA Canada T 9 Power cord 1 8M straight Australia 7 9 Fuser assembly 110 7 5 Duplex and media sensor assembly 7 5 Cooling Ree RA cee ee a Biets g Ea 7 5 Cable assembly misc fuser power 7 5 Cable assembly misc main drive motor 7 5 Cable assembly misc LVPS HVPS to controller 7 5 Cable assembly misc toner sensor 7 5 32MB SDR 8 64MB SDR DIMM 7 8 128 MB SDR DIMM 7 72 7 8 Parallel cable packaged 3 m 7 8 USB cable packaged 2 7 8 32 flash card assembly 7 8
15. menu settings page cannot be printed contact the next level of support menu settings page can be printed the problem is of the following Computer Software program Cable e USB only A failed controller card Replace card Note Test by unplugging USB and plugging it with the printer on If the computer indicates unknown device replace the controller card Toner Low light is on and printing stops If a 3 5K or more page toner cartridge is being used and the Toner Low alarm is set to on the printer stops printing until the toner cartridge is replaced The Error light alone is on Make sure the front printer cover is closed The Toner Low light is blinking and the Error light is on Make sure the toner cartridge is installed correctly Install a new toner cartridge The media skews or buckles Tray is overfilled or media is too loose Don t overfill Tray 1 or the optional Tray 2 see media capacities in the media types and sizes table in the User s Guide Make sure the paper guides are flush against the edges of the media The media sticks together resulting in the printer feeding multiple sheets The friction between sheets is too high Remove the media from Tray 1 or Tray 2 and fan it Don t overfill Tray 1 or the optional Tray 2 see media capacities in the media types and sizes chart in the User s Reference The media fails to feed fro
16. 40X0288 40X0289 40X0296 40X1300 40X1323 40X1328 40X1333 40X1333 40X1333 40X1333 40X1364 40X1365 40X1366 40X1367 40X1368 40X1454 40X1512 40X1513 40X1514 40X1515 40X2801 40X2802 40X2803 40X2806 40X2807 40X2810 40X2812 40X2813 40X2815 40X2816 40X2817 40X2819 40X2820 40X2821 40X2822 40X2824 40X2825 40X2826 40X2829 40X2830 40X2831 40X2832 40X2833 Power cord 1 77M straight Japan 7 9 Power 6 foot United Kingdom 7 9 Power cord 6 foot Switzerland nu a a n a a a a a a a a a a n 7 9 Power 6 foot straight Israel 5 7 9 Power 6 foot South Africa 7 9 Power 6 foot straight Brazil III 7 9 Power cord 6 foot straight Europe others T 9 Power cord 6 foot straight Denmark teresse III 7 9 Power cord 1 77M straight Korea T 9 Power cord 1 77M straight Taiwan 7 9 Power cord 1 77M straight PROC
17. Japanese font card assembly 7 8 Simplified Chinese font card assembly 7 8 Traditional Chinese font card assembly 7 8 Korean font card assembly 7 8 Fuser assembly 220 V 7 5 Fuser assembly 100 220 022 7 5 LSU E350d E352dn printhead III 7 5 Controller card E350d a III 7 5 Controller card E352dn II III III III 7 5 LCD operator panel assembly E350d E352dn III 7 5 Top cover right flag acesas mna eai i ee eee eere 7 3 Cover open sensor assembly r rrr rrr rrr rrr rrr eee 7 5 LCD bezel cover 50 7 3 LCD bezel cover 520 7 3 Tray 2 paper feed e 7 7 LVPS HVPS card assembly 110 V kacau a kaea maa ka a a aa a a
18. Repair information 4 7 4512 420 430 8 Disconnect the cable E of the narrow media sensor from J10 on the controller card Bp ok 9 Free the cable while noting which top frame opening it goes through 10 Release the latches F on both sides to unhook the top cover 11 Lift and remove the top cover Installation note Besure to re route the cable back through the same hole Be sure that the ground strap aligns at screw C Verify the proper alignment of the top cover with the paper exit guide along the mating edges at the rear of the exit tray Verify that the rollers in the top cover contact the exit guide rollers at the top rear There are arrows under the top cover to verify the location of the rollers 4 8 E350d E352dn 4512 420 430 Auto comp removal 1 Remove the duplex See Duplex removal on page 4 18 2 Remove the auto comp clutch See Auto comp clutch removal on page 4 10 3 Use a spring hook or a small screwdriver to rotate the latch toward the bottom of the printer until it is pointing downward Re Ed ya 4 Lay the printer on its top Be sure to protect it from marring 5 Raise the auto comp and unhook the counter balance spring A Repair information 4 9 4512 420 430 6 Rotate the arm and pull to remove the auto comp yg Auto comp clutch removal 1 Remove the left side cover See Left side cover removal on page 4 4 2 Rem
19. Zur ck Vissza Indietro Tilbake Wr Atr s Bakat Continuar HS Start Fortsett Start Dalej Start Tlyck Jatka qu Reprise Continuar Fortfahren Starta Tov bb 5 Ok Git RAT 4512 420 430 Specifications Memory item 4512 420 4512 430 Lexmark E350d Lexmark E352dn Standard DRAM 32MB 32MB Optional SDRAM 32MB v v Optional SDRAM 64MB v v Optional SDRAM 128MB v v Optional SDRAM 256MB n a n a Maximum DRAM 160MB 160MB Optional flash memory 32MB v v Optional font cards DBCS v v Print speed Media Size 4512 420 4512 430 Lexmark E350d Lexmark E352dn Letter 8 5 x 11 in 35 ppm 35 ppm A4 210 x 297 mm 34 ppm 34 ppm Legal 8 5 x 14 in 29ppm 29ppm Speed measured on media from tray 1 simplex and at 600 x 600 dpi Print quality Resolution 4512 420 4512 430 Lexmark E350d Lexmark E352dn 1200 Image quality v v 2400 Image quality v v 1200 x 1200 dpi v v 600 x 600 v v 1200 Image quality defined as 600 dpi with 2 bit IET image enhancement technology default mode for all models 2400 Image quality defined as 600 and 4 bit IET True 1200 dpi at 12 rated speed General information 3 4512 420 430 Media trays and supply capacity item 4512 420 4512 430 Lexmark E350d Lexmark E352dn Available input tray
20. 3 3 Event Log Event Log on page 3 3 Reduced Curl Reduced Curl on page 3 4 USB Speed USB Speed on page 3 4 Exit Config Menu Exit Config Menu on page 3 4 Menus may vary depending on the features and options of the printer Maint Cnt Value This value represents the number of printed sides duplexed 2 sides It can be reset via Reset Maint Count Reset Maint Count To reset the Maint Cnt Value 1 Select Reset Maint Count from the CONFIG MENU 2 Press v to reset the counter Reset PC Cnt When you install a new photoconductor this number should be reset To reset the counter 1 Select Reset PC Cnt from the CONFIG MENU 2 Press v to reset the counter to zero Note Permanent page count is not affected by this operation 3 2 Lexmark E350d E352dn 4512 420 430 Print quality pages Prt Quality Pgs To print the Print Quality Pages 1 Select Prt Quality Pgs from CONFIG MENU 2 Press Four pages print Additional button presses are ignored until the pages have printed If duplex is selected the pages print front and back The first page is a mix of graphics and text The second two pages are graphics and the last page is blank The Print Quality Pages can also be printed from the Diagnostics Mode Panel Menus If no password is set Panel Menus lets you restrict access to the Ready Menu Group When a password is set by an administrator this menu item
21. ASM ACM drive shaft P U and manual feed solenoid Make sure the rubber tires on the ACM are installed and clean Replace the tires ACM drive clutch assemblies solenoids or drive shaft as necessary Media occasionally mispicks or picks multiple sheets at once FRU Action Tray 1 Tray 2 option Check tray for media catch points If the sheet being fed stops momentarily the ACM applies additional vertical force causing additional sheets to feed Do not mix media types in one tray Paper pick tires Tray 1 or tray 2 Check the tires in the ACM assembly for signs of wear or damage Replace the tires as necessary ACM clutch complete bill of material CBM Manual feed clutch CBM Media feed clutch ASM tray 1 only Manual feed clutch ASM Open left cover and observe the solenoid and clutch actions at the ACM and manual feed shafts as a print job is attempted Replace the faulty part Controller card P U and manual feed solenoid ASM Disconnect the solenoid cable at J21 on the controller card Measure the resistance across cable pins 1 and 2 and then pins 3 and 4 The resistance should be 180 250 ohms If itis not replace the solenoid assembly f the resistance is 180 250 ohms check the controller card See Controller card service check on page 2 17 for more information Replace controller card as necessary 2 22 Lexmark E350d E352dn 45
22. Are damaged in any way Contain windows holes perforations cutouts or embossments Have metal clasps string ties or metal folding bars Have postage stamps attached Have any exposed adhesive when the flap is in the sealed position Use only recommended media Refer to the Card Stock amp Label Guide available on the Lexmark Web site at www lexmark com for more information about which media provides optimum results for the current printing environment Tools The removal and adjustment procedures require the following tools and equipment e Spring hook Needle nose pliers Volt ohmmeter 1 and 2 Phillips screwdriver Slotted screwdriver 1 8 Lexmark E350d E352dn 4512 420 430 5 Autocompensator Mechanism or paper feed ADC Analog to digital Converter ASIC Application Specific Integrated Circuit CBM Complete Bill Of Material DEV Development Roll of print cartridge photoconductor System DIMM Dual In Line Memory Module ENA External Network Adapter FRU Field Replaceable Unit HBP Host Based Printing HVPS High Voltage Power Supply LCD Liquid Crystal Diode LED Light Emitting Diode LSU Laser Scanning Unit LVPS Low Voltage Power Supply NVRAM Nonvolatile Random Access Memory PC Photoconductor PCL Printer Control Language POR Power On Reset POST Power On Self Test PPDS Personal Printer Data Stream PRC People s Republic of China TAR Toner Add Roll SDR Synchronous Dynamic RAM S
23. EP SETUP EP Defaults See EP Defaults on page 3 21 Fuser Temp See Fuser Temperature Fuser Temp on page 3 21 Transfer See Transfer on page 3 21 Print Contrast See Print Contrast on page 3 21 Charge Roll See Charge Roll on page 3 21 Gap Adjust See Gap Adjust on page 3 21 EVENT LOG Display Log See Display Log on page 3 21 Print Log See Print Log on page 3 22 Clear Log See Clear Log on page 3 22 EXIT DIAGNOSTICS See Exit Diagnostics on page 3 22 3 6 Lexmark E350d E352dn 4512 420 430 Registration Margins To set print registration 1 Select REGISTRATION from the Diagnostics menu 2 Select Margins from the REGISTRATION menu The Top margin sign value pair blinks This indicates it is the margin value being changed Tssxx Bz sxx 5 3 select the margin value to be changed press v until the margin value pair you want to change is blinking The print registration range is Variable Description Value S sign blank for positive values for negative values B Bottom margin 20 to 20 Each increment causes approximately 0 55 mm shift in the bottom margin T Top margin 16 to 16 L Left margin 25 to 25 4 To change the margin value press 4 p When the value you want displays press V to save the value To verify the margin values are correct you must print the Quick Test page Pres
24. FRU Action Main gear drive Main motor cable LVPS HVPS Controller card Warning Do not replace the operator panel and controller card at the same time Each card contains the printer settings When either of these cards is new it obtains the settings from the other card Settings are lost when both are new and replaced at the same time Turn off the printer and unplug the main motor cable at J17 Turn on the printer and check for the following voltages at J17 J17 pins Voltages Pins 1 4 Approx 3 3 V dc Pin 6 Approx 5 V dc Pins 7 9 10 V 06 24 V dc Verify ground at pin 5 for both the card and cable f these voltages are correct check the main motor cable for continuity Remove the left side cover to access the connector on the motor f continuity exists on each wire replace the main gear drive which includes the motor f continuity does not exist on one or more of the wires replace the motor cable If these voltages are not correct see Controller card connector pin values on page 5 2 or replace the controller card See Controller card removal on page 4 13 2 20 Lexmark E350d E352dn 4512 420 430 Operator panel service check Inspect the operator panel cable for damage Make sure the cable is plugged in securely Run POST and check each light for proper operation See Power On Self Test POST sequence page 2 1 LCD
25. HVPS If there is no continuity disconnect the fuser power cable at both ends and check each conductor for continuity Replace cable if necessary If the cable tests good replace the fuser Make sure the fuser thermistor is correctly connected to the controller board at J13 If the problem persists disconnect the thermistor cable and check for less than 5 V dc on pin 1 Pin 2 should be ground If line voltage is incorrect on pin 1 see Controller card service check on page 2 17 for more information Fuser Disconnect the thermistor cable from J13 on the controller card Measure the resistance across the ends of the thermistor cable Replace the fuser assembly if the resistance is lower than 1K ohm shorted Note Resistance measures approximately 400K ohms when cool and 1K ohms hot Fuser Diagnostics information 2 19 4512 420 430 LVPS HVPS service check FRU Action LVPS portion of board Fuses that open typically indicate a faulty LVPS HVPS Disconnect the power cable and open the LVPS HVPS enough to test the switch The switch will show continuity across the conductors with a meter when the switch is on If the UE switch is good see Dead machine service check on page 2 19 for more diagnostics LVPS H HVPS portion of board Problems with the HVPS are exhibited in the print quality See Print quality service checks on page 2 24 for more information Main motor service check
26. Operator panel service check FRU Action Operator panel LCD Controller card Warning Do not replace the operator panel and controller card at the same time Each card contains the printer settings When either of these cards is new it obtains the settings from the other card Settings are lost when both are new and replaced at the same time Lights If the LCD does not come on open the controller card cage and locate the operator panel connector at J3 Make sure the cable is properly connected to the controller card and the controller card has input voltage to it With the printer on verify the following without disconnecting the cable Pins 1 3 5 and 6 3 3 v e Pin 2 5 v Pins 4 and 7 GND If these are correct and the operator panel is not functioning replace the operator panel If any are incorrect see Controller card service check on page 3 17 Buttons If the buttons do not respond replace the operator panel There is no test or repair for the faulty switches Paper feed service checks Paper jam error indication during POST FRU Action Fuser exit sensor If the exit sensor flag which is visible at the back of the fuser is in any position other than vertical the printer will display a paper jam Make sure the flag is operating freely Replace the fuser if the sensor is damaged Input duplex sensor Manual feed sensor Make sure the input paper
27. Roll 3 21 EP Defaults 3 21 Fuser Temp 3 21 Gap Adjust 3 21 Print Contrast 3 21 Transfer 3 21 Event Log Clear Log 3 22 Display Log 3 21 Print Log 3 22 Exit Diagnostics 3 22 exiting 3 6 Hardware Tests Button Test 3 15 DRAM Test 3 15 LCD Test 3 15 4512 420 430 Input Tray Tests Feed Tests 3 17 Sensor Test 3 18 menu list 3 5 Print Tests input source 3 14 input source tests 3 14 Prt Quality Pgs 3 14 Printer Setup Configuration ID 3 20 Defaults 3 19 Edge to Edge 3 20 Engine Settings 3 20 Model Name 3 20 Page Count 3 19 Par S Strobe Adj 3 20 Perm Page Count 3 19 Serial Number 3 20 Registration 3 7 Quick Test 3 14 DRAM Test 3 15 E Edge to Edge 3 20 Energy Conserve 3 3 EP Defaults 3 21 error log clear log diagnostics mode 3 22 display log diagnostics mode 3 21 Print Log 3 22 error messages service error codes 2 12 user attendance messages 2 5 ESD sensitive parts 4 1 F Factory Defaults 3 3 fan parts catalog 7 5 removal 4 21 service check 2 18 frame parts catalog 7 6 fuser parts catalog 7 5 removal 4 22 service check 2 19 Fuser Temp 3 21 G Gap Adjust 3 21 H handling ESD sensitive parts 4 1 History see error log 3 22 Index 1 1 4512 420 430 input feed tests 3 17 input source tests 3 14 L LCD operator panel 4 36 locations front views 5 1 rear views 5 1 lubrication specifications 6 1 LVPS HVPS parts catalog 7 5 removal 4 26 service check 2 20 M maintenance kits 6 1
28. See Cooling fan service check on page 2 18 Fuser does not cycle See Fuser service check on page 2 19 Fuser does not turn on and off See Fuser service check on page 2 19 The paper feed picks and tries to feed media See Paper feed service checks on page 2 21 Note Investigate any displayed codes before proceeding with these symptoms For example a missing toner cartridge will prevent POST from completing Diagnostics information 2 15 4512 420 430 Printer symptom table Symptom Action Fan noisy or fan not working See Cooling fan service check on page 2 18 Fuser parts melted See LVPS HVPS service check on page 2 20 Toner not fused to the media See Fuser service check on page 2 19 or Solving print quality problems on page 3 28 Paper jams See Paper feed service checks on page 2 21 Main motor noisy or not moving See motor service check on page 2 20 Media skew See Paper feed service checks on page 2 21 Printer not communicating with host See Parallel or USB port service check on page 2 23 Front access cover will not close See Cover interlock switch service check on page 2 18 Operator panel button not responding See Operator panel service check on page 2 21 Operator panel lights are off or very dim See Operator panel service check on page 2 21 Blank page See Blank p
29. V 2 40X2801 1 Fuser assembly 220 V 2 40X2802 1 Fuser assembly 100 V 3 40X2833 1 Miscellaneous cable assemblies 1 Thermistor 1 LVPS HVPS to controller card 1 Main drive gear assembly motor to controller card 1 Fuser power LVPS to fuser 4 40X2823 1 1 Duplex and media sensor assembly 5 40X2813 1 1 Cover open sensor assembly 6 40X2856 1 1 Narrow media sensor 7 40X2828 1 1 Cooling fan 8 56P2076 1 1 Toner low sensor RO 9 40X2806 1 1 Controller card E350d 9 40X2807 1 1 Controller card E352dn 10 40X2819 1 LVPS HVPS card assembly 110 V 10 40X2820 1 LVPS HVPS card assembly 220 V 11 40X2810 1 LCD operator panel assembly E350d E352dn 12 40X2824 1 1 Manual input sensor assembly 13 40X2845 1 1 Pickup and manual feed solenoids 14 40X2826 1 1 Main drive gear assembly 15 40X2846 1 1 Reversing solenoid Parts catalog 7 5 4512 420 430 Assembly 3 Frame 7 6 Service Manual Assembly 3 Frame 4512 420 430 Asm Part Units Units Description Index number mach FRU 3 1 40X2834 1 Media exit guide assembly 2 40X2822 1 Transfer roll bearings gear spring CBM 3 40X2858 1 1 Legal extender dust cover 4 40X2850 N A Screws miscellaneous 4 TP2NCX3X6PF Ni 4 TP2C 4 0 8PF Ni 4 M3 0 0 5 6PF Ni 2 M3 0 0 5 4PF Ni 2 M3 5 0 6 6P Ni 5 40X2853 1 1 ACM drive shaft assembly 6 40X2841 1 1 Complete duplex assembly 7 56P1820 2 Paper feed ACM tires RO 8 40X2838 1 1 Media ACM drive assembly 9 40X2857 1 1 Upper
30. a professional service person and is not intended to be used by others There may be an increased risk of electric shock and personal injury during disassembly and servicing of this product Professional service personnel should understand this and take necessary precautions CAUTION When you see this symbol there is a danger from hazardous voltage in the area of the AN product where you are working Unplug the product before you begin or use caution if the product must receive power in order to perform the task Consignes de s curit La s curit de ce produit repose sur des tests et des agr ations portant sur sa conception d origine et sur des composants particuliers Le fabricant n assume aucune responsabilit concernant la s curit en cas d utilisation de pi ces de rechange non agr es Les consignes d entretien et de r paration de ce produit s adressent uniquement un personnel de maintenance qualifi Le d montage et l entretien de ce produit pouvant pr senter certains risques lectriques le personnel d entretien qualifi devra prendre toutes les pr cautions n cessaires ATTENTION Ce symbole indique la pr sence d une tension dangereuse dans la partie du produit sur laquelle vous travaillez D branchez le produit avant de commencer ou faites preuve de vigilance si l ex cution de la tache exige que le produit reste sous tension Norme di sicurezza Lasicurezza del prodotto si basa sui test e sull a
31. feed sensors are working properly A stuck or incorrectly installed sensor causes a paper jam indication Media picks during POST and or continuously FRU Action ACM Manual feed clutch Check the ACM clutch for wear The solenoid interacts with the clutch to control the motion of the pick tires If the ratchet teeth of the ACM clutch assembly are worn or broken the solenoid may not stop the ACM from rotating Replace the ACM clutch assembly if necessary Check the manual feed clutch for damage Diagnostics information 2 21 4512 420 430 Media picks but stops halfway through the printer FRU Action Input duplex sensors under print cartridge assembly Input sensor manual Make sure the input sensors are working properly Check for a broken or stuck flag on the input sensors Make sure the cables are seated on the controller card at J23 Tray 1 input and J20 manual input Check for about 5 V dc on pin 6 at J23 Input duplex sensor and pin 3 at J20 Input sensor If correct replace the input paper feed sensor f these voltages are not correct replace the controller card Media never picks FRU Action Paper feed pick tires tray 1 Paper feed pick tires tray 2 Open the left cover and verify that the solenoids and clutches are functioning when an attempt is made to feed the media Media drive ASM Media feed clutch ASM Manual feed clutch
32. in DHHS 21 CFR Subchapter J voor andere landen in IEC 60825 1 Laserprodukten van klasse worden niet als ongevaarlijk aangemerkt De printer is voorzien van een laser van klasse 3b dat wil zeggen een gallium arsenide laser van 5 milliwatt met een golflengte van 770 795 nanometer Het lasergedeelte en de printer zijn zo ontworpen dat bij normaal gebruik bij onderhoud of reparatie conform de voorschriften nooit blootstelling mogelijk is aan laserstraling boven een niveau zoals voorgeschreven is voor klasse 1 Lasermeddelelse vi Printeren er godkendt som et Klasse l laserprodukt i overenstemmelse med kravene i IEC 60825 1 Klasse l laserprodukter betragtes ikke som farlige Printeren indeholder internt en Klasse IIIB 3b laser der nominelt er en 5 milliwatt galliumarsenid laser som arbejder belgelaengdeomr det 770 795 nanometer Lasersystemet og printeren udformet s ledes at mennesker aldrig uds ttes for en laserstr ling over Klasse niveau ved normal drift brugervedligeholdelse eller obligatoriske servicebetingelser Lexmark 50 E352dn 4512 420 430 Huomautus laserlaitteesta kirjoitin on Yhdysvalloissa luokan 1 laserlaitteiden DHHS 21 CFR Subchapter J m rityksen mukainen muualla luokan laserlaitteiden IEC 60825 1 maarityksen mukainen Luokan laserlaitteiden ei katsota olevan vaarallisia kayttajalle Kirjoittimessa on sis inen luokan 3b 5 milliwatin galliumarsen
33. manual feed print media types and sizes 1 6 messages service error codes 2 12 user attendance messages 2 5 Model Name 3 20 models comparison 1 1 diagrams 5 1 operator panels 1 2 service menus 3 1 trays available 1 4 0 LCD 2 2 LED service check 2 21 overview 1 2 P Page Count 3 19 Panel Menus 3 3 panel control 1 2 paper exit guide removal 4 37 paper jams tips on preventing 1 7 parallel port service check 2 23 parts catalog covers 7 2 electronics 7 4 frame 7 6 options 7 8 permanent page count 3 19 power on self test POST 2 1 symptoms 2 15 PPDS emulation 3 3 Print Contrast 3 21 print media preventing jams 1 7 trays by model 1 4 types and sizes 1 6 1 2 Lexmark E350d E352dn print quality pages 3 3 3 14 using 2 24 print quality problems print media 1 7 service check 2 24 solving 2 28 printer symptom table 2 16 printhead removal 4 40 service check 2 31 Q Quick Test 3 7 3 14 R registration 3 7 removals controller card 4 13 cover open sensor 4 15 covers front access cover 4 2 left side cover 4 4 right side cover 4 5 top cover 4 7 developer drive coupling assembly 4 16 fan 4 21 fuser 4 22 fuser power cable 4 24 LVPS HVPS card assembly 4 26 paper exit guide assembly 4 37 paper feed rollers 4 38 printhead 4 40 procedures 4 1 toner level sensor 4 41 transfer roll 4 42 Reset Factory Defaults 3 19 Reset PC Counter 3 2 S safety information ix s
34. sensors appears depending upon the input source selected For example if tray 2 were selected Source Tray present TP Pass thru sensor P Tray 1 No No Tray 2 No No Manual feeder Yes No Only available if tray is a 550 sheet drawer 4 Press Return or Stop to exit the test Base sensor lest Base sensor test is used to determine if the sensors inside the printer are working correctly To run the Base Sensor Test 1 Select BASE SENSOR TEST from the Diagnostics Mode 2 Select the sensor to test The following sensors may be tested The selected sensor is displayed with OP for open or CL for closed You can actuate the sensors to toggle Input input sensor Output exit sensor Front Door front access door sensor between open and closed 3 18 Lexmark E350d E352dn 4512 420 430 Printer setup Defaults Selections are U S or Non U S This selection affects the following defaults Printer setting U S value Non U S value Default paper size Letter A4 Envelope size 10 Envelope DL Envelope Fax paper size Letter A4 PCL Symbol Set PC 8 PC 850 PPDS code page 437 850 Units of measure Inches Millimeters Where input sources do not have size sensing capabilities Warning Changing this setting resets the printer to factory defaults and data may be lost It cannot be undone Page Count Reset the page count when an engine card is repl
35. skew General printer information including current page count installed memory serial number and code level To print the duplexed Quick Test page 1 Select Quick Test from the DUPLEX TESTS menu 2 Select Single or Continuous by using 4 3 Press V to print the page Top Margin 1 Select Top Margin from the DUPLEX TESTS menu 2 change the margin value press 4 to increase the value or to decrease the value 3 Press v to save the desired margin value Left Margin 1 Select Left Margin from the DUPLEX TESTS menu 2 change the margin value press 4 to decrease the value to increase the value 3 Press v to save the desired margin value Sensor Test This test is used to determine if the input sensor is operating correctly fthe sensor is operating correctly Open will appear on the display Sensor Test nput 0 Press Back to return to the DUPLEX TESTS menu 3 16 Lexmark E350d E352dn 4512 420 430 Duplex Feed 1 1 Select Duplex Feed 1 from the DUPLEX TESTS menu The following will appear on the display Duplex Feed 1 Feeding 2 A blank page will feed through the printer The following will appear on the display Duplex Feed 1 Clear Paper 3 Remove the blank page from the printer and press Back to return to the DUPLEX TESTS menu Input tray tests Feed Tests input tray These tests are used to determine if th
36. supply cover Possible safety exposure from any non Lexmark attachments Lubrication specifications FRUS are typically lubricated as needed from the factory If not lubricate only when parts are replaced or as needed not on a scheduled basis Use of lubricants other than those specified can cause premature failure Some unauthorized lubricants may chemically attack parts Use P N 99A0394 Nyogel 744 to lubricate appropriate areas Lubricate gears that were lubricated in the original part Maintenance kits Maintenance kits include Fuser P N 40X2800 40X2801 or 40X2802 Exit guide P N 40X2834 Tray 1 ACM feed tires P N 56P1820 Transfer roll P N 40X2822 Maintenance kits Description Part number 110 V maintenance kit 40X2847 220 V maintenance kit 40X2848 100 V maintenance kit 40X2849 Preventive maintenance 1 4512 420 430 6 2 Lexmark E350d E352dn T Parts catalog How to use this parts catalog 4512 420 430 The following legend is used in the parts catalog Asm Part Index number Units mach Units FRU Description Asm index identifies the assembly and the item in the diagram For example 3 1 indicates assembly 3 and the item number 1 Part number identifies the unique number that identifies this FRU Units mach refers to the number of units actually used in the machine or product Units FRU refers to the number of units packaged together and i
37. the Printer Wait for the message to clear Res Reduced The printer is reducing the resolution of a page in the current job from 600 dots per inch dpi to 300 dpi to preventa 38 Memory Full error Res Reduced remains on the display while the job prints Restoring Factory Defaults Wait for the message to clear Note When factory default settings are restored All downloaded resources fonts macros symbol sets in the printer memory are deleted All menu settings return to the factory default except The Display Language setting in the Setup Menu All settings in the Parallel Menu Network Menu and USB Menu Std Bin Full The standard bin is full Toner Low Replace the toner cartridge e Press rto clear the message and continue printing Tray x Missing Insert the tray into the printer USM The printer is processing data through the specified USB port Waiting The printer has received a page of data to print but is waiting for an End of Job command a Form Feed command or additional data Press gt to print the contents of the buffer Cancel the current job Diagnostics information 2 7 4512 420 430 Cartridge error messages Error Description 31 Defective cartridge 32 Unsupported print cartridge 33 Invalid refill Paper jam error codes 200 series Note The Event log See Event log on page 3 21 will list any of thes
38. the cables from the controller card and remove cables from the shield housing Warning Do notreplace the controller card and the operator panel at the same time Each card contains the printer settings When either of these cards is new it obtains its settings from the other card Critical factory settings are lost when both are new and replaced at the same time 4 Remove the four screws A that are securing the controller card lt lt E b Repair information 4 13 4512 420 430 5 Remove the three screws B securing the USB port and the parallel ports B 6 Lift and remove the card Re installation note When replacing the controller card make sure to route all of the cables through the correct shield opening Make sure that the ground wire that is being held by the front upper screw is in the correct location before installing 4 14 Lexmark E350d E352dn 4512 420 430 Cover open sensor removal Remove Tray 1 Open the front cover Open the right side cover See steps 1 and 2 of Right side cover removal on page 4 5 Remove the controller card cover Loosen the one screw A from the shield that protects the sensor magma 6 Disconnect the cable from J6 on the controller card Note The cable has a toroid Be sure to remove the toroid before removing the cable 7 Usea small Phillips screwdriver to remove the screw B holding the sensor 8 Remove the sensor Reinstal
39. the printer menus Not all menus or selections will be available on all models or in all situations These are accessed through the driver Paper Menu Paper Source Paper Size Paper Type Custom Types Universal Setup Substitute Size Paper Texture Paper Weight Paper Loading PostScript Menu Print PS Error PPDS if activated Orientation Lines per Page Lines per inch Page Format Character Se Best Fit Tray 1 Renumber Auto CR after LF Auto LF after CR 2 4 Lexmark E350d E352dn Finishing Menu Duplex Duplex Bind Copies Blank Pages Collation Separator Sheets Separator Source Multipage Print Multipage Order Multipage View Multipage Border PCL Emul Menu Font Source Font Name Pitch Symbol Set Orientation Lines per Page A4 Width Tray Renumber Auto CR after LF Auto LF after CR Parallel Menu Std Parallel Utilities Menu Quick Demo Print Menus Print Stats Print Net Setup Print Fonts Print Demo Factory Defaults Hex Trace Setup Menu Eco Mode Quiet Mode Printer Language Power Saver Resource Save Print Timeout Wait Timeout Auto Continue Jam Recovery Page Protect Print area Display Language Toner Alarm Network Menu Standard Network Job Menu Reset Printer Quality Menu Print Resolution Toner Darkness Small Font Enh USB Menu Standard USB 4512 420 430 Messages and error codes User attendance messages The printer control panel displays messages descr
40. the reversing solenoid Toner level sensor removal mp Remove Tray 1 Open the front access cover Open the right side cover Unplug the toner level sensor cable Unsnap the toner level sensor A from the frame and remove it through the inside of the printer Repair information 4 41 4512 420 430 Transfer roll removal Note A flashlight may be required to remove the transfer roll 1 Open the front access cover 2 Place a clean piece of paper around the transfer roll to protect it from finger oils Note Do nottouch the transfer roll with bare hands Contaminants can damage the roll 3 Atthe right side of the transfer roll squeeze the holder arms with the left hand while lifting Stop when the holder is unlatched 4 Atthe left side of the transfer roll squeeze the holder arms with the right hand while lifting with the left hand Stop when the left holder is unlatched 5 With a hand at each end lift the transfer roll out Note Do not try removing the spring on the left it is not removeable but can be dislodged The spring included with the FRU is to be used only if the old right side spring is damaged or lost Both springs must be positioned on posts that cannot be seen If the old springs are moved feel the base of the springs to assure that they are on the posts The top of the springs must be captured in the bearings of the transfer roll 4 42 Lexmark E350d E352dn 4512 420 430 Tray 2 auto comp ti
41. to isolate failing field replaceable units FRUs 3 Diagnostic aids contains tests and checks used to locate or repeat symptoms of printer problems 4 Repair information provides instructions for making printer adjustments and removing and installing FRUs 5 Connector locations uses illustrations to identify the connector locations and test points on the printer 6 Preventive maintenance contains the lubrication specifications and recommendations to prevent problems 7 Parts catalog contains illustrations and part numbers for individual FRUs Appendix A contains service tips and information Appendix B contains representative print samples Definitions Note A note provides additional information Warning A warning identifies something that might damage the product hardware or software CAUTION A caution identifies something that might cause a servicer harm product where you are working Unplug the product before you begin or use caution if the product CAUTION When you see this symbol there is a danger from hazardous voltage in the area of the AN must receive power in order to perform the task xii Lexmark E350d E352dn 4512 420 430 1 General information The Lexmark E350d and E352dn are monochrome laser printers designed for single users or small workgroups This book contains information on E350d and E352dn For information on E250d and E250dn see the 4512 220 230 service manual Model There are two mo
42. 00 V ac 240 V ac for the 220 V printer FRU Action Unplug the printer Remove the LVPS HVPS and check the fuses for continuity If open replace the LVPS HVPS AN f not open check the switch continuity across its conductors with the switch on Turn the switch off Plug the AC line into the LVPS HVPS and switch unit on Note Voltages may be exposed at several places on the board Do these verifications and LVPS HVPS then unplug the card Verify 24 V dc on pins 8 9 and 10 at PCN1 Verify approximately 3V on pins 1 3 Verify approximately 5V on pins 4 and 13 If voltages are not correct replace the LVPS HVPS If voltages are correct check the controller card See Controller card service check on page 2 17 Fuser service check When toner is partially fused to the media it is usually caused by low fuser temperature The line voltage to the printer must be within the following limits 100 V ac 127 V ac for the 110 V model printer 200 V ac 240 V ac for the 220 V model printer This printer uses a belt fuser and therefore does not have a lamp Fuser service check FRU Action Unplug the printer and disconnect the fuser cable plug from the LVPS HVPS board connector at PCN5 AN Check for continuity across the fuser by checking across the connector pins If there is continuity check the LVPS HVPS See LVPS HVPS service check on page 3 20 Fuser power cable LVPS
43. 1 27 Page at fuser nip before fuser reached acceptable operating temperature Page arrived at fuser earlier than expected so it was probably staged 202 00 Paper jam around exit sensor 202 01 Exit sensor never broke on the trailing edge of the sheet at the exit sensor 202 02 Exit sensor never broke from sheet ahead of page heading toward the exit sensor 202 06 Exit sensor bounced 202 13 Exit sensor covered media not expected media not in machine during warm up 202 25 Exit sensor never broke from the sheet ahead of the page heading toward the exit sensor when feeding out the media detected during warm up 202 26 Trailing edge never cleared exit sensor when feeding out media that was detected during warm up 202 32 Long media or shingled multi feed stopped before sending to duplex 231 00 Duplex jam while reversing into the device 231 01 Duplex sensor never made by leading edge reversing into the duplex 231 02 Bouncy duplex sensor never made 232 00 Duplex jam while staging in the device 232 01 Duplex sensor never broke by the sheet ahead after reversing into the duplex 232 02 Page in duplex ahead of current reversing page never staged 233 00 Duplex jam while picking from the device 233 01 Page in duplex never picked 233 02 Feed error picking from the duplex 233 03 Paper never reached the input sensor but was detected at the manual feed sensor 234 01 Duplex sensor covered during warm up
44. 12 420 430 Media skews FRU Action Paper feed pick tires tray 1 Check tires for debris If tires are new try reversing each on its hub Paper feed pick tires tray 2 Tray 1 Tray 2 option Check side guides on Tray 1 and Tray 2 Guides set for a full stack of media may be too wide when the stack is short Media trees wrinkles stacks poorly or curls FRU Action Fuser This problem is most likely due to a worn backup roll It causes the printer to run hotter than required for the media being printed Excessive heat can cause media treeing problems poor stacking or curl Print the menu sheet found under Utilities Look at the media settings Some such as card stock or rough texture may require a higher fuser temperature which leads to more of these problems except stacking in plain paper Change settings using the printer driver Use the local printer setup utility included on the CD to change the NVRAM settings Try a different ream of paper Moist media has a higher tendency to crease treeing and curl Parallel or USB port service check 1 PON Perform a print test to make sure the printer prints correctly Verify that the indicator light is on then print the menu settings by selecting Print Menu under Utilities Be sure the printer parallel cable is designed for bidirectional printing Be sure the user s application is set up correctly If the
45. 5 LSU HSYNC 2 3 Signal 4 Ground J17 1 4 Signal 3 2 V dc Main motor 5 Ground 6 5 7 9 24 Less than 24 19 1 6 Signal LVPS HVPS 7 Ground 8 9 24 V dc 10 11 15 Signal 12 14 Ground 13 5V dc J20 1 Less than 5 V dc dc Manual feed sensor 2 5Vdc 5Vdc 3 Ground J21 1 4 24 V dc Manual feed solenoids 1 3 24 V dc 2 4 0 V dc J22 1 4 5 Signal Tray 2 2 3 24 V dc 6 Ground J25 1 Less than 5 V dc 5 dc Paper feed and duplex sensors 2 5Vdc 5V dc 4 Less than V dc 5Vdc 5 5 5 3 6 Ground Locations and connections 5 3 4512 420 430 Connectors System board Connector Pin no Signal J1 USB Port G1 Ground 1 USB 5 V dc 2 USB D 3 USB D 4 Ground G2 Ground 5 4 Lexmark E350d E352dn 4512 420 430 6 Preventive maintenance This chapter describes procedures for printer preventive maintenance Follow these recommendations to help prevent problems and maintain optimum performance Safety inspection guide The purpose of this inspection guide is to aid you in identifying unsafe conditions If any unsafe conditions exist find out how serious the hazard could be and if you can continue before you correct the hazard Check the following items Damaged missing or altered parts especially in the area of the On Off switch and the power supply Damaged missing or altered covers especially in the area of the top cover and the power
46. 512 420 430 Printhead assembly mechanical adjustment A printhead needs to be correctly positioned after it has been removed Align it to the frame or use the same position as the removed printhead An indicator is located at the front right hand screw for reference Note Skew is caused by a sheet being fed through the printer while misaligned The entire image is rotated relative to the sheet edges However a mechanically misaligned printhead causes the horizontal lines to appear skewed while the vertical lines remain parallel to the vertical edges Paper feed Printhead skew misalignment There are no adjustments for skew Check the pick roll paper pick assembly for wear the paper path for obstructions the fuser for proper setting and the tray paper guides for fit to the media To adjust the printhead Enter the Diagnostics Menu See Entering Diagnostics Mode on page 3 5 Select PRI NT TESTS SelectTray 1 Select Si ngl e Fold the printed test page on the left side so that a few millimeters of grid lines wrap around the outside of the fold See photo below Fold a second vertical fold near the center so that the left side top edge aligns with the right side top edge m 3 12 Lexmark E350d E352dn 4512 420 430 T If the grid lines of the right flap align below the corresponding lines on the left flap adjust the printhead clockwise relative to the printer and recheck See the l
47. 6 1 Safety inspection guide oculo o ob rh Ra eee 6 1 L ubricati n specificallOnS ueterem ttr Gomer as 6 1 EIOS esu RENE RR SER BLISS E Qo s dida e B a d d 6 1 Pans oo ci skis ice ER BRE ME E rM iM 7 1 How touse this parts Catalog edem trade pe rpm da Sr rodar Fra poatea doo aues 7 1 MET 00 033 E T 1 1 Partnumber lt dus da ERRARE ee ee ee eee ee re ee ee RA RE RE 1 5 iV Lexmark E350d E352dn 4512 420 430 Notices and safety information The following laser notice labels may be affixed to this printer as shown Laser notice The printer is certified in the U S to conform to the requirements of DHHS 21 CFR Subchapter J for Class I 1 laser products and elsewhere is certified as a Class laser product conforming to the requirements of IEC 60825 1 Class laser products are not considered to be hazardous The printer contains internally a Class 3b laser that is nominally a 5 milliwatt gallium arsenide laser operating in the wavelength region of 770 795 nanometers The laser system and printer are designed so there is never any human access to laser radiation above a Class level during normal operation user maintenance or prescribed service condition Laser Der Drucker erf l
48. 7 03 Main fan took too long to ramp up 927 04 Main fan is under speed or stalled during speed adjustment state 927 05 Main fan overspeed during speed adjustment state 927 06 Main fan capture data is invalid and speed control is at maximum in fan control idle state 927 07 Main fan capture data is invalid and speed control is at maximum in fan control adjustment state Printhead service errors 931 00 No first hsync 931 01 No first hsync 932 00 Lost hsyncs 932 01 Lost hsyncs 933 00 Printhead boost signal failure 935 10 Printhead sweep error swept through Hz range without finding the resonant frequency 935 11 Printhead sweep error autosweep hw state 935 12 Printhead sweep error coarse sweep state 935 13 Printhead sweep error init fine sweep state 935 14 Printhead sweep error fine sweep state 935 15 Printhead sweep error check prelim amp state 935 16 Printhead sweep error enable amp Kp state 935 17 Printhead sweep error amp Kp failed to converge 935 18 Printhead sweep error enable amp Ki state 935 19 Printhead sweep error amp Ki failed to converge 935 20 Printhead sweep error enable offset controller state 935 21 Printhead sweep error load scan regs state 935 22 Printhead sweep error fwd and rev capture times differ by too much 935 23 Printhead sweep error check sweep accuracy state 935 24 Printhead
49. Edition May 15 7 e S rvi ce M anua Lexmark E350d E352dn 4512 420 4512 430 e Table of contents e Start diagnostics e Safety and notices e Trademarks Index LEXMARK 4512 420 430 Edition May 15 2007 The following paragraph does not apply to any country where such provisions are inconsistent with local law LEXMARK INTERNATIONAL INC PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some states do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to you This publication could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in later editions Improvements or changes in the products or the programs described may be made at any time Comments may be addressed to Lexmark International Inc Department D22A 032 2 740 West New Circle Road Lexington Kentucky 40550 U S A or e mail at ServicelnfoAndTraining Lexmark com Lexmark may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you References in this publication to products programs or services do not imply that the manufacturer intends to make these available in all cou
50. FF Wait for the message to clear Invalid Engine Code Download valid engine code to the printer Invalid Standard Network Code The code in an internal print server is not valid The printer cannot receive and process jobs until valid code is programmed into the internal print server Download valid code to the internal print server Note The network code can be downloaded while this message is displayed Load manual feeder with Custom Load the specified media in the manual feed tray or multipurpose Type feeder Load manual feeder with Custom String To ignore the manual feed request and print on media already installed in one of the input sources press gt If the printer finds a tray that has media with the correct media type Load manual feeder with size and size it feeds media from that tray If the printer cannot find a tray with the correct media type and size it prints on whatever Load manual feeder with size media is installed in the default input source type Cancel the current job Diagnostics information 2 5 4512 420 430 User attendance messages Continued Message Action Load src with Custom Type gt Load src with Custom String Load src size Load src type size Load the input source with the correct type and size media Cancel the current job Mai ntenance Rep
51. On On but idle Flashing On and busy Stop x Press and release X to stop the mechanical operation of the printer The Not Ready message will appear Operation will resume when P is pressed Menu buttons is active press and release gt to step to next selection or press and The and buttons are used to enter a menu group Once a menu group C release o step to the previous selection These buttons can also be used to automatically increase or decrease 4 the desired number of copies Press and release V to initiate action on a selection Selects the menu selection displayed on the second line of the display If a menu is displayed such as Paper Menu then y opens the menu and displays the first printer setting contained in the menu If a menu item such as Paper Source is displayed then V opens the item and displays the default setting If a menu item such as Manual Feeder is displayed then V saves the selection as the new default setting for Paper Source The printer will display the Saved message momentarily and then return to the menu item level Back 5 Press and release to return to the previous menu group If at the top of the menu group the button functions as a Go button Go gt Press and release P to place the printer in the Ready state after an off line situation to exit menus to clear most messages Diagnostics information 2 3 4512 420 430 Diagram of
52. RU Action Print cartridge assembly not a FRU Developer drive coupling assembly Main gear drive Banding appears as light or dark horizontal lines on a uniformly gray page or on a page with a large area of graphics Banding is primarily due to a variation in the speed of the media as it feeds through the printer especially in the developer and transfer process It may also be a result of overly dry or moist environments With the printer off check to make sure that the laser beam is not blocked Inspect the toner cartridge and paper feed components especially the drive coupler and drive gears for debris binds or damage Toner on back of page FRU Action PC Kit not a FRU Print a menu page found under Utilities and check settings for media type Inspect the overall paper path for signs of spilled toner Gently clean the contaminated areas with a soft cloth Fuser Inspect the fuser for signs of contamination Replace the fuser as necessary Transfer roll A transfer roll contaminated with toner can cause toner to transfer to the back of pages Inspect the transfer roll for contamination and replace as necessary Diagnostics information 2 27 4512 420 430 Solving print quality problems Note Refer to the print defects guide at the end of the manual for repeating defects Print quality problems Problem Cause action Light or blurred Light print characters
53. S 40X0281 NS 40X0296 Power cord 6 foot straight Power cord 8 foot straight Argentina Power cord 8 foot straight Power 6 foot straight Israel Power cord 6 foot straight Power cord 6 foot straight Denmark Power cord 6 foot straight Brazil Power cord 1 8M straight PRC Power cord 2 5M straight Japan Power cord 1 8M straight Taiwan Ire Power cord 1 8M straight Korea Power cord 1 8M straight Australia Power cord 1 8M straight USA Canada kEurope and others United Kingdom South Africa Power 6 foot straight Switzerland Power cord 6 foot straight Traditional Italy lt Parts catalog 7 9 4512 420 430 7 10 Service Manual Index A abbreviations 1 9 acronyms 1 9 autocompensator tires 4 38 6 cables fuser power cable 4 24 Charge Roll diagnostics mode 3 21 compatibility 1 5 configuration ID 3 20 configuration menu accessing 3 1 Demo Mode 3 3 Energy Conserve 3 3 entering 3 2 Exit Config Menu 3 4 Factory Defaults 3 3 menus 3 2 Panel Menus 3 3 PPDS Emulation 3 3 Prt Quality Pgs 3 3 Reset PC Ont 3 2 control panel 1 2 controller card removal 4 13 service check 2 17 D Defaults US Non US defaults 3 19 Demo Mode 3 3 diagnostic information 2 1 diagnostics mode 3 1 available tests 3 5 Base Sensor Test 3 18 EP Setup Charge
54. Test See LCD Test on page 3 15 Button Test See Button Test on page 3 15 DRAM Test See DRAM Test on page 3 15 DUPLEX TESTS Quick Test See Quick Test on page 3 16 Top margin See Top Margin on page 3 16 Left Margin See Left Margin on page 3 16 Sensor Test See Sensor Test on page 3 16 Duplex Feed 1 See Duplex Feed 1 on page 3 17 INPUT TRAY TESTS Feed Tests See Feed Tests input tray on page 3 17 Sensor Test See Sensor Test input tray on page 3 18 BASE SENSOR TEST Front Door See Front Door front access door sensor on page 3 18 Input See Input input sensor on page 3 18 Output See Output exit sensor on page 3 18 PRINTER SETUP Defaults See Defaults on page 3 19 Page Count See Page Count on page 3 19 Perm Page Count See Perm Page Count permanent page count on page 3 19 Serial Number See Serial Number on page 3 20 Diagnostic aids 3 5 4512 420 430 Diagnostics mode tests Continued Engine Setting 1 through 4 See Engine Setting 1 through 4 on page 3 20 Model Name See Model Name on page 3 20 Configuration ID See Configuration ID on page 3 20 Edge to Edge See Edge to Edge on page 3 20 Par S Strobe Adj See Par S Strobe Adj parallel strobe adjustment on page 3 20
55. WE Shipped With Equipment USB Universal Serial Bus V ac Volts alternating current V dc Volts direct current General information 9 4512 420 430 1 10 Lexmark E350d E352dn 4512 420 430 2 Diagnostics information Start CAUTION Unplug power from the printer before connecting or disconnecting any cable assembly or electronic card This is a precaution for personal safety and to prevent damage to the printer This chapter contains the codes and diagnostic tools to aid in providing corrective action for a malfunctioning printer To determine the corrective action to repair a printer look for the following information Adescription of a problem see Symptom tables on page 2 15 Information from the operator panel of the printer Models E350d and E352dn have an operator panel with messages See Overview of the operator panel and menus on page 2 2 Power On Self Test POST sequence The following is an example of the events that occur during the POR sequence when the printer is turned on 1 Diamonds are displayed on the operator panel 2 While code is being loaded into DRAM dots scroll across the operator panel 3 A screen is displayed with the memory and processor speed A typical example of this message is 32 Mb 366 Mhz 4 Performing Self Test is displayed 5 Busy is displayed 6 Close Door will be displayed if the cover is open 7 Any cartridge errors such as Defective Cartridge a
56. aaa i 7 5 LVPS HVPS card assembly 220 V acae ames mesa a ia a a m a 7 5 Duplex drive gear I III III III 7 7 Transfer roll bearings gear spring CBM Manual input sensor assembly 7 5 Developer drive access door link 7 7 Main drive gear assembly 7 5 Developer drive coupling assembly 7 7 Manual feed clutch CBM T T Media feed ACM clutch CBM 7 7 00 21 ee Miscellaneous cable assemblies 7 5 Part number index 1 5 4512 420 430 40 2834 40 2835 40 2836 40 2837 40 2838 40 2839 40 2840 40 2841 40 2842 40X2843 40X2844 40X2845 40X2846 40X2847 40X2848 40X2849 40X2850 40X2853 40X2854 40X2855 40X2856 40X2857 40X2858 56P1820 56P2076 7377298 Media exit guide assembly Top cover assembly includes narrow media sensor Left side cover
57. aced To reset the page count 1 Select Page Count from the PRINTER SETUP menu Page Count 1234567 2 The leftmost number blinks Use Menu to increase or decrease the number and press V to move to the next digit to the right Continue until the correct number displays To skip a number without changing it press V When V is pressed after the last digit the number is saved Perm Page Count permanent page count The permanent page count can only be viewed and cannot be changed To view the permanent page count 1 Select Perm Page Count from PRINTER SETUP 2 Press Return to return to PRINTER SETUP Diagnostic aids 9 4512 420 430 Serial Number The serial number can only be viewed and cannot be changed To view the serial number 1 Select Serial number from PRINTER SETUP 2 Press Return to return to PRINTER SETUP Service Tag only on some printers The service tag number can only be viewed and cannot be changed 1 Select Service Tag from the PRINTER SETUP menu 2 Press Back to return to PRINTER SETUP Engine Setting 1 through 4 Warning Do not change these settings unless requested to do so by your next level of support Model Name The serial number can only be viewed and cannot be changed Configuration ID The configuration ID is used to communicate characteristics of certain areas of the printer that cannot be determined by hardware sensors The configuration ID was originally set when
58. afety inspection guide 6 1 sensors cover open 4 15 Serial Number 3 20 service checks 2 17 controller card 2 17 cooling fan 2 18 cover interlock switch 2 18 dead machine 2 19 fuser 2 19 LVPS HVPS 2 20 main motor 2 20 operator panel 2 21 paper feed 2 21 paper jam during POST 2 21 paper never picks 2 22 paper picks but stops 2 22 paper picks during POST 2 21 paper picks sheets 2 22 paper trees curls 2 23 parallel port 2 23 print quality 2 24 black page 2 25 blank page 2 24 heavy background 2 25 image density 2 26 light print 2 27 partial blank image 2 26 poor fusing of image 2 26 toner on back of page 2 27 white or black lines 2 27 printhead 2 31 transfer roll 2 31 service error codes 2 12 service menus 3 1 special tools 1 8 specifications connectivity 1 5 input trays 1 4 memory 1 3 operating systems 1 5 photoconductor capacity 1 4 print media 1 6 print speed 1 3 toner capacity 1 4 start 2 1 strobe adjustment 3 20 symptom tables 2 15 POST 2 15 printer 2 16 T test pages Print Quality Pages 3 14 Quick Test 3 7 tires removal 4 38 tools 1 8 Top Margin 3 7 Transfer 3 21 transfer roll parts catalog 7 7 removal 4 42 service check 2 31 translated label 1 2 U user attendance messages 2 5 4512 420 430 Index 1 3 4512 420 430 1 4 Lexmark 3500 E352dn 4512 420 430 Part number index 40X0270 40X0271 40X0274 40X0275 40X0276 40X0277 40X0278 40X0279 40X0280 40X0281 40X0282 40X0287
59. age on page 2 24 Black page See Black page on page 2 25 Heavy background See Heavy background on page 2 25 Light print See Light print on page 2 27 White or black lines or bands See White or black lines or bands on page 2 27 Toner on back of page See Toner on back of page on page 2 27 Media never picks See Media never picks on page 2 22 Media feeds continuously See Media picks during POST and or continuously on page 2 21 Media wrinkled or bent See Media trees wrinkles stacks poorly or curls on page 2 23 Dead machine no power See Dead machine service check on page 2 19 Print quality problems Light print Blurred characters Toner on both sides of media Toner not fused Streaks Blank pages See Solving print quality problems on page 3 28 2 16 Lexmark E350d E352dn 4512 420 430 Service checks A Service checks which involve measuring voltages the LVPS HVPS low voltage power supply high voltage power supply board should be performed with the printer positioned on its back side Note When making voltage readings always use frame ground unless another ground is specified See the wiring diagram in the back of the book for more information Controller card service check Controller card service check FRU Action Controller card assembly Warning Do not rep
60. ap the right side into position Use the spring hook from below the printer to anchor the front of the spring Repair information 4 45 4512 420 430 Wear strip removal tray 1 1 Hold the tray with the bottom up 2 Use a spring hook to unfasten each of the anchors on the back of each strip 3 Remove the strip from inside the tray Wear strip removal tray 2 1 Pull up the strip with the spring hook to free it at the top 2 Lift the strip out 4 46 Lexmark E350d E352dn 4512 420 430 Note When replacing the strip Push the strip up with your thumb to make sure that the strip is in place Turn the tray over so that you are looking at the bottom of the strip Using the spring hook check to make sure that the end of the strip is secure and the strip is fastened tightly Repair information 4 47 4512 420 430 4 48 Lexmark E350d E352dn 4512 420 430 5 Locations and connections Locations Front view 150 sheet output Paper support Control panel and menu buttons S d Front door Manual feeder 250 sheet tray 550 sheet drawer optional Rear view Rear exit Power button Power connect Dust cover not available for some models USB connect Parallel connect Ethernet connect Locations and connections 5 1 4512 420 430 Controller card connector pin values Note See the wiring diagram at back of book These values were measured with all conne
61. city sheets Input tray 1 A4 A5 A6 grain Plain paper bind 60 90 g m 250 paper long only JIS B5 letterhead x 250 sheet tray vn transparencies 16 24 Ib 30 labels executive folio paper labels single 50 transparencies statement sided only Universal 2nd Drawer option A4 A5 JIS B5 Plain paper bond 60 90 g m 550 paper letter legal letterhead 550 sheet drawer executive folio transparencies 16 24 Ib statement paper tables single 50 transparencies Universal sided only Manual feeder A4 A5 A6 grain Plain paper 60 163 g m 1 long only JIS B5 transparencies 16 43 letter legal paper labels single executive folio sided only statement Universal Card stock 120 163 g m 16 43 1 Index Bristol 75 163 g m 46 100 Ib Tag 7 3 4 9 10 DL Envelopes 75 g m 20 Ib C5 B5 1 Universal size ranges Manual feeder 76 216 x 127 356 mm 3 0 8 5 x 5 0 14 0 in includes 3 x 5 in cards Grain short is recommended Use rear exit for best results Capacity for 20 lb print media unless otherwise noted Use for occasional printing only 1 6 Lexmark E350d E352dn 4512 420 430 Tips on preventing jams Paper path G Measurements are approximate paper lengths millimeters Sensors are measured at rotation position which they are tripped A Paper path A B 117 8 B Manual feed sensor B C 9 6 C Upper
62. ctions made plugged or with only one connector at a time unplugged to expose the pins Always disconnect and connect with the printer power off Otherwise the values below may not match Connector Pin Value cableplugged Value cable unplugged if different Comments J1 Signal Ground Smart chip J2 Less than 5 V dc Ground Signal Toner level sensor J3 p Signal 5 N Ground 3 3 V dc Operator panel J4 Ground 24 V dc Cooling fan J5 Co Signal gt A N Ground LSU drive J6 N 5 Less than 1 V dc Co Ground 0 Ground Front cover open switch Cover closed Cover open J8 2 4 7 Ground 10 5 1 3 5 6 8 9 Signal LSU J9 24 Less than 1 V dc Reversing solenoid J10 Less than 5 V dc 5 Ground Narrow media sensor J11 Less than 5 V dc 5Vdc Ground Exit sensor J13 5 gt Ground Thermistor 5 2 E350d E352dn 4512 420 430 Connector Pin Value Value Comments cableplugged cable unplugged if different J15 1
63. dels E350d and E352dn Both models have 32MB memory standard a parallel USB connector INA ENA option support via USB and or parallel ports and prints 35 pages per minute on letter size media 34 ppm on A4 29 ppm on legal Maintenance approach The diagnostic information in this manual leads to the correct field replaceable unit FRU or part Use the error code charts symptom index and service checks to determine the symptom and repair the failure See Diagnostics information on page 2 1 for more information See Repair information on page 4 1 to help identify parts After completing the repair perform tests as needed to verify the repair General information 1 4512 420 430 Overview of the operator panel The operator panel consists of these items A 2 line liquid crystal display LCD that shows text e Six buttons Stop X Menu with Left Menu 4 Select V and Right Menu gt Back and Go indicator light A label located on the inside front door shows the operator panel buttons An additional translated label is included in the printer box Parar Stop Stop Stop Seis Stop Stopp Le ll t s Stop 1 2 Lexmark 3500 E352dn 54 Stopp Stop Cron Stopp fu Durdur Menu Nab dka Menu Menu Valikko Menu Men Men Menu AZI Ole Meny Menu ET Men Meny HER Men Voltar Zp t Tilbage Terug Takaisin Retour
64. dentified by the part number NS Not shown in the Asm Index column indicates that the part is procurable but is not pictured in the illustration PP Parts Packet in the parts description column indicates the part is contained in a parts packet Model information used in the parts catalog Machine type and m d l Description 4512 420 Lexmark E350d 4512 430 Lexmark E352dn Parts catalog 7 1 4512 420 430 Assembly 1 Covers 7 2 Service Manual Assembly 1 Covers 4512 420 430 Asm Part Units Units Description Index number mach FRU 1 1 40X2835 1 1 Top cover assembly includes narrow media sensor 2 40X2812 1 1 Top cover right flag 3 40X2839 1 1 Rear upper and lower cover assembly 4 40X2858 1 1 Legal extender dust cover 5 40X2837 1 1 Right side cover 6 40X2843 1 1 Optional media drawer assembly 7 40X2844 1 1 Tray 2 assembly 8 40X2855 1 4 Tray 2 wear strips 9 40X2854 1 4 Tray 1 wear strips 10 40X2842 1 1 Main tray 11 40X2836 1 1 Left side cover 12 40X2815 1 1 LCD bezel cover E350d 12 40X2816 1 1 LCD bezel cover E352dn 13 40X2840 1 1 Front access cover assembly Parts catalog 7 3 4512 420 430 Assembly 2 Electronics 7 4 Service Manual Assembly 2 Electronics 4512 420 430 Asm Part Units Units Description Index number mach FRU 2 1 40 2803 1 LSU E350d E352dn printhead 2 40X2800 1 Fuser assembly 110
65. does not appear 1 Select Panel Menus from the CONFIG MENU 2 Select Disable to make menus in the Ready Menu Group inaccessible To change the setting select Panel Menus and select Enable to make the menus available PPDS Emulation This menu lets you turn on PPDS emulation if desired 1 Select PPDS Emulation from CONFIG MENU 2 Select Activate to enable PPDS emulation and Deactivate to turn it off Demo Mode This menu item lets you turn demo mode on or off 1 Select Demo Mode from CONFIG MENU 2 Select Activate to turn the demo mode on or Deactivate to turn demo mode off Factory Defaults This menu lets you restore the printer settings to their factory default values 1 Select Factory Defaults from the Configuration Menu 2 Select either Restore Base or Restore Network Restore Network is only available if an integrated network adapter is installed Energy Conserve Select On to allow access to the Power Saver menu If you select Off an additional item appears in the Power Saver menu Disable lets you enable or disable Power Saver from the customer menu Event Log Selecting EVENT LOG provides a history of printer errors The most recent error displays in position 1 and the oldest error displays in position 10 if 10 errors have occurred If an error occurs after the log is full the oldest error is discarded Identical errors in consecutive positions in the log are entered All 2xx and 9xx error messages are s
66. e errors that have occurred Repeating jams or jam messages can be caused by any of the following Faulty contaminated pick solenoids or worn cams of the solenoids Faulty contaminated flags or springs Debris in the paper path Media not of the specified length Paper jam error codes 200 series Error Description 200 00 Paper jam around input sensor 200 01 Classic input jam The media is too long over the input sensor Possible causes include multi sheet feed tray size sensing problem and media slippage 200 02 The main input sensor never became uncovered from the sheet ahead 200 03 The video never started on the page at the input sensor within two inches after hitting the input sensor 200 04 The media at the input sensor before interrupt occurred not enough time elapsed since the printhead started to expect the printhead mirror motor lock Possible causes include bouncy sensor or exceptionally fast pick perhaps due to media pre staged in the source tray 200 06 Imaged page not expected page bouncy passthru sensor 200 08 Media reached the input sensor before the EP was ready 200 09 Transfer servo never started 200 12 Media detected at manual feeder sensor when not expected Possible causes include user insert of media when motor is running or pre staged media in the tray 200 13 The input sensor is covered when the media is not expected med
67. e input tray sensors are working correctly Observe the paper path as blank media is being fed through the printer The front access door cannot be opened during the feed test To observe the paper path open the door cover to access the manual feeder Any media that meets the specifications for the printer can be used for this test To run the Input Tray Feed Test 1 Open the manual feeder door Note Do not open the front cover 2 Select the Feed Test from the INPUT TRAY TESTS menu 3 Select the input source Only installed sources display but may include Tray 1 Tray 2 and Manual Feeder 4 Select Single to feed a single blank sheet or Continuous to feed blank sheets until you press Return or Stop The selected input source appears on the display lt input source gt Feeding Diagnostic aids 3 17 4512 420 430 Sensor Test input tray This test is used to determine if the input tray sensors are working correctly 1 Select the Sensor Test from the Input Tray Test menu 2 Select the input source Only installed sources display but may include Tray 1 Tray 2 and Manual Feeder input Testing Tray 2 TPz0P TP refers to tray present sensor P refers to pass thru sensor indicates the sensor is open CL indicates the sensor is closed Not all sources have the same set of sensors The table below indicates which sources should display which sensors 3 Alist of
68. e the least possible body movements to prevent an increase of static electricity from clothing fibers carpets and furniture ESD wrist strap on your wrist Connect the wrist band to the system ground point This discharges any static electricity in your body to the printer Hold the ESD sensitive part by its edge connector shroud cover do not touch its pins If a pluggable module is being removed use the correct tool Do not place the ESD sensitive part on the MFP cover or on a metal table if the ESD sensitive part needs to be put down for any reason first put it into its special bag Machine covers and metal tables are electrical grounds They increase the risk of damage because they make a discharge path from your body through the ESD sensitive part Large metal objects can be discharge paths without being grounded Prevent ESD sensitive parts from being accidentally touched by other personnel Install machine covers when the machine is not being worked on and do not put unprotected ESD sensitive parts on a table f possible keep all ESD sensitive parts in a grounded metal cabinet case extra careful in working with ESD sensitive parts when cold weather heating is used because low humidity increases static electricity Removal procedures Note Remove the toner cartridge and media tray before removing other printer parts The toner cartridge should be protected from light while out o
69. eft side of the figure below If the grid lines of the left flap align below the corresponding lines of the right side adjust the printhead counterclockwise See the right side of the figure below 8 After obtaining a properly adjusted image on the paper tighten all three screws Note The printhead must be aligned electronically See Printhead assembly electronic adjustment on page 3 8 Diagnostic aids 3 4512 420 430 Quick Test The Quick Test contains the following information Print registration settings Alignment diamonds at the top and bottom Horizontal lines to check for skew General printer information including current page count installed memory serial number and code level To print the Quick Test page Note Print the Quick Test Page on letter or A4 paper 1 Select REGISTRATION from the Diagnostics menu 2 Press Go Once the Quick Test Page completes printing the Registration screen displays again Print tests Input source tests Input source print tests can verify that the printer can print on media from the installed input sources Only installed sources appear in the menu To run the input source test 1 Select PRINT TESTS from Diagnostics Mode 2 Select the input source from the sources displayed on the menu All installed sources are listed Menu selections Description Tray 1 Standard tray Tray 2 Optional tray If installed 3 Selec
70. end feed rolls C D 60 5 D Input sensor D E 49 0 E Transfer roll E F 110 7 F Fuser F G 26 9 G Fuser exit rolls G H 6 2 H Fuser exit sensor H I 127 2 Exit rolls l J 26 4 J Exit sensor l K 217 4 K Duplex unit K L 102 5 L Duplex sensor L M 16 2 M Auto compensator M B 178 9 General information 1 7 4512 420 430 Most paper jams can be avoided by correctly loading paper and specialty media in the printer The following hints can help prevent paper jams Use only the recommended print media Do not overload the print media sources Make sure the stack height does not exceed the maximum height indicated by the stack line on the labels in the sources Do not load wrinkled creased damp or curled print media e Flex fan and straighten print media before loading it If jams do occur with the print media try feeding one sheet at a time through the manual feeder Do not mix print media sizes weights or types in the same print media source e Push all trays in firmly after loading them Note Make sure the media stack is below the maximum media fill indicators on the 250 sheet tray before pushing the tray into the printer Make sure paper guides are positioned before loading the paper or specialty media Do not remove trays while a job is printing Before loading transparencies fan the stack to prevent sheets from sticking together Do not use envelopes that Have excessive curl Are stuck together
71. erly 2 30 Lexmark M E350d E352dn 4512 420 430 Print quality problems Continued Problem Cause action Unexpected characters print or characters are missing Ensure correct printer driver is being used Select hex trace mode to determine what the problem is Restore factory defaults Make sure the parallel cable or USB cable is firmly plugged in at the back of the printer Jobs are not printing and an error message is displayed The printer is waiting for an appropriate command Make sure the print cartridge assembly is installed properly Make sure the printer front cover is closed While in PostScript 3 emulation the printer is flushing data an error message is displayed Ensure the correct PostScript driver is being used The printer doesn t have enough memory to print the job Install more memory Printhead service check FRU Action Turn the printer off Disconnect the printhead cables from J8 and J15 on the controller card AN Turn the printer on with the front door closed On the controller card verify 5 V dc on pin 10 at J8 and 5 V dc on pins 1 and 2 at J15 Printhead Note New printhead must be aligned See Printhead assembly electronic adjustment on page 3 8 Verify grounds on pins 2 4 and 7 at J8 and on pin 4 at J15 f voltages or grounds are incorrect check the controller card See Controller card
72. erprodukter er ikke betrakte som farlige Skriveren inneholder internt en klasse 3b laser som best r av en gallium arsenlaserenhet som avgir str ling i b lgelengdeomr det 770 795 nanometer Lasersystemet og skriveren er utformet slik at personer aldri utsettes for laserstr ling ut over klasse l niv under vanlig bruk vedlikehold som utf res av brukeren eller foreskrevne serviceoperasjoner Av s sobre el L ser Segons ha estat certificat als Estats Units aquesta impressora compleix els requisits de DHHS 21 CFR apartat J pels productes l ser de classe 1 i segons ha estat certificat en altres llocs s un producte l ser de classe que compleix els requisits d IEC 60825 1 Els productes laser de classe no es consideren perillosos Aquesta impressora cont un l ser de classe IIIb 3b d arseni r de gal li nominalment de 5 mil liwats i funciona a la regi de longitud d ona de 770 795 nan metres El sistema l ser i la impressora han sigut concebuts de manera que mai hi hagi exposici a la radiaci laser per sobre d un nivell de classe durant una operaci normal durant les tasques de manteniment d usuari ni durant els serveis que satisfacin les condicions prescrites Notices and safety information 4512 420 430 viii ot 5 107 9 16 KBCADHHS 21 77 2 7 0 02 5 21 1 086608 127 2 65 5 34 6 3 1 560 82 56 LEFF ALOV YV WMECHSCEMEWSNTTOET
73. f the printer We recommend disconnecting all external cables from the printer to prevent damage during service Unless otherwise stated reinstall the parts in reverse order of removal When reinstalling a part held with several screws start all screws before final tightening Repair information 1 4512 420 430 Front access cover removal Remove Tray 1 Open the front access cover Open the rear door and the right side cover Loosen the four screws and remove the controller card cover Disconnect the operator panel cable A from J3 on the controller card 6 Extract the cable and unhook the access cover pressing the right hinge to the right until it can be lifted up and away from its pivot Relax the hinge above the pivot T In the same manner move the left hinge from its pivot point 4 2 Lexmark M E350d E352dn 4512 420 430 8 Tilt the front cover down and disconnect it on the left side from the link Warning Make sure that the link is not bent or pulled out farther than normal Otherwise the toner cartridge coupler may become dislodged 9 Remove the front access cover Repair information 4 3 4512 420 430 Left side cover removal Remove Tray 1 Open the front access cover Open the rear door Remove the screw A Unlatch the cover from the latches B mon B A 6 Position the printer with the left rear corner hanging over the edge of the table 7 Swing the cove
74. front frame assembly 10 40X2830 1 1 Manual feed clutch CBM 11 40X2831 1 1 Media feed ACM clutch CBM 12 40X2832 1 1 Media level indicator CBM 13 40X2825 1 1 Developer drive access door link 14 40X2829 1 1 Developer drive coupling assembly 15 40X2821 1 1 Duplex drive gear CBM NS 40X2847 1 1 110 V maintenance kit NS 40X2848 1 1 220 V maintenance kit NS 40X2849 1 1 100 V maintenance kit Note Kit contains the following Fuser 40X2800 40X2801 or 40X2802 Exit guide 40X2834 Tray 1 ACM feed tires 56P 1820 Transfer roll CBM 40X2822 NS 7377298 1 Field location package assembly NS 40X2817 1 2 Tray 2 paper feed tire Parts catalog 7 7 4512 420 430 Assembly 4 Options Asm Part Units Units Index number mach FRU Description NS 40X1512 NS 40X1513 NS 40X1514 NS 40X1515 NS 40X1364 NS 40X1365 NS 40X1366 NS 40X1454 NS 40X1367 NS 40X1368 Japanese font card assembly Simplified Chinese font card assembly Traditional Chinese font card assembly Korean font card assembly 32MB SDR DIMM 64MB SDR DIMM 128 MB SDR DIMM 32 MB flash card assembly Parallel cable packaged 3 m USB cable packaged 2 m 7 8 Service Manual Assembly 5 Power cords 4512 420 430 Asm Part Units Units Index number mach FRU Description NS 40X0289 NS 40X0278 NS 40X0288 NS 40X0271 NS 40X0275 NS 40X0274 NS 40X0276 NS 40X0287 NS 40X0279 NS 40X0277 NS 40X0282 NS 40X0270 NS 40X0280 N
75. g for page from tray 1 to reach the input sensor after multiple pick attempts but the page was later detected at the input sensor while waiting for any page s ahead to clear the paper path Possible cause is that the page is delayed at the alignment gate 200 35 Failed to create hsync during auto alignment 200 36 Lost hsyncs during auto alignment 200 37 Timeout on data collection during auto alignment 200 38 Interpage servo gap is smaller than expected for printhead offset target evaluation 201 00 Paper jam between input and exit sensor 201 01 Transport motor identification failed to identify either motor after two tries 201 02 Exit sensor never made by leading edge of page Also known as internal jam 201 03 Video never started on the page at the input sensor within two inches after hitting the input sensor 201 05 Restart attempted after an internal jam without the cover open close event It is likely that the jam was never cleared 201 25 Exit sensor never made by leading edge of media when feeding out the media that was detected during warm up 201 26 Page at fuser nip before fuser started ramping toward desired temperature Indicates code may be receiving more hall interrupts than intended Diagnostics information 2 9 4512 420 430 Paper error codes 200 series Continued Error Description 20
76. he front access door from its hinges See Front access cover removal on page 4 2 Note The cover does not need to be electrically disconnected 4 5 Disconnect the link and door 6 Remove the developer link Repair information 4 25 4512 420 430 LVPS HVPS card assembly removal 1 Remove the rear cover See cover removal on page 4 6 2 Place the printer onto its top with the back and bottom in view Note Be careful not to mar the finish of the printer 3 Remove the four screws A the machine screw B and the machine screw C 4 Unhook the red cable D located in the left side frame 4 26 Lexmark E350d E352dn 4512 420 430 6 Rotate the assembly and unplug the remaining cables 7T Remove the assembly Re installation note When re installing the LVPS HVPS assembly sure to locate the rear flange of the card bracket inside of the shield prior to rotating the card assembly into final position CAUTION Make sure that the mylar card is located inside the overlapping flanges to avoid damage to the printer e tis easy for the cables to become pinched during re installation Make sure that the cables are free during re installation Repair information 4 27 4512 420 430 Main motor drive removal 1 Open the left side cover See Left side cover removal page 4 4 for more information 2 Tilt the printer onto its right side and remove the six
77. he printer off Note Refer to the print defects guide at the end of the manual for repeating defects Blank page FRU Action Toner cartridge not a Remove the toner cartridge and gently shake it to evenly distribute the toner FRU Check for cartridge damage Blank pages can be caused by a defective printhead assembly LVPS HVPS or controller card AN Printhead errors typically result in printer service errors unless there is blockage of the beam or dust on the lens Blank pages typically are caused by the PC roll not being properly charged Try Printhead different PC kit LVPS HVPS Unplug the printer and check the cable continuity between the LVPS HVPS connector Controller card marked OPC at PCN 2 and the corresponding wire form spring found about 14 mm above and to the right of the transfer roll gear fthere is not continuity call the next level of service Try a different toner cartridge and PC kit f those fail replace the LVPS HVPS controller card or the printhead in that order Also see Solving print quality problems on page 3 28 2 24 Lexmark E350d E352dn Black page 4512 420 430 Note Incorrect laser exposure or incorrect charging of the photoconductor causes an all black page Always verify the same results from a different print cartridge assembly and developer before proceeding FRU Action Toner electrodes not a FRU Check the three rear
78. hite lines may be caused by the laser beam which may be partially blocked With the printer off clear the path or clean the lens The toner cartridge or fuser may be defective Try a different toner cartridge Inspect the fuser at its entry for debris Horizontal streaks The toner cartridge or the fuser may be the cause due to excessive page count or defect Replace as needed If the lines are parallel and match the two intended ghost images the Form Type may be incorrectly set Check those settings The PC cleaner sump may be full Replace the PC kit 2 28 Lexmark E350d E352dn 4512 420 430 Print quality problems Continued Problem Cause action Toner smears or rubs off the page Toner is not being fused to the paper Replace the fuser Change the media texture setting in the driver If special media is being used such as card stock or labels be sure to select the correct media type Try a different kind of paper Paper designed for copiers gives the best quality fusing The print is getting light but the printer has not indicated it is Toner is becoming low in the cartridge TheToner Low message does not display if the 1 500 page toner cartridge is installed Remove the toner cartridge and gently shake it from side to side to redistribute the low on toner toner Replace the toner cartridge TheToner Low Remove the toner cartridge and gently shake it from side to side to redist
79. ia in machine during warm up 200 14 Trailing edge cleared manual feed but did not successfully debounce the sensor Potential causes are a small gap or a bouncy manual feed sensor 200 15 UNRECOVERABLE NO GAP JAM Engine detected no gap at the manual feeder sensor attempted to open the gap by stopping the feed rolls but no trailing edge was ever seen at the input sensor 200 16 Transport motor error detected 200 17 Took too long to ramp up transport motor 200 18 Manual feeder sensor never became uncovered from the sheet ahead 200 19 The media never reached the input sensor but was detected at manual feeder sensor 2 8 Lexmark E350d E352dn 4512 420 430 Paper jam error codes 200 series Continued Error Description 200 20 The media is too long over the manual feeder sensor Possible causes include multi sheet feed media size length problem pre staged media in the tray 200 22 FAILED SMALL GAP OR NO GAP JAM RECOVERY Engine detected small gap or no gap at the manual feeder sensor opened the gap by stopping the feed rolls but never saw the leading edge of the second page at the input sensor 200 23 Laser Servo never started due to potential conflict with the transfer servo Possible causes slow or missing transport motor positional feedback or the media is transferred too quickly to the input sensor 200 24 The meas
80. ibing the current state of the printer and indicates possible printer problems that must be resolved This topic provides a list of all printer messages explains what they mean and tells how to clear the messages The following table lists the messages in alphanumerical order A message can also be located using the index User attendance messages Message Action Acti vati ng Demo Mode Wait for the message to clear Acti vati ng Menu Changes Wait for the message to clear Acti vati ng Deacti vati ng PPDS Wait for the message to clear Busy Wait for the message to clear or cancel the print job Cancelling Job Wait for the message to clear Change Cartridge Invalid Refill The printer has detected an unsupported refilled cartridge Remove the indicated print cartridge and install a new one Close door Close the specified door to clear the message Deactivating Demo Mode Wait for the message to clear Defragmenting Flash DO NOT POWER Warning Do not turn the printer off while this message is displayed F SF Wait for the message to clear Disabling Menus Wait for the message to clear Note The printer settings cannot be changed from the control panel while the menus are disabled Enabling Menus Wait for the message to clear Flushing Buffer Wait for the message to clear Formatting Flash DO NOT POWER Warning Do not turn the printer off while this message is displayed O
81. idilaser joka toimii aaltoalueella 770 795 nanometri Laserj rjestelm ja kirjoitin on suunniteltu siten ett k ytt j ei altistu luokan m rityksi voimakkaammalle s teilylle kirjoittimen normaalin toiminnan k ytt j n tekemien huoltotoimien tai muiden huoltotoimien yhteydess VARO Avattaessa ja suojalukitus ohitettaessa olet alttiina n kym tt m lle lasers teilylle l katso s teeseen VARNING Osynlig laserstr lning n r denna del r ppnad och sp rren r urkopplad Betrakta ej str len Laser notis Denna skrivare r i USA certifierad att motsvara kraven i DHHS 21 CFR underparagraf J f r laserprodukter av Klass 1 andra l nder uppfyller skrivaren kraven f r laserprodukter av Klass enligt kraven i IEC 60825 1 Laserprodukter i Klass anses h lsov dliga Skrivaren har en inbyggd laser av Klass 1110 3b som best r av en laserenhet av gallium arsenid p 5 milliwatt som arbetar i v gl ngdsomr det 770 795 nanometer Lasersystemet och skrivaren r utformade s att det aldrig finns risk f r att n gon person uts tts f r laserstr lning ver Klass l niv vid normal anv ndning underh ll som utf rs av anv ndaren eller annan f reskriven service tg rd Laser melding Skriveren er godkjent i USA etter kravene i DHHS 21 CFR underkapittel J for klasse 1 1 laserprodukter og er i andre land godkjent som et Klasse l laserprodukt i samsvar med kravene i IEC 60825 1 Klasse l las
82. ies should support the transfer roll applying evenly distributed forces to the PC drum Replace the transfer roll assembly if the springs or bearings show signs of damage or fatigue Inspect the transfer roll for signs of wear damage or contamination Replace as necessary Poor fusing of image FRU Action Fuser The fuser may not be operating at the proper temperature to fuse the toner to the paper See LVPS HVPS service check on page 2 20 for more information Try changing the setting to heavier paper or even card stock Media not a FRU Make sure recommended media is being used Check the media settings in the printer driver 2 26 Lexmark E350d E352dn Light print 4512 420 430 FRU Action Toner cartridge not a FRU Make sure the toner cartridge and PC Kit are installed correctly and that the toner cartridge is not low on toner If the problem continues install a new toner cartridge Recheck condition before replacing PC Kit if necessary Transfer roll LVPS HVPS card Check the transfer roll for signs of toner buildup and contamination Inspect the HVPS contact transfer roll for contamination Verify the high voltage cable is plugged into the LVPS HVPS If all components appear free of contamination replace the following FRUs one at a time in the order shown Transfer roll LVPS HVPS card White or black lines or bands F
83. improve stacking in the output bin Range is 0 default to 255 Adjusting by one results in 9 mm of increased gap Event log Display Log Selecting EVENT LOG provides a history of printer errors The most recent error displays in position 1 and the oldest error displays in position 10 if 10 errors have occurred If an error occurs after the log is full the oldest error is discarded Identical errors in consecutive positions in the log are entered All 2xx and 9xx error messages are stored in the event log as well as the PC kit and maintenance counter resets and NVRAM resets initiated by the Factory Defaults setting in the UTILITIES menu To view the display log 1 Select Display Log from the EVENT LOG menu The error log is displayed one error per display screen For example Event 1 6 936 Svc Error This error is the first of six errors it is also the latest error This error was a 936 service error To see the second service error press y Pressing 4 will display the sixth error as shown Event 6 6 202 01 Paper Jam 2 Press Back once to exit the Display log or press twice to exit the EVENT LOG Diagnostic aids 3 21 4512 420 430 Print Log Additional diagnostic information is available when you print the error log Some of the additional information includes Detailed printer information including model and serial number Time and date stamps Page counts for each error The printed error
84. internal print test page prints correctly the user s application printer driver is set up correctly and the correct bidirectional parallel cable is installed but the printer still fails to print on command from the host computer replace the controller card Check the USB cable for continuity Diagnostics information 2 23 4512 420 430 Print quality service checks Note Ensure the cover closes tightly A gap in the opening may allow light to expose the photoconductor resulting in a dirty print Extreme environmental conditions temperatures and humidity will affect the print quality Using print quality test pages To help isolate print quality problems like streaking print test pages using the print quality test pages To print the print quality test pages 1 Enter Configuration Menu a Turn off the printer b Turn on the printer while pressing and holding Y and 5 C Release the buttons when Performing Self Test displays d The message CONFIG MENU displays e Press toPrt Quality Pgs f Press y to print the pages Four pages print to help evaluate print quality The first page has various fonts and a graphic the second page is gray with graphics the third page is black and the last page is blank 2 Use the test pages to isolate problems such as light or toner streaks See POST symptom table on page 2 15 for solutions to these problems 3 Press to Exit Config Menu and press y To exit configuration turn t
85. lace the maintenance items and if necessary reset the printer maintenance counter Menus Disabled The printer menus are disabled The printer settings cannot be changed from the control panel Note A job can still be canceled Contact a system support person Network A network interface is the active communication link Network Card Busy An internal print server also called an internal network adapter or INA is being reset Wait for the message to clear Not Ready The printer is not ready to receive or process data Someone pressed X to take the printer offline Press gt to make the printer ready to receive jobs Parallel A parallel interface is the active communication link Performing Self Test The printer is running the series of start up tests it performs after it is turned on Wait for the message to clear Power Saver Send a job to print Press gt to warm the printer to normal operating temperature and display the Ready message Printing Directory List The printer is processing or printing a directory of all files stored in flash memory Wait for the message to clear Printing Font List The printer is processing or printing a list of all available fonts for the specified printer language Wait for the message to clear Printing Menu Settings The printer is processing or printing the menu settings page Wait for the message to clear Printing Device Statistics The p
86. lace the operator panel and controller card at the same time Each card contains the printer settings When either of these cards is new it obtains some of the settings from the other card Settings are lost when both are new and replaced at the same time POST Power On Self Test Note The printer should complete POST in approximately 30 seconds If the printer fails to display lights or activate the drive motor fuser or fan check the following order 1 Power to the LVPS HVPS 2 Power from the LVPS HVPS to the controller card 3 Cables are plugged in correctly especially for the operator panel The printer will not power up without a functioning operator panel 4 The controller card assembly 5 The operator panel See Operator panel service check on page 3 21 Verify 24 V dc input from the LVPS HVPS 1 Turn the printer off Disconnect the LVPS HVPS cable from the controller card at J19 Turn the printer on Verify 24 V dc on positions 8 and 9 of the cable connector If voltage is correct check the continuity in the other conductors of the cable If the cable is good check the connectors to the controller board Verify that pins 7 and 12 on both the cable and the card connector are grounded If grounds are not correct on the cable but the cable posses continuity otherwise check the LVPS HVPS 8 If the grounds are not correct on the controller card replace the controller card Check with one p
87. lation note sure to re route the cable back through its retainer Be sure to place the toroid back over the cable Repair information 4 15 4512 420 430 Developer drive coupling assembly removal 1 Remove the left side cover See Left side cover removal on page 4 4 2 Place the machine on its right side Note Be sure to protect the machine from marring 3 Remove the six screws A the machine screw B and the ground cable screw C B 4 4 16 Lexmark E350d E352dn 4512 420 430 5 Remove the coupling spring E 6 Remove the developer drive coupling F Repair information 4 17 4512 420 430 Duplex removal Remove the right side cover See Right side cover removal on page 4 5 Remove the left side cover See Left side cover removal on page 4 4 Remove the top cover See cover removal on page 4 7 Remove the controller card See Controller card removal on page 4 13 Remove the LVPS HVPS card assembly See LVPS HVPS card assembly removal on page 4 26 Unhook the media level indicator See Media level indicator removal on page 4 33 Remove the top LVPS HVPS shield a Remove the screw A and the screw B at the controller shield b Remove the screw C opposite from screw B on the other side of the printer Note The ground cable is attached to screw C When re installing be sure to reconnect the ground cable DG
88. log can be faxed to Lexmark or your next level of support for verification or diagnosis This report can also be printed from the Configuration Menu Because you can clear error logs the contents of this log may not match the contents when you view the error log To print the error log 1 Press V to enter Print Log from the EVENT LOG menu 2 Press Back to exit the EVENT LOG menu Clear Log 1 Select Clear Log from the Error Log menu Clear Log 5 2 Select to exit without clearing the log Press Yes to confirm The log is immediately erased and the display indicates No Events Logged 3 Press Return to exit the Clear Log menu after clearing the log Exit Diagnostics Selecting EXIT DIAGNOSTICS exits the Diagnostics mode and Resetting the Printer displays The printer performs a POR and the printer returns to normal mode 3 22 E350d E352dn 4512 420 430 4 Repair information Warning Read the following before handling electronic parts Handling ESD sensitive parts Many electronic products use parts that are known to be sensitive to electrostatic discharge ESD To prevent damage to ESD sensitive parts follow the instructions below in addition to all the usual precautions such as turning off power before removing logic cards Keep the ESD sensitive part in its original shipping container a special ESD bag until the part is ready to be installed into the printer Mak
89. lt gem amtlicher Best tigung der USA die Anforderungen der Bestimmung DHHS Department of Health and Human Services 21 CFR Teil J f r Laserprodukte der Klasse 1 In anderen Landern gilt der Drucker als Laserprodukt der Klasse der die Anforderungen der IEC International Electrotechnical Commission 60825 1 gemaB amtlicher Bestatigung erf llt Laserprodukte der Klasse gelten als unsch dlich Im Inneren des Druckers befindet sich ein Laser der Klasse IIlb 3b bei dem es sich um einen Galliumarsenlaser mit 5 Milliwatt handelt der Wellen der Lange 770 795 Nanometer ausstrahlt Das Lasersystem und der Drucker sind so konzipiert da im Normalbetrieb bei der Wartung durch den Benutzer oder bei ordnungsgem Ber Wartung durch den Kundendienst Laserbestrahlung die Klasse bersteigen w rde Menschen keinesfalls erreicht Avis relatif l utilisation de laser Pour les Etats Unis cette imprimante est certifi e conforme aux provisions DHHS 21 CFR alin a J concernant les produits laser de Classe 1 Pour les autres pays cette imprimante r pond aux normes IEC 60825 1 relatives aux produits laser de Classe Les produits laser de Classe sont consid r s comme des produits non dangereux Cette imprimante est quip e d un laser de Classe 1116 3b ars niure de gallium d une puissance nominale de 5 milliwatts mettant sur des longueurs d onde comprises entre 770 et 795 nanom tres L imprimante et son syst me laser sont c
90. m Tray 1 Frictional force between tires and media is less than resisting force Remove the media from Tray 1 and fan it Make sure Tray 1 is selected from the printer driver Do not overfill the tray Check the condition of the rubber on the paper feed rolls Replace if worn or contaminated Verify that the ACM clutch is functioning correctly The media fails to feed from the optional Tray 2 Incorrect tray selection or inadequate picking force by tires Make sure the correct tray and media type are selected from the driver Make sure the tray is pushed all the way in Remove the media from the optional Tray 2 fan it and reload Check the rubber on the paper feed tires for dirt or any other debris Replace as necessary Check the paper path in the tray for burrs or debris that may hinder media movement Make sure the media does not exceed the stack height indicator Load Paper displays even though there is media loaded in the optional Tray 2 The input sensor does not sense media after picking Make sure the tray is pushed all the way in Press gt Check the feed tires See two preceding actions The printer does not print after a paper jam has been cleared The printer is waiting on the next command Clear all jams Press and release gt or open and close the printer cover to restart the printer Make sure the print cartridge assembly is installed prop
91. m the other card Critical factory settings are lost when both are new and replaced at the same time 4 36 Lexmark M E350d E352dn 4512 420 430 Paper exit guide assembly removal 1 Remove the rear cover See cover removal on page 4 6 2 Remove the one screw above the reversing solenoid See cover removal on page 4 7 3 Remove the three screws A 4 Lift the back of the top cover right side in photo to prevent the gears on the assembly from touching other items while removing especially the fuser mounting bracket 5 Remove the paper exit guide assembly Repair information 4 37 4512 420 430 Paper feed rollers autocompensator tires removal Remove Tray 1 Open or lower the duplex door Lower the ACM Remove the rubber paper feed rollers Pinch the new rubber roller into a tight radius to determine the orientation of the tire relative to the hub Notice the direction of the points on the edge Those points should be directed in the paper feed direction as shown o o LL 6 Make sure the new paper feed rollers are captured between the rims of the plastic hub T If the orientation is questionable run Print Quality sheets and check for skew 4 38 Lexmark M E350d E352dn 4512 420 430 Paper input and duplex sensor removal 1 Remove the duplex unit See Duplex removal on page 4 18 2 Remove screws A holding the two sensors
92. n 4 33 4512 420 430 5 Rotate the link and turn it to separate it from the plastic shaft C Be careful to not damage the adjacent gear C 6 Unsnap the shaft from its pivot which is attached to the back of the LVPS HVPS shield D T Align the link end of the shaft with the opening in the side frame and remove the shaft and spring anchor E 4 34 Lexmark E350d E352dn 4512 420 430 Narrow media sensor removal 1 Remove the top cover See Top cover removal on page 4 7 2 Turn the top cover upside down 3 Remove the ground strap screw A and the ground strap A 4 Remove the narrow media sensor Repair information 4 35 4512 420 430 Operator panel removal Open the front cover Remove the bezel See Bezel removal on page 4 12 Remove the screw A Remove the face plate which surrounds the bezel by unlatching the four tabs B DO NECK B 5 Close the front cover 6 Disconnect the cable C The LED operator panel connects the same as the LCD panel as shown C 7 Unlatch the four latches on the panel cover 8 Pull the bottom edge out until it slides in a downward motion out of its retainers 9 Slide the card out from the latches on top 10 Remove the operator panel Warning Do replace the operator panel and the controller card at the same time Each card contains the printer settings When either of these cards is new it obtains its settings fro
93. ndard and optional The test writes patterns of data to SDRAM to verify that each bit in memory can be set and read correctly To run the SDRAM Memory Test 1 Select DRAM Test from the menu The power indicator blinks indicating the test is in progress DRAM Test xxx Mb represents the amount of installed DRAM memory in P represents the number of times the memory test has passed and finished successfully Initially 000000 displays with the maximum pass count being 999 999 represents the number of times the memory test has failed and finished with errors Initially 00000 displays with the maximum fail count being 99 999 2 Once the maximum pass count or fail count is reached the test stops the power indicator is turned on solid and the final results display If the test fails the message DRAM Error displays for approximately three seconds and the failure count increases by 1 3 To stop the test before it completes turn off the printer The test does not terminate Diagnostic aids 3 15 4512 420 430 Duplex tests Quick Test Top Margin Left Margin Sensor Test Duplex Feed 1 These tests are used to determine if the duplex is working correctly Quick Test The Quick Test contains the following information on a duplexed page Print registration settings Alignment diamonds at the top and bottom Horizontal lines to check for
94. nnung hin die in diesem Bereich des Produkts auftreten kann Ziehen Sie vor den Arbeiten am Ger t den Netzstecker des Ger ts bzw arbeiten Sie mit groBer Vorsicht wenn das Produkt f r die Ausf hrung der Arbeiten an den Strom angeschlossen sein Pautas de Seguridad La seguridad de este producto se basa en pruebas y aprobaciones del dise o original y componentes espec ficos El fabricante no es responsable de la seguridad en caso de uso de piezas de repuesto no autorizadas La informaci n sobre el mantenimiento de este producto est dirigida exclusivamente al personal cualificado de mantenimiento Existe mayor riesgo de descarga el ctrica y de dafios personales durante el desmontaje y la reparaci n de la m quina El personal cualificado debe ser consciente de este peligro y tomar las precauciones necesarias PRECAUCI N este s mbolo indica que el voltaje de la parte del equipo con la que est trabajando es peligroso Antes de empezar desenchufe el equipo o tenga cuidado si para trabajar con l debe conectarlo Informa es de Seguran a A seguran a deste produto baseia se em testes e aprova es do modelo original e de componentes espec ficos O fabricante n o respons vel pela segunran a no caso de uso de pe as de substitui o n o autorizadas As informa es de seguran a relativas a este produto destinam se a profissionais destes servi os e n o devem ser utilizadas por outras pessoas Risco de ch
95. nter for operation See Available menus on page 3 2 Diagnostics Mode 1 Turn off the printer 2 Press and hold Go lt and Back 3 Turn on the printer 4 Release the buttons when Perf or mi ng Self Test displays The Diagnostic menu group contains the settings and operations used while manufacturing and servicing the printer See Available tests on page 3 5 Printing menus To print a listing of the states and settings of the printer 1 AttheReady prompt press p under Menu until Ut i i ti es appears 2 Press V 3 Press until Print Menus appear 4 Press Diagnostic aids 3 1 4512 420 430 Configuration menu CONFIG MENU Entering Configuration Menu Turn off the printer Press and hold V and Back 5 Turn on the printer Release the buttons when Performing Self Test displays The message CONFIG MENU displays on the top line of the operator panel OND Available menus Maint Cnt Value Maint Cnt Value on page 3 2 Reset Maint Count Reset Maint Count on page 3 2 Reset PC Count Reset PC Cnt on page 3 2 Prt Quality Pgs Print quality pages Prt Quality Pgs on page 3 3 Panel Menus Panel Menus on page 3 3 PPDS Emulation PPDS Emulation on page 3 3 Demo Mode Demo Mode on page 3 3 Factory Defaults Factory Defaults on page 3 3 Energy Conserve Energy Conserve on page
96. nting 920 06 Fuser under temperature while printing 920 07 Fuser under temperature while printing 920 08 Fuser temperature did not increase after IR recovery 920 20 Belt fuser under temperature during steady state control This can occur in printing or standby modes 921 00 Under temperature during standby control 921 01 Fuser temperature did not reach standby temperature after two attempts 922 00 Fuser failed to ramp to target temperature 922 01 Fuser did not reach standby temperature in time standby control 922 07 Media reached fuser nip and fuser is under temperature 922 08 Fuser warm up failure motor start condition 922 09 Fuser warm up failure compression set 922 20 Belt fuser failed to reach the preheat temperature for the motor to start during warm up 922 21 Belt fuser was under temperature when the media reached the fuser nip 923 00 Fuser is over temperature 923 01 Fuser is over temperature This applies to the fuser and belt fusers 924 00 Open thermistor check 924 01 Open thermistor check failure This applies to the fuser and belt fusers 2 12 Lexmark M E350d E352dn 4512 420 430 Service error codes 9xx Continued Error Description 924 02 Open thermistor check failure The ADC failed to converge Possible noisy thermistor signal This applies to the fuser and belt fusers Fan service errors 927 00 Service fan error 92
97. ntries in which it operates Any reference to a product program or service is not intended to state or imply that only that product program or service may be used Any functionally equivalent product program or service that does not infringe any existing intellectual property right may be used instead Evaluation and verification of operation in conjunction with other products programs or services except those expressly designated by the manufacturer are the user s responsibility Lexmark Lexmark with diamond design MarkNet and MarkVision are trademarks of Lexmark International Inc registered in the United States and or other countries PictureGrade is a trademark of Lexmark International Inc is a registered trademark of the Hewlett Packard Company All other trademarks are the property of their respective owners 2006 Lexmark International Inc All rights reserved UNITED STATES GOVERNMENT RIGHTS This software and any accompanying documentation provided under this agreement are commercial computer software and documentation developed exclusively at private expense P N 12G9708 4512 420 430 Table of Contents COMON EA RA Or iii Notices and safety information V ns eeu RSEN RE ES MER REP Ei Edu acti drap igi AR Safety information 2
98. od diac ag xod QUE b MR A RU UD QUAE 3 2 Reset PG Me 3 2 Print quality pages Prt Quality Pgs qam ded A sc mai de 3 3 Panel Menus oui peer E bMS REGE uM E DE EN E BEI E RR 3 3 Pros Emillati l 5222 45 2 0 0 AUR sadam Puri dd abr 3 3 Demo 06 22 25 02 REGAL ESSA RESET TEED NESE LESS 3 3 Factory Defaults 4252 55 OX BOR OEC OR CR KU RS RR RO CN 3 3 Energy Conserv i ilo oua GER S KR ee een 3 3 EV nt LOG ee ee ee XR CNRC Un EURO err ee eee 3 3 Reduced E ni a pup 3 4 USB Speed sevo ere os ex RERO RR Ca Ra CORO OR CO CR Ra 3 4 Exit Gonna Mond sss ches S E RUP 3 4 Diagnostics e Y m 3 5 Entenng Biagiosucs Mode es ede d ub xd duc ved ad uud 3 5 Available 10915 AUC 02 A ees ua BUR ace d UM a 3 5 osos bbs is tob Rot cd lenia diea eke bebe S s dati s eR FEE UP ee 3 7 acl C 3 14 Hardware 16515
99. on us pour impossible dans des conditions normales d utilisation d entretien par l utilisateur ou de r vision l exposition des rayonnements laser sup rieurs des rayonnements de Classe Avvertenze sui prodotti laser Questa stampante 6 certificata negli Stati Uniti per essere conforme ai requisiti del DHHS 21 CFR Sottocapitolo J per i prodotti laser di classe 1 ed 6 certificata negli altri Paesi come prodotto laser di classe 1 conforme ai requisiti della norma CEI 60825 1 prodotti laser di classe non sono considerati pericolosi La stampante contiene al suo interno un laser di classe 3b all arseniuro di gallio della potenza di 5mW che opera sulla lunghezza d onda compresa tra 770 e 795 nanometri Il sistema laser e la stampante sono stati progettati in modo tale che le persone a contatto con la stampante durante il normale funzionamento le operazioni di servizio o quelle di assistenza tecnica non ricevano radiazioni laser superiori al livello della classe 1 Notices and safety information V 4512 420 430 Avisos sobre l ser Se certifica que en los EE UU esta impresora cumple los requisitos para los productos l ser de Clase 1 establecidos en el subcap tulo J de la norma CFR 21 del DHHS Departamento de Sanidad y Servicios y en los dem s pa ses re ne todas las condiciones expuestas en la norma IEC 60825 1 para productos l ser de Clase 1 Los productos l ser de Clase no se consideran peligros
100. oques el ctricos e ferimentos graves durante a desmontagem e manuten o deste produto Os profissionais destes servi os devem estar avisados deste facto e tomar os cuidados necess rios CUIDADO Quando vir este s mbolo existe a poss vel presen a de uma potencial tens o perigosa na zona do produto que est a trabalhar Antes de come ar desligue o produto da tomada el ctrica ou seja cuidadoso caso o produto tenha de estar ligado corrente el ctrica para realizar a tarefa necess ria X Lexmark E350d E352dn 4512 420 430 Informaci de Seguretat La seguretat d aquest producte es basa en l avaluaci i aprovaci del disseny original i els components espec fics El fabricant no es fa responsable de les questions de seguretat si s utilitzen peces de recanvi no autoritzades La informaci pel manteniment d aquest producte est orientada exclusivament a professionals i no est destinada a ning que no ho sigui risc de xoc el ctric i de danys personals pot augmentar durant el proc s de desmuntatge i de servei d aquest producte El personal professional ha d estar ne assabentat i prendre les mesures convenients treballant s perill s Abans de comengar desendolleu l equip o extremeu les precaucions si per treballar amb l equip l heu de connectar PRECAUCI aquest s mbol indica que el voltatge de la part de l equip amb la qual esteu em Ap e EAEE SE tea HEAS 24 gt oe pee
101. os La impresora contiene en su interior un l ser de Clase 1 3b de arseniuro de galio de funcionamiento nominal a 5 milivatios en una longitud de onda de 770 a 795 nan metros El sistema l ser y la impresora est n dise ados de forma que ninguna persona pueda verse afectada por ning n tipo de radiaci n l ser superior al nivel de la Clase durante su uso normal el mantenimiento realizado por el usuario o cualquier otra situaci n de servicio t cnico Declara o sobre Laser A impressora est certificada nos E U A em conformidade com os requisitos da regulamentac o DHHS 21 CFR Subcap tulo J para a Classe 1 de produtos laser Em outros locais est certificada como um produto laser da Classe em conformidade com os requisitos da norma IEC 60825 1 Os produtos laser da Classe nao sao considerados perigosos Internamente impressora cont m um produto laser da Classe IIIb 3b designado laser de arseneto de pot ssio de 5 milliwatts operando faixa de comprimento de onda entre 770 e 795 nan metros O sistema e a impressora laser foram concebidos de forma a nunca existir qualquer possiblidade de acesso humano a radia o laser superior a um nivel de Classe durante a opera o normal a manuten o feita pelo utilizador ou condi es de assist ncia prescritas Laserinformatie De printer voldoet aan de eisen die gesteld worden aan een laserprodukt van klasse 1 Voor de Verenigde Staten zijn deze eisen vastgelegd
102. ove the main motor drive See Main motor drive removal on page 4 28 3 Remove the screws A Note Resistance to loosening the screw may have to be applied to the shaft Use a finger or small screwdriver against the coupler behind the clutch 4 Remove the auto comp clutch 4 10 Lexmark E350d E352dn 4512 420 430 Auto comp drive shaft assembly removal 1 Remove the auto comp clutch See Auto comp clutch removal on page 4 10 2 Use a spring hook or a small screwdriver to dislodge the arm of the shaft bushing and rotate the arm counterclockwise as far as it will go 4 Remove the auto comp drive shaft assembly 5 Use a screwdriver to align the ACM with the shaft bearing to help in installation Repair information 1 4512 420 430 Bezel removal 1 Open the front access cover 2 Remove the two screws A 3 Lift the lower edge of the shield slide it to the right and remove 4 Release the four inner latches B 5 Remove the bezel and lens while the door remains open 4 12 Lexmark M E350d E352dn 4512 420 430 Controller card removal Warning Always touch a ground before touching the card Handle the card carefully by the edges Never replace the operator panel and controller card at the same time without a successful POR in between 1 Remove the right side cover side cover removal on page 4 5 2 Remove the controller card cover 3 Disconnect all
103. p cover upside down 3 While lifting the flag with your thumb to align the shaft flats with the holder use the spring hook to slide the flag out of place and remove Note The left flag was found to be not needed and has been removed from the FRU list Repair information 4 21 4512 420 430 Fuser removal 1 Remove the left side cover See Left side cover removal on page 4 4 2 Remove the right side cover See Right side cover removal on page 4 5 3 Remove the rear cover See Rear cover removal on page 4 6 4 Loosen the top cover by removing the one rear screw above the reverse solenoid Release the side latches and lift the rear of the top cover 5 Remove the paper exit guide assembly The gears of the exit guide must clear the fuser bracket without touching it See Paper exit guide assembly removal on page 4 37 for more information 6 Remove the two screws A and the one machine screw B that secures the ground cable B A T Disconnect the thermistor cable above the fuser 8 Remove the controller card cover 9 Disconnect the exit sensor cable from J11 on the controller card 10 Disconnect the fuser power cable above the fuser 4 22 Lexmark M E350d E352dn 4512 420 430 11 Unlatch the fuser see A and B in the second photo below and remove Reinstallation note sure to reroute the cables back through their retainers If the printer has been moved following the removal of the fu
104. pprovazione del progetto originale e dei componenti specifici 11 produttore non responsabile per la sicurezza in caso di sostituzione non autorizzata delle parti Leinformazioni riguardanti la manutenzione di questo prodotto sono indirizzate soltanto al personale di assistenza autorizzato Durante lo smontaggio e la manutenzione di questo prodotto il rischio di subire scosse elettriche e danni alla persona elevato Il personale di assistenza autorizzato deve quindi adottare le precauzioni necessarie ATTENZIONE Questo simbolo indica la presenza di tensione pericolosa nell area del prodotto Scollegare il prodotto prima di iniziare o usare cautela se il prodotto deve essere alimentato per eseguire l intervento Safety information ix 4512 420 430 Sicherheitshinweise Die Sicherheit dieses Produkts basiert auf Tests und Zulassungen des urspr nglichen Modells und bestimmter Bauteile Bei Verwendung nicht genehmigter Ersatzteile wird vom Hersteller keine Verantwortung oder Haftung f r die Sicherheit bernommen Die Wartungsinformationen f r dieses Produkt sind ausschlieBlich f r die Verwendung durch einen Wartungsfachmann bestimmt Wahrend des Auseinandernehmens und der Wartung des Ger ts besteht ein zus tzliches Risiko eines elektrischen Schlags und k rperlicher Verletzung Das zustandige Fachpersonal sollte entsprechende VorsichtsmaBnahmen treffen ACHTUNG Dieses Symbol weist auf eine gef hrliche elektrische Spa
105. r cartridge LVPS HVPS Controller card Check the contacts for correct installation and contamination where contact is made between the print cartridge assembly and spring contacts which connect to the LVPS HVPS board at Clean as necessary If this does not correct the problem replace the following FRUs one at a time in the order shown LVPS HVPS board See Black page on page 3 25 for pin values Controller card Diagnostics information 2 25 4512 420 430 Partial blank image white spots no repeating pattern FRU Action Toner cartridge not a FRU Remove the toner cartridge assembly and gently shake the assembly to evenly distribute the toner Check to make sure that the laser light path is not blocked If toner cartridge is low try a new one Paper not a FRU Make sure recommended media is being used Check the media settings in the printer driver A heavier media may require higher heat to properly fuse Variation in image density horizontally across page FRU Action PC Kit not a FRU The charge roll may have an unbalanced force against the PC photoconductor drum Try a new PC Kit Transfer roll Note Do not touch the transfer roll except at its ends Place a sheet of paper over the roll to prevent damage from finger oils or hand lotion Check the springs in the left and right transfer roll bearings The bearing assembl
106. r open 8 Lift the top rear of the cover over the pivot point and drop the cover away from the printer 4 4 Lexmark E350d E352dn 4512 420 430 Right side cover removal Remove Tray 1 Open the front access cover Open the rear door Release the latches A and swing the cover open Dm 6 Lift the top rear of the cover over the pivot point and drop the cover away from the printer Repair information 4 5 4512 420 430 Rear cover removal 1 Remove the right side cover See Right side cover removal on page 4 5 2 Remove the left side cover See Left side cover removal on page 4 4 3 Remove the two screws A ig 4 Open the rear cover 5 Lift the rear cover unhooking it from the frame at the bottom and remove Note In re installation check to make sure that the fuser ground cable is routed out of the way and is not pinched or damaged 4 6 Lexmark E350d E352dn 4512 420 430 Top cover removal Remove the right side cover See Right side cover removal on page 4 5 Remove the left side cover See Left side cover removal on page 4 4 Open the rear door Remove the two screws A from the two front corners on the top cover the two screws B from the two rear corners on the top cover and the screw C on the left side 5 Open the front cover 6 Remove the two screws D 7 Remove the controller card cover
107. ray 2 Pages in the paper path have been flushed to the output bin 251 00 Paper jam near the manual feeder 251 10 Second pick attempt failed from manual feeder 251 11 Failed to feed from manual feeder Pages in the paper path have been flushed to the output bin 251 12 Second pick from manual feeder tray 1 or feeder failed when media was in the source while the other sheets were committed to the paper path 251 19 Media never reached the input sensor from the manual feeder Diagnostics information 2 11 4512 420 430 Service error codes Service error codes are generally non recoverable except in an intermittent condition when the printer can be put into POR to temporarily recover from the error condition Service error codes 9xx Error Description Engine software service errors 902 xx Engine software error Transfer service errors 917 00 Transfer service error 917 01 Transfer servo result too low Fuser service errors 920 00 Under temperature during steady state control 920 01 Fuser took too long to heat up after transitioning to new enhanced mode 920 02 Fuser fell too far below desired temperature while printing 920 03 Fuser too cool while checking for slope change 920 04 Fuser too cool when heating to desired temperature after slope change 920 05 Fuser under temperature while pri
108. re displayed 8 Applicable maintenance messages are displayed 9 Applicable toner low messages are displayed 10 The printer displays Ready Diagnostics information 1 4512 420 430 Overview of the operator panel and menus pei Display Go button Indicator light Stop button Menu buttons Back button Indicator light The indicator light gives information about the status of the printer If the light is The printer is Off Off On On but idle Blinking On and busy 2 2 Lexmark M E350d E352dn Buttons 4512 420 430 Use the six operator panel buttons to open a menu scroll through a list of values change printer settings and respond to printer messages Note Buttons act on the information displayed on the second line of the operator panel The use of the buttons and the layout of the display are described in the following table Button or control panel item Function Display The display shows messages describing the current state of the printer and indicating possible printer problems that must be resolved The top line of the display is the header line It will display the current status and the Supplies Warnings status This is where printer status supplies messages and show me screens are viewed Indicator light A green LED is used on the display including the printer status If the lightis The printer is Off Off
109. re removal Gently pull the rubber tire loose from the wheel and replace it with a new tire Note Look at the nap of the tire and orient the tire for highest friction when picking the paper Repair information 4 43 4512 420 430 Upper front frame group removal 1 Open the front cover 2 Unhook the front end of the springs A on the right and left sides of the upper frame B Insert the flat end of the spring hook through the front corner opening B Push out on the latch by moving the top of the spring hook to the right and while lifting the corner Repeat for the right side and remove the assembly Unlatch the left and right sides of the front cover guide C with a flat blade screwdriver or spring hook D Lift the right side to align the flat on the guide shaft with the opening Slide the shaft through the opening IM 9 Slide the cover to the right to free the left side and remove the front cover guide 4 44 Lexmark M E350d E352dn 4512 420 430 Installation note Move the printer so the front hangs over the front edge of the work surface Anchor the left spring on its rear post and maintain tension on it while snapping the assembly into position on the left side Use the spring hook from below the printer to anchor the front of the spring Carefully position the unsnapped right side so the right spring can be anchored at the rear While maintaining tension on the spring sn
110. ribute the message displays toner Replace the toner cartridge Solid black areas on transparencies There is a mismatch in the transparency and what the software is expecting Choose a different fill pattern in the software program Remove the toner cartridge and gently shake it from side to side to redistribute the toner Try a different type of transparency Replace the toner cartridge Faint images or repetitive spots appear on the page Select a different media type or form type setting from the printer driver Try a different type of paper Media designed for copiers gives the best quality Replace the toner cartridge Pages are blank The print cartridge may be out of toner or defective Replace the cartridge There may be a software error Re initialize the printer by turning it off and back on With the printer off check the printhead beam path If clear check for a printhead error on POR See Printhead service check on page 2 31 Also see Blank page on page 3 24 Diagnostics information 2 29 4512 420 430 Print quality problems Continued Problem Cause action The printer is on and indicates ready but nothing prints Make sure the parallel or USB cable is not damaged and is firmly plugged into the connector on the back of the printer Make sure the toner cartridge assembly is installed properly Print the menu page found under Utilities
111. ring hook be sure to reroute the cable through the three retainers between the sensor and side frame 4 30 Lexmark E350d E352dn 4512 420 430 Manual paper feed clutch 1 Open the left side cover See Left side cover removal on page 4 4 for more information 2 Tilt the printer onto its right side and remove the six screws A the screw B and the ground cable screw C 3 Lift the motor end and disconnect the main motor cable D 4 Lift the main motor drive enough to clear Note The main motor drive does not have to be completely removed See Main motor drive removal on page 4 28 for more information 5 Use a thin screw driver to remove the clip E 6 Remove the manual paper feed clutch Repair information 4 31 4512 420 430 Manual feed solenoids Remove the duplex unit See Duplex removal on page 4 18 Extract the solenoid cable to a point close to the left side as possible Remove the main motor drive See Main motor drive removal on page 4 28 Remove the auto comp clutch See Auto comp clutch removal on page 4 10 Remove the three screws A mon 6 Remove the manual feed solenoids 4 32 Lexmark E350d E352dn 4512 420 430 Media level indicator removal 1 Remove the left side cover See Left side cover removal on page 4 4 2 Turn the printer onto its top Be careful to protect the covers 3 Unhook and remove the spring A Repair informatio
112. rinter is printing statistical information about the printer Wait for the message to clear Printing Quality Test Pages The printer is formatting and printing the Print Quality Test which consists of 4 pages Page 1 contains a mixture of graphics and text pages 2 and 3 contain only graphics and page 4 is a blank page If Duplex is turned on then the pages are duplexed otherwise they are simplexed Wait for the message to clear The printer is programming new engine code Wait for the message to DO NOT POWER OFF DO NOT POWER OFF clear and the printer to reset Warning Do not turn the printer off while this message is displayed Program Flash The printer is storing resources such as fonts or macros in flash memory Wait for the message to clear Warning Do not turn the printer off while this message is displayed 2 6 Lexmark E350d E352dn 4512 420 430 User attendance messages Continued Message Action The printer is programming new system code Wait for the message to clear and the printer to reset Warning Do not turn the printer off while this message is displayed Ready Send a job to print Remove Paper Standard Bin The standard output bin is full Resetting Mai nt Cnt Valu The printer is resetting the counter that tracks wear on the fuser Resetting PC Cnt Value The printer is resetting the counter that tracks wear on the photoconductor Resetting
113. robe on the connector pin and the other on the card s ground plane found at each screw head oR WO Controller card voltage outputs Turn the printer off and plug the LVPS HVPS cable into J19 of the controller card See the wiring diagram at the end of the book which identifies the voltages and grounds for a good controller card Turn the printer off before plugging or unplugging any connectors Diagnostics information 2 17 4512 420 430 Controller card service check Continued FRU Action LVPS HVPS Verify main power to controller card With the printer off unplug the LPS HVPS cable at J19 on the controller card Verify grounds on pins 7 12 and 14 for both the cable and the controller card If any of these grounds are incorrect check the cable for continuity Replace the cable or the respective card as necessary Turn the printer on with the cable still unplugged and verify the following on the cable controller card will not be powered Pins Voltage J19 8 24 V dc J19 9 24 V dc J19 13 5 V dc If any of the voltages are incorrect replace the LVPS HVPS See Dead machine service check on page 2 19 Cooling fan service check FRU Action Cooling fan Make sure the fan cable plug is properly seated at J4 controller card Turn the printer off and disconnect the cooling fan cable from the controller card Turn the printer on Within a fe
114. s 250 sheet tray v v 550 sheet option drawer v v 550 sheet tray v v Dust cover v v Toner and photoconductor Toner cartridge 1 500 standard pages SWE 3 500 standard pages SWE 2 500 standard pages SWE 3 500 standard pages SWE High toner cartridge 9 000 standard 9 000 standard pages Photoconductor kit Up to 30 000 2 Up to 30 000 2 1 Declared value in accordance with ISO IEC 19752 2 Based on approximately 5 coverage actual yield may vary 1 4 Lexmark E350d E352dn 4512 420 430 Connectivity and compatibility Item 4512 420 4512 430 Lexmark E350d Lexmark E352dn Data stream emulations PCL 6 PostScript 3 v v HBP v v PPDS 4 E Compatibility Windows Macintosh Linux Windows Macintosh Linux Standard local connections Parallel IEE 1284 Bi Di v v USB v v Standard network connections Ethernet 10 100 Base TX n a v Optional local connections External print server support v v Option slots Memory slots 100 pin DIMM 1 1 Flash memory option card 2 2 The E 350d and E352dn products are USB 2 0 certified devices supporting hi speed 480MB sec data transfer General information 1 5 4512 420 430 Types of print media Ensure trays are properly loaded Never mix media types within a tray Source Sizes Types Weight Input capa
115. s Go to print the test page While printing Quick Test Printing displays Once the Quick Test page completes printing the registration screen displays again 5 To exit press Return 6 To Test the setting by printing the Quick Test page for all the sources see Quick Test on page 3 14 Select all the available sources Print the Quick Test Page on letter or A4 paper Diagnostic aids 3 7 4512 420 430 Printhead assembly electronic adjustment A step by step process to align a new printhead Note Before aligning the printhead electronically first align the printhead mechanically if needed See Printhead assembly mechanical adjustment on page 3 12 1 Press Go to print Step 1 test page Step 1 printout sample only use actual sheet CA 60 i ae o oe e oe os LED On O LED LED Flashing Step 1 of 3 Note that each step may repeat more once 2 In column BA of Step 1 test page look for the position where the vertical lines are the closest to each other Press gt to select the corresponding number new setting 3 Press and release V to move to the CA pattern on the right side of Step 1 test page 4 Press gt to select the CA setting 3 8 Lexmark E350d E352dn 5 Press Go to print Step 2 test page sample only use actual sheet Step 2 printout
116. screws A the screw B and the ground cable screw C IMPORTANT The ground strap held by screw B is not included in the main motor drive FRU Be sure to remove this strap and install it in the new drive 3 Lift the motor end and disconnect the main motor cable D 4 28 Lexmark M E350d E352dn 4512 420 430 5 Rotate the motor drive counterclockwise until the two plastic links can be separated n S 6 Remove the main motor drive Repair information 4 29 4512 420 430 Manual feed sensor removal Remove the right side cover See Right side cover removal on page 4 5 Remove the controller card cover by loosening the four screws and sliding the cover free from the screws Disconnect the sensor from J20 MPF SNS on the controller card and free it back through the opening of the side frame 4 Place the machine on its top pm Note Be careful not to mar the finish of the printer 5 Lift the door on the duplex and auto comp 6 Remove the screw A A T Free the cable from its retainer and pull it through the opening toward the sensor mount Re installation note Insert the hook end of the spring hook through the frame opening from the controller card side Extend the hook until the sensor connector can be hooked Hook the spring hook to the connector and pull it through the opening Place the sensor into position and reconnect the cable on the controller card Using the sp
117. ser verify that the cross shaft behind the fuser is in place Place the fuser into the opening and push levers A to open the latches B Push the fuser into the final position on the release levers Alternatively the fuser may be tilted to drop the latches B below the shaft for the final few millimeters Check to make sure that the ground cable is routed out of the way and will not be pinched or damaged by the rear cover Repair information 3 4512 420 430 Fuser power cable removal Remove the paper exit guide assembly See Paper exit guide assembly removal page 4 37 Remove the fuser See Fuser removal on page 4 22 Disconnect the power cable from the fuser and pull the cable through the opening in the side frame Place the printer on its top with the back and bottom in view Note Be careful not to mar the finish of the printer DOM 5 Remove the four screws A the machine screw flange head B and the machine screw button head C D B C 6 Use the hook end of a spring hook to disconnect the fuser power cable from the LVPS HVPS side Note The connector latch D is toward the side frame as shown 4 24 Lexmark E350d E352dn 4512 420 430 Link developer drive and access door removal 1 Remove the main motor drive See Main motor drive removal on page 4 28 2 Remove the coupling assembly See Developer drive coupling assembly removal on page 4 16 3 Disconnect t
118. service check on page 2 17 for more information If voltages are correct replace the printhead comes with cables Transfer roll service check FRU Action Transfer roll Note Do not touch the transfer roll except at its ends Place a sheet of paper over the roll to prevent damage from finger oils or hand lotion Check the springs in the left and right transfer roll bearings Do not try to move the left spring The bearing assemblies should support the transfer roll applying evenly distributed forces to the PC drum Replace the transfer roll assembly if the springs or bearings show signs of damage or fatigue Inspect the transfer roll for signs of wear damage or contamination Replace as necessary Diagnostics information 2 31 4512 420 430 2 32 Lexmark E350d E352dn 3 Diagnostic aids Accessing service menus 4512 420 430 There are two different test menus that can be accessed during POR to identify problems with the printer Configuration Menu 1 Turn off the printer 2 Press and hold y and Back 3 Turn on the printer 4 Release the buttons when Perf or mi ng Self Test displays 5 The message CONFIG MENU displays on the top line of the operator panel The Configuration menu group contains a set of menus settings and operations which are infrequently required by a user Generally the options made available in this menu group are used to configure a pri
119. stem vp 9 eee ae le ee El H 1 TOL IC T HB Hu e EMSS ASUS 199 5 9 2 nes SA suae ee 219 AJ APA 5 5 Al 5 H TAL 595 9 FAY EYE dh B E fh J ERARA FEBRE ETT REE XL 2 IAE 2 IAS PAST SEE ih f TESS dim A A SEDIS ES TE TR Te MEI AE A ART IK Br ARAUEK TRO Wid 26 RAET Sep UE UR RUT ESS I FF Safety information 4512 420 430 This manual contains maintenance procedures for service personnel It is divided into the following chapters 1 General information contains a general description of the printer and the maintenance approach used to repair it Special tools and test equipment are as well as general environmental and safety instructions 2 Diagnostic information contains an error indicator table symptom tables and service checks used
120. sweep error reserved 935 25 Printhead sweep error detected resonant frequency out of expected range 935 26 Printhead sweep error timed out waiting for end of sweep Transport motor service errors Diagnostics information 2 13 4512 420 430 Service error codes 9xx Continued Error Description 936 01 No lock detected at normal motor start 936 02 No lock detected at motor start for motor ID 936 03 No halls detected at motor start 936 04 Failed to stop within timeout 936 05 Stall detected during speed control 937 00 Main transport motor lost lock 937 01 Main transport motor lost lock detected by engine control 937 02 Overspeed detected during position control 937 03 Overspeed detected during speed control Power supply service errors 940 00 LVPS service error 940 01 Line frequency outside allowed range of 45Hz 64Hz 940 02 Line frequency below 43Hz 940 03 No zero cross detected on belt fuser model 2 14 Lexmark E350d E352dn 4512 420 430 Symptom tables POST symptom table Symptom Action The main motor cooling fan and fuser do not come See Cover interlock switch service check on page 2 18 on POST completes but the LCD does not come on See Operator panel service check on page 2 21 Main motor does not come on See Main motor service check on page 2 20 Fan does not come on
121. t either Single feeds one sheet of blank media from the selected source or Continuous continues feeding blank media from the selected source until Return or Stop is pressed by using 4 gt Press Return or Stop to exit the test Print quality pages Prt Quality Pgs To print the Print Quality pages 1 Select PRINT TESTS from Diagnostics Mode 2 Select Prt Quality Pgs 3 Press V Four pages print Additional button presses are ignored until the pages have printed The first page is a mix of graphics and text The second two pages are graphics and the last page is blank The Print Quality pages can also be printed from the Configuration Menu 3 14 Lexmark E350d E352dn Hardware tests 4512 420 430 Select the following selections from HARDWARE TESTS LCD Panel Buttons Op Panel DRAM Parallel Port LCD Test This test continuously executes a pattern 1 Select LCD Test from Diagnostics Mode The test continually executes 2 Press Return or Stop to cancel the test Button Test 1 Select Button Test from Diagnostics Mode With no buttons pressed several occurrences of 0P Open appear on the display OP OP OP OP OP 2 To test the proper operation of each button press each button on the operator panel one at atime anda CL Closed displays in place of an OP 3 Press Return or Stop to cancel the test DRAM Test The purpose of this test is to check the validity of DRAM both sta
122. the printer was manufactured and is located on the printer label Edge to Edge When Edge to Edge is set to On text and graphics are printed with all margins set to the physical edges of the page This feature does not work in PPDS emulation Par S Strobe Adj parallel strobe adjustment This setting adjusts the factory setting for the amount of time the strobe is sampled to determine that valid data is available on the parallel port Incrementing this value by one means the strobe is sampled 50 nanoseconds longer The range of values are between 4 and 6 in increments of one A value of zero indicates no change is made from the factory setting 3 20 Lexmark E350d E352dn 4512 420 430 EP setup EP Defaults Restores all EP settings to factory default values Selections are Restore and Do Not Restore Fuser Temperature Fuser Temp Changing this setting can reduce media curl or melting of some letterhead images Selections are Normal default Lower and Lowest Transfer The transfer can be adjusted to Low Medium or High The default setting is Medium Print Contrast The print contrast can be adjusted to Low Medium or High The default setting is Medium Charge Roll The charge roll can be adjusted to Low Medium or High The default setting is Medium Gap Adjust Adjusts the minimum gap between sheets during printing This setting reduces speed pages per minute but can be used to reduce curl of printed media and
123. tored in the event log See Event log on page 3 21 for more information Diagnostic aids 3 3 4512 420 430 Reduced Select Reduced Curl from the CONFIG MENU to help reduce the curl of media Select to activate Reduced Curl or select Off default to deactivate Reduced Curl Reduced Curl lowers the fuser temperature USB Speed To change the speed of the USB 1 Select USB Speed from the CONFIG MENU 2 Select Auto default or Full 3 Press v to save the desired speed Exit Config Menu Select Exit Config Menu to exit the Configuration Menu and return to normal mode 3 4 Lexmark E350d E352dn Diagnostics mode Entering Diagnostics Mode Turn off the printer Turn on the printer DONI Available tests 4512 420 430 Press and hold Go lt and Back Release the buttons when Performing Self Test displays The tests display on the operator panel in the order shown Diagnostics mode tests REGISTRATION Margins See Margins on page 3 7 top margin bottom margin left margin Quick Test See Quick Test on page 3 14 Printhead See Printhead assembly electronic adjustment on page 3 8 PRINT TESTS Tray 1 See Input source tests on page 3 14 Tray 2 if installed See Input source tests on page 3 14 Prt Quality Pgs See Print quality pages Prt Quality Pgs on page 3 14 HARDWARE TESTS LCD
124. ured gap at the input sensor is too small to meet the video delivery requirements There is not enough time since prior image finished to start new image 200 26 The trailing edge never cleared the input sensor when feeding out the media that was detected during warm up 200 27 Printhead Driver Mirror motor fell out of lock condition after the media at the input sensor more time elapsed since the printhead than the expected stable lock time but less than the printhead jitter stable specification Mirror motor fell out of lock condition after media at the input sensor more time elapsed since the printhead than expected stable lock time but less than the printhead jitter stable specification 200 28 First writing line of a page at the developer nip but laser servo cleanup is not complete Likely pre staged media or a fast paper feed 200 29 Printhead drive control out of range due to an external event beyond what the control is designed to handle Probable causes ESD or noise on hsync signal 200 30 Narrow media sensor covered during warm up 200 32 Media more than 14 inches too long over the manual feeder sensor Possible causes include multi sheet feed or pre staged media in the tray 200 33 Page from tray 1 did not reach the input sensor after multiple attempts Page did make it out of the tray at least as far as the manual feeder sensor Possible cause is that the page stalled at the alignment gate 200 34 Timed out waitin
125. used by the toner cartridge Replace Transfer Roller call for service Replace Toner Cartridge customer replaceable item Replace Replace Fuser Photoconductor Kit call for service customer replaceable item If you are unable to distinguish between these two marks replace the Photoconductor OR Kit before replacing the Fuser OR
126. w seconds the controller card assembly should apply 24 V dc to pin 2 If voltage is present and the fan is not turning replace the cooling fan If the fan still doesn t function replace the controller card f voltage is not present check the controller card Cover interlock switch service check Note Make sure a print cartridge assembly is installed and the cover closes all the way engaging the cover open switch lever FRU Action Cover interlock switch Disconnect the cover interlock cable from the controller card at J6 With the printer turned off verify continuity between cable pin 1 and pin 2 with the door closed and discontinuity with the door open Verify continuity between cable pin 1 and pin 3 with the door open and discontinuity with the door closed Verify discontinuity between cable pins 2 and 3 whether the door is open or closed f either fails replace the cover interlock switch f both pass continuity turn the printer on and measure 5 V dc on pin 2 at J6 on the controller card Verify pin 3 at J6 is ground f voltage or ground is not present see Controller card service check page 2 17 for more information 2 18 Lexmark E350d E352dn 4512 420 430 Dead machine service check 100 V ac volts alternating current 127 V ac for the 110 V printer CAUTION Check the AC line voltage The voltage should be within the following limits 2
127. ward electrodes below the print cartridge assembly for contamination or damage Correct as necessary Check continuity between the cable DEV TAR and doctor blade connection PCN3 and on the contact tips below the print cartridge assembly f continuity fails call the next level of service A LVPS HVPS board Controller card Miscellaneous cables With the printer off disconnect the LVPS HVPS cable from J19 on the controller card Turn the printer on and verify 24 V dc on pins 8 and 9 of the cable Verify ground on pins 7 12 and 14 If the voltage is incorrect replace LVPS HVPS board If grounds are incorrect check ground paths Check confinuity in the cable Replace the cable if necessary If voltage is correct and the toner electrodes are good replace the controller card See the LVPS HVPS service check on page 2 20 and the Controller card service check on page 2 17 if necessary Heavy background Poor development or poorly charged toner particles cause excessive background This is more noticeable as the toner cartridge nears end of life FRU Action Toner cartridge not a FRU PC Kit not a FRU Check the toner darkness setting in the driver Try a lower setting Make sure the toner cartridge and PC are correctly installed and the high voltage contacts are clean If the toner cartridge and PC Kit are installed correctly try a new PC Kit first and then tone

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