Xerox XC23 style Copier Technical Information from service manual
Contents
1. 8 21 High Capacity Feeder Feed Motor 8 22 Paper Feed Solenoid 8 50 Duplex Drive Motor low speed 8 51 Duplex Drive Motor high speed 8 53 Duplex Gate Solenoid 8 54 Forward Inverter Clutch 8 55 Reverse Inverter Clutch 8 57 Duplex Entrance Gate Solenoid 1 8 58 Duplex Entrance Gate Solenoid 2 8 59 Duplex Entrance Gate Solenoid 3 8 60 Duplex Module registration Solenoid 8 62 Tray Positioning Solenoid 8 63 Duplex Transport Feed Clutch 8 64 Duplex Nudger Roll Solenoid 8 68 Duplex Side Guide Motor forward 8 69 Duplex Side Guide Motor reverse 9 1 Xerographic Drive Motor and Erase Lamp this is the third code which seems to be identical to the other two 8 1 amp 4 1 10 1 Optics Cooling Fan Motor 10 3 Fuser Vacuum Fan 10 4 Fuser Fan Motor 11 1 Transport Drive Motor 11 15 Staple Motor 11 16 Tamper Motor 11 17 Bin Drive Motor Now for the final listing of codes for this month The Non Volatile Memory NVM Tests and resets These codes work basically the same way as the input and output tests with a few exceptions which are covered in the notes which follow the list below NON VOLATILE MEMORY NVM Xerox XC23 style Code Description Range amp defaults 20 1 Registration Adjustment each step changes lead edge reg Range 0 64 measurement by 02. else is worth mentioning before I break till next month s continued article Ah yes how to read Copy Counts Going back and reading the Nov 2004 article I see that I had it wrong On this style the total copy count is actually a physical Meter If you want to read the Copy Cartridge s Life Remaining Press Special Features then 81 followed by Print That s it for this time see you all next month when we go into the diagnostic simulations and memory settings Have a good one First published in ENX Magazine www enxmag com Author Britt Horvat of The Parts Drop Xerox XC23 style More on the newest analog copiers out there XC23 XC33 XC33D XDL23 XDL33 XDL33D Hi again all Last month we took a fresh look at the XC23 style They are the most current analog series of Xerox brand copiers out there They re showing up all over the place with folks looking to have them repaired especially since Xerox has begun their end of life proceedings That end is just the beginning for the aftermarket repairmen keep in mind that the parts and supplies continue to be available both from Xerox and from aftermarket parts sources To refresh last month we did a quick overview and then went into great detail on the meanings behind the Status Codes This month we will take a good look at the Diagnostic Test Codes and the Memory Adjustments First of all to enter the Diagnostic Mode you ll need to
3. 3mm Default 32 20 2 Exposure Adjustment Read Below this needs some Range 0 64 further explanation Default 32 20 3 Copy Buckle adjustment Range 0 64 Default 32 20 4 Lead Edge Erase increase the lead edge deletion using this Range 0 64 code Default 32 2 5 Trail Edge Erase increase the trail edge deletion Range 0 64 Default 32 2 6 Horizontal Magnification Range 0 64 Default 32 2 7 Vertical Magnification Range 0 64 Default 32 2 8 Document Feeder Document Buckle Range 0 60 Default 30 2 9 Document Feeder Registration Adjustment Range 0 99 Default 49 2 10 Paper Buckle Adjustment Range 0 64 Default 32 2 13 Bias Density Adjustment this is set up automatically Range 0 64 when you run a 2 77 code read below for 2 77 code Default 32 2 14 Exposure Photoreceptor Sensitivity Range 0 or 1 Default 1 2 23 Drum Density Range 0 40 Default 11 2 26 Lower Chute Bias setting Range 0 2 O default bias on for Cassette but off for Bypass Default 0 1 bias on for Cassette and on for Bypass 2 bias off for Cassette and off for Bypass 2 30 Fuser Temperature in standby Range 0 64 Default 32 2 31 Fuser Temperature during the copy cycle Range 0 64 Default 32 2 77 Setup for Auto Exposure White Reference Level 2 96 Memory Initialization Caution This would set all memory settings to the defaults E
4. Paper Present Senaor 7 10 Bypass Paper Present Sensor 7 11 Duplex Empty Sensor 7 12 High Capacity Feeder HCF Upper Limit Sensor stack height 7 20 Tray 1 amp Tray 2 Feed vertical transport Switch 7 22 High Capacity Feeder HCF Feed Sensor 7 51 Optional Tray Module Connector interlock 7 52 Duplex Module Connector interlock 7 53 Two Tray Module Connector interlock 8 8 Registration Gate Sensor 8 9 Exit Switch 8 10 Bypass Size Sensor 8 11 Duplex Decurler Cover Interlock Switch 8 52 Duplex Inverter Sensor 8 56 Duplex Module Entrance Sensor 8 70 Duplex Side Guide Sensor 9 9 Low Toner Sensor 11 2 Sorter Connector interlock 11 3 Sorter Interlock Switch 11 4 Sorter Cover Interlock Switch 11 11 Sorter Vertical Sensor 11 12 Sorter Entrance Sensor 11 13 Manual Staple Select 11 31 Stapler Home Position Switch 11 32 Sorter Tamper Sensor 11 33 Sorter Down Limit Switch 11 34 Sorter Cam Position Sensor 11 35 Stapler Position Sensor 11 38 Bin Up Switch 11 39 Bin Down Switch 11 40 Sorter Transport Motor Clock Sensor Note To change the paper size in a particular paper cassette you ll want to orient the blocks near the rear of the paper cassette appropriately for the size paper you have loaded in that particular tray There are 4 slots and between one to 3 blocks are needed to tell the machine which size paper is in the tr
5. The Parts Drop 201 387 7776 www partsdrop com First published in ENX Magazine www enxmag com Author Britt Horvat of The Parts Drop Xerox XC23 style The newest analog copiers out there XC23 XC33 XC33D XDL23 XDL33 XDL33D Here once again is one of the newest set of analog copiers from Xerox As all of the more recent offerings are digital technology this group remains one of the stalwart hold outs They were still being sold new on the market as recently as 2 1 2 years ago Back in November 2004 I wrote up an article which ENX published on this series In that one we did an overview of the machine including some very limited Status Code Meanings This time we ll talk a bit more about the machine overall and then hit the Status Codes in a much more thorough way Now this is actually a very good machine They usually run great and have very few inherent problems Let me start by dismissing a misunderstanding which seems to have been spread around Some folks have gotten the mistaken impression that Xerox is no longer sparing parts for this style of machines This is simply not the case They ve dropped the Service Maintenance Agreements support on this series however the parts are still available with the exception of a few items having been on backorder from the OEM once in a while for a little while there were a few important items which were on backorder which probably contributed to the scare and the idea that part
6. ay Now for some of the Output Component Codes which activate things like motors clutches and solenoids These work the same way as the Input Codes enter diagnostics and enter the first part of the code followed by Print then the second part of the code followed again by Print then Print again to activate the component Here s a list of them OUPUT COMPONENT CODES Xerox XC23 style Code Description 3 1 Total Billing Counter diagnostic count 3 13 Total Feed Counter 4 Xerographce Drive Motor and Erase Lamp 5 1 Document Belt Drive Motor 5 2 Document Feed Motor 5 3 Document Exit Drive Motor 5 20 Duplexing Document Feeder Nudger Solenoid 5 21 Duplexing Document Registration Edge Solenoid 5 22 Duplexing Document Registration Gate Solenoid 5 23 Duplexing Document Jam LED 6 3 Scan Drive Motor scan forward 6 4 Scan Drive Motor scan return 6 7 Exposure Lamp Xerographic Drive Motor and Erase Lamp 8 1 Xerographic Drive Motor and Erase Lamp The Service Manual makes it appear that the code 4 1 tests the same components 8 2 Tray 1 Feed Solenoid 8 3 Tray 2 Feed Solenoid 8 4 Tray 3 Feed Solenoid 8 6 High Capacity Feeder Clutch electromagnetic 8 7 Bypass Feed Clutch electromagnetic 8 13 High Capacity Feed Nudger Roll Solenoid 8 16 High Capacity Feed Elevator Motor 8 20 Paper Path Drive Motor
7. des are reset like this Enter diagnostics while the Front Door is open hold the 0 down while you turn on the copier Then enter 50 Print 20 Print followed by 0 Print an ED will be displayed on the Control Console Then close up the Front Door Now you can turn the machine s power off and back on and the machine will attempt to warm up again U8 6 codes are reset the same basic way except that you will use 50 21 to reset instead of 50 20 That should do it for this month Hope you find the lists helpful
8. e an external device attached and the machine doesn t sense it U1 1 Main Motor clock signal fails during a copy job a seized motor can do it U2 1 Lamp Carriage didn t leave home and return during initialization or wasn t seen doing it properly U2 3 Lamp Carriage positioning problem U2 4 Lamp Carriage return failed U3 1 Lens Positioning problem U4 1 Fuser Thermistor measures open infinite resistance U4 2 Fuser took too long to warm up usually a bad heater lamp or thermal fuse U4 3 Fuser Overheat reset may be needed from Diagnostics read below U4 4 Fuser Overheat reset may be needed from Diagnostics read below U4 6 Fuser Overheat reset may be needed from Diagnostics read below U5 2 Sorter Transport Motor problem detected no clock signal from the motor could be cause by something binding the motor up U5 3 Sorter Bin Drive problem U5 4 Sorter Tamper problem U5 5 Stapler Drive problem U6 4 Memory Read Write failure can relate to the Drum Ctg Connector U7 5 Sorter Communication problem U8 codes All relating to Exposure Lamp Sensor failures read about resetting the U8 7 codes below The Parts Drop 201 387 7776 www partsdrop com E5 1 Code A quirky possible cause worth mentioning Here s an experience I had on this code After having replaced the Main Board in a machine we started getting a persistent E5 1 code which indicates that the machine think
9. hen feeding from Tray 5 Duplex Module Tray 4 misfeed Duplex Module Tray 4 vertical transport jam Tray 3 or Tray 1 2 Feed Vertical Transport Sensor was not actuated in time Duplex Module Tray 4 registration jam Registration Gate Sensor was not actuated in time after the Tray 1 2 Feed Vertical Transport Sensor was actuated Tray 1 2 Feed Vertical Transport Sensor actuated at power up Tray 3 Feed Vertical Transport Sensor actuated at power up Tray 5 HCF Feed Sensor actuated at power up Manual Bypass misfeed Exit Switch not actuated 3 seconds after Registration Gate is opened Exit Switch stays actuated too long Registration Sensor is actuated at power up Exit Switch not deactuated in time Exit Switch is actuated at power up Inverter Sensor is not actuated in time during duplexing operation Duplex Tray 4 Entrance jam Entrance Sensor not actuated in time after the Inverter Sensor is actuated Inverter Sensor is actuated at power up Front Cover Interlock failure Read below in this article about one quirky possible cause for this code could save you some serious headaches Upper Right Cover Interlock open Lower Right Cover Interlock open Decurler Cover open from the Inverter area near the machine s exit Duplex Tray 4 Interlock open Duplex Tray 4 Entrance Sensor is not deactuated in time Duplex Tray 4 Entrance Sensor is actuated at power up Sorter entrance jam Sor
10. hold down the 0 button while you turn on the power The machine will display either an 88 or Diagnostic Mode enter chain code depending on the exact model you re working on Press the Stop or Clear button and the display will change to a 0 Now enter the first part of the Diagnostic Code you wish to enter known as the Chain followed by Print then the second part of the code known as the Function followed by Print again Press stop or clear to back up a step and when you re done turn off the power to exit diagnostic mode Let s start with the Input component codes tests for the sensors switches etc To test one of the sensors enter the code then go and actuate and deactuate the sensor or switch and watch the display to see if it changes from high to low H L Naturally some of the codes which relate to duplexing won t apply if your machine isn t equipped with duplexing capability INPUT COMPONENT CODES Xerox XC23 style Code Description 1 1 Front Cover Interlock Switch 1 2 Upper Right Cover Interlock Switch 1 4 Duplex Module Tray Interlock Switch 1 5 Duplex Module Inverter Switch 1 6 Lower Right Cover Interlock Switch 2 1 Control Console Buttons For this test if you press any switch on the control console other than stop or clear the number will advance one digit when the sw
11. itch is pressed and again when the switch is released 5 4 Auto Document Feeder ADF Connected 5 5 DADF Front Interlock Switch 5 6 Document Sensor 5 7 Document Registration Sensor 5 8 Document Exit Sensor 5 9 Document Nudger Roller Sensor 5 10 Document Width Sensor 5 11 Document Width Sensor 2 5 13 Document Exit Tray Interlock Switch 5 14 Document Rear Interlock Switch 6 2 Scan Home Sensor 6 6 Exposure Sensor 6 9 Document Size Sensor 1 6 10 Document Size Sensor 2 6 11 Document Size Sensor 3 6 12 Document Size Sensor 4 6 15 Platen Interlock Switch 6 16 Document Size Sensors tests all 4 at once for this test put a sheet of 17 paper on the glass and enter the test code if all 4 sensors work an L will appear on screen if not use the other tests above to figure out which sensor is screwing up 6 17 Platen Angle Sensor 6 18 Fuser Thermistor this code is not explained very well in the book Not sure what it ll show for you 6 19 Fuser Thermistor open circuit again not explained in the service manual for some reason 7 1 Tray 1 Paper Size Switch 7 2 Tray 2 Paper Size Switch 7 3 Tray 3 Paper Size Switch 7 4 High Capacity Feeder Paper Size Switch 7 6 Tray 1 Paper Present Sensor 7 7 Tray 2 Paper Present Sensor 7 8 Tray 3 Paper Present Sensor 7 9 High Capacity Feeder
12. me basic format as many of the other Xerox models so they ll probably look familiar to many of you If the Status Code does not show up for you or hides behind a Status Message or if the Subcode isn t shown try pressing the 0 button to read it The 33D Versions of the series show the codes without the hyphen so an A1 1 code will show up like A11 Before we get started with the Status Codes here are a few acronym definitions for those of you who don t speak Xerox fluently ADF Automatic Document Feeder DADF Duplexing ADF HCF High Capacity Feeder tray 5 I ve decided to do a rather thorough list of Status Codes this time around STATUS CODES Al 1 DADF Document Feed problem Document present sensor or document Registration Sensor is seen being actuated when the machine is powered up A1 2 DADF Document Misfeed Document Registration Sensor was not actuated in time after the Document Feed Motor kicks on OR the Sensor didn t deactuate in time A1 3 DADF Duplexing Document jam Document Registration Sensor was not re actuated in time in duplex reverse mode A1 11 ADF Document Sensor actuated at power up A1 22 ADF Document Registration Sensor actuated at power up A1 23 ADF Document Misfeed Document Registration Sensor didn t actuate in time after the Feed Motor turns on A1 24 ADF Document Jam Document Registration Sensor did not de actuate in time A2 codes ADF or DADF E
13. s the Front Door Interlock is open When we tried testing the Interlock Switch from diagnostics it failed the test Then we got lucky we looked more closely before replacing the switch It turned out to be a connector in the wiring which had come disconnected This connector is located at the rear of the machine to the left of the Main Board far from the switch it is very easy to disconnect it on accident if you re working in there We ll cover the Diagnostics more fully next month but since we are talking Status Codes here is how to clear a few of them Resetting Fuser Overheat Codes U4 codes Repair the problem in the fuser first including resetting the Thermal Fuse if it blew Enter Diagnostics with the front door open hold down the 0 while you turn on the copier Then enter 50 Print 20 Print followed by 0 Print Note make sure that the lamp cycles off the way it should otherwise the lamp may stay on constantly and go into a major overheat you may be dealing with a shorted SSR or a shorted fuser lamp wiring harness Resetting U8 7 codes Enter diagnostics while the Front Door is open hold the 0 down while you turn on the copier Then enter 50 Print 21 Print followed by 0 Print an ED will be displayed on the Control Console Then close up the Front Door and turn the machine s power off and back on What
14. s were being discontinued In addition to the OEM parts continuing to be available the availability of good aftermarket parts is on the rise As Xerox lets go this series is ready for the independent service companies to take over Keep it running for them The Xerox Authorized Dealerships who want to serve their customers well will also continue to service the machines although it may now be on a time and materials basis Ok now to it These machines are grouped and named by their speed XC23 23 copies per minute vs XC33 33 cpm for example and also by Sales Plan XC vs XDL The XC models were mostly sold on the retail outlet market whereas the XDL s were sold through Authorized Dealerships The sales strategy behind each was unique The supply items are different for the two types of machine The XC machines were sold inexpensively and then the supplies were priced relatively high around 350 for a Copy Cartridge drum unit The XDL machines conversely were sold mostly with the Service The Parts Drop 201 387 7776 www partsdrop com Maintenance Agreements and the supplies were relatively inexpensive the OEM price on an XDL drum cartridge is about 1 2 that of the XC version for example The model numbers which end with a D are equipped with the Duplexing capability So to recap an XC33D would be a 33 copy per minute duplexing machine which was sold through the Retail Outlet Stores The Status Codes run the sa
15. ter Entrance Sensor is not actuated in time Sorter Entrance Sensor is actuated at power up Sorter not Latched properly Sorter Interlock Switch is open Sorter Front Cover Interlock is open The Parts Drop 201 387 7776 www partsdrop com F9 22 Stapler Safety Switch is actuated during stapling Or more than 15 pages were in the bin during stapling process F9 23 Stapler problem Stapler Home Position Switch not actuated within 1 second after start of stapling H1 4 HCF Tray 5 Elevator Lift problem Upper Limit Sensor is not actuated within 13 seconds of the HCF Elevator Motor being turned on H2 1 Duplex Tray 4 Communication problem H2 2 Duplex Tray 4 Side Guide positioning failure H6 1 DADF Width Sensor actuated at power on DADF Reg sensor not actuated H6 2 ADF or DADF Nudger Roll Positioning Failure H6 3 DADF Belt Drive Motor lost the 24v line H6 4 DADF to Main Board Communication failure J1 1 Toner Empty J3 1 Drum Cartridge not present or at least the machine isn t detecting it J7 1 Drum Cartridge Life Expired replace the cartridge or the Connector from the back of the cartridge if you re reconditioning the cartridge J8 1 Incompatible Drum Cartridge for example an XC23 cartridge was installed in an XDL23 machine or vice versa J8 2 Drum Cartridge EEPROM Connector failure replace the Connector L6 Foreign Interface Device not sensed this happens if the machine is set up to hav
16. xit Jams A3 1 Abnormal or mixed original sizes is detected in the ADF or DADF A5 1 Document Feeder Cover Interlock deactuated top cover open A6 1 Document Jam when the machine shuts down A8 1 Document Exit Tray Interlock actuated C1 2 Tray 1 misfeed C1 3 Tray 1 registration jam The Registration Gate Sensor not actuated 2 seconds after the tray 1 2 feed vertical transport sensor was actuated C2 2 Tray 2 misfeed C2 3 Tray 2 registration jam The registration Gate Sensor not acutated 2 seconds The Parts Drop 201 387 7776 www partsdrop com C3 1 C3 2 C3 3 C4 1 C4 2 C4 3 C6 1 C6 2 C6 3 C8 1 C8 2 C8 3 C9 3 El 1 El 2 E1 6 E3 3 E3 6 E4 1 E4 4 E4 6 E5 1 E6 1 E6 2 E7 1 E7 3 E8 1 E8 6 F1 1 F1 2 F5 1 F5 2 after the tray 1 2 feed vertical transport sensor was actuated Tray 3 misfeed Tray 3 feed vertical transport jam Tray 1 2 Feed Vertical Transport Sensor was not actuated 2 seconds after the tray 3 feed sensor actuated Tray 3 registration jam Registration Gate Sensor was not actuated 2 seconds after the Tray 1 2 feed vertical transport sensor was actuated Tray 5 HCF misfeed Tray 5 HCF vertical transport jam Either the Tray 3 Feed Vertical Transport Sensor or Tray 1 2 Feed Vertical Transport Sensor didn t actuate in time Tray 5 HCF registration jam Registration Gate Sensor was not actuated in time w
17. xposure Adjustment First run the 2 77 code white reference level setup read the note below next to the double asterisk Enter diagnostics and use code 20 1 To increase the Exposure lighten the copy press the Copy Darker button which will increase the value To decrease exposure press the Copy Lighter button instead Once you like the copy quality press Start to lock in your new setting Then go and set up the reduction mode exposure setting and the enlargement mode exposure setting separately If this fine adjustment does not give you enough of a handle on it there is also a Coarse adjustment which is done by turning a VR variable resistor on the Main Board VR1 Most good techs will already know that its wise to mark the VR before you play around with it this way you can get it back to where you started if you run into any problems White Reference Level Setup Cover the platen glass with 4 or 5 layers of clean white paper Then enter code 2 77 the exposure lamp will scan the white paper and set a value in memory as a white reference The other two important Codes from the diagnostics were mentioned and explained last month These are the Fuser Code Reset diagnostic code 50 20 process which resets U4 6 Status Codes and the Exposure Code Reset diagnostic code 50 21 which resets U8 7 Status Codes These are worth repeating since they can be pretty important in the field U4 6 co
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