Page 1: Service Manual
DocuPrint C55/C55mp/[NC60] Color Laser Printer (50/60 Hz) Service Manual CAUTION Certain components in the DocuPrint C55/C55mp/ [NC60] Color Laser Printers are susceptible to damage from electrostatic discharge. Observe all ESD procedures to avoid component damage. 701P14760 February, 1999...
Page 2 Prepared by: Xerox Corporation Multinational Customer and Service Education 780 Salt Road Webster, New York 14580 ©1999 by Xerox Corporation. All rights reserved. Xerox and all Xerox products mentioned in this publication are registered trademarks of the Xerox Corporation...
Page 3 Product Title Part Number Date DocuPrint C55/C55mp/[NC60] Service Manual 701P14760 February 1999 Page Rev. Page Rev. Page Rev. Page Rev. Page Rev. Page Rev. Title 2/99 2-33 2/99 2/99 4-45 2/99 5-18 2/99 6-21 2/99 2/99 2-34 2/99 2/99 4-46...
Page 4 Page Rev. 6-65 2/99 6-66 2/99 6-67 2/99 6-68 2/99 6-69 2/99 6-70 2/99 6-71 2/99 6-72 2/99 6-73 2/99 6-74 2/99 6-75 2/99 6-76 2/99 2/99 2/99 2/99 2/99 2/99 2/99 2/99 2/99 2/99 7-10 2/99 7-11 2/99 7-12 2/99 7-13 2/99...
Page 5: Table Of Contents
Contents ------------------------------------------- 1-1 STATUS INDICATOR RAPS Contents ------------------------------------------- 2-1 IMAGE QUALITY RAPS Contents ------------------------------------------- 3-1 REPAIR/ADJUSTMENT PROCEDURES Contents ------------------------------------------- 4-1 PARTS LIST SECTION Contents ------------------------------------------- 5-1 GENERAL PROCEDURES/INFORMATION Contents ------------------------------------------- 6-1 WIRING DATA Contents ------------------------------------------- 7-1 2/99 TABLE OF CONTENTS DocuPrint C55/C55mp/[NC60]...
Page 6: Introduction
Diagrams and wiring diagrams. acceptable, and that printer performance and A Publications comment sheet is provided at appearance is satisfactory. Details are the end of this manual. included for completing administrative tasks and closing out the service call. 2/99 INTRODUCTION DocuPrint C55/C55mp/[NC60]...
Page 7: How To Use This Manual
In the example above, the parts list reference Identifies a test point, test hole or test and the exploded view drawing would be found stake on a PWB. in Section 5 on sub-section 2.4. Auditron/Key Counter connection. 2/99 INTRODUCTION DocuPrint C55/C55mp/[NC60]...
Page 8 Indicates a feedback signal. Indicates a common splice of wires. Indicates a common splice of wires at P/J57 a pin. Indicates the direction of signal flow. Indicates that the wire continues to the adjacent page. 2/99 INTRODUCTION DocuPrint C55/C55mp/[NC60]...
Page 9: Service Call Procedures
1. SERVICE CALL PROCEDURES TITLE PAGE CALL FLOW---------------------------------------1-2 INITIAL ACTION ---------------------------------1-3 SYSTEM CHECKS ------------------------------1-3 EVERY CALL ACTIVITIES --------------------1-4 SCHEDULED MAINTENANCE ---------------1-4 FINAL ACTION -----------------------------------1-5 2/99 SERVICE CALL PROCEDURES SECTION CONTENTS DocuPrint C55/C55mp/[NC60]...
Page 10: Call Flow
CRU’ s. FINAL ACTIONS This step is used to ensure that the print quality, the printer performance, and the printer appearance is satisfactory. It will also provide direction to help complete administrative tasks. SERVICE CALL PROCEDURES 2/99 CALL FLOW DocuPrint C55/C55mp/[NC60]...
Page 11 2. Verify that the problem is corrected and go to EVERY CALL ACTIVITIES. e. If the problem is not repeatable, operate the printer in the same job conditions the customer used and recheck problem categories listed here. 2/99 SERVICE CALL PROCEDURES INITIAL ACTION/SYSTEM CHECKS DocuPrint C55/C55mp/[NC60]...
Page 12 Rollers. Do not rotate the Feed Rollers more than 270° while cleaning. Apply Rubber restore if available. 8. Check the Transfer Drum Nip Adjustment (ADJ 11.1) 9. Wipe the outside of the printer. SERVICE CALL PROCEDURES EVERY CALL ACTIVITIES/ 2/99 SCHEDULED MAINTENANCE DocuPrint C55/C55mp/[NC60]...
Page 13 NVM is reset or the PCU Down until Print PQ Set and press PWB is replaced. Enter. 3. If possible, ask the customer to print one of their representative prints to examine and comment on. 2/99 SERVICE CALL PROCEDURES FINAL ACTION DocuPrint C55/C55mp/[NC60]...
Page 14 Notes: SERVICE CALL PROCEDURES 2/99 NOTES DocuPrint C55/C55mp/[NC60]...
Page 15: Status Indicator Raps
ERROR ------------------------------------- 2-13 OF8 ARCING RAP --------------------------- 2-41 U5-POLYGON MOTOR FAULT ------------ 2-25 H3-HARD DISK FULL------------------------- 2-14 U6-MOTOR FAULT (DEVELOPER) ------ 2-26 H4-FORMAT HARD DRIVE ----------------- 2-14 U7- MOTOR FAULT (MAIN) ---------------- 2-27 2/99 STATUS INDICATOR RAPs SECTION CONTENTS DocuPrint C55/C55mp/[NC60]...
Page 16: Contents
Connector Location Figure Numbers CN100’ s PCU PWB/ESS PWB CN200’ s Cassette PWB CN300’ s Connector PWB CN400’ s Control Panel PWB CN700’ s LVPS PWB CN800’ s HVPS PWB STATUS INDICATOR RAPs 2/99 TROUBLESHOOTING TIPS DocuPrint C55/C55mp/[NC60]...
Page 17: C1-Check Tray
Check for a broken Sensor Flag on the Tray 2 PWB. If the problem still exists, replace the Cassette. Cassette PWB. If the problem still exists, replace the PCU PWB. If the problem still exists, replace the Cassette PWB. 2/99 STATUS INDICATOR RAPs C1, C2 DocuPrint C55/C55mp/[NC60]...
Page 18: E1-Tray 1 Jam
Go to BSD 7.4 in Section 7 and trouble- Remove cassette actuate shoot the Feed Solenoid signal, and +24 deactuate the Tray Empty Sensor while VDC Interlocked (CN101-5, 3) for an observing the Black LED. open. STATUS INDICATOR RAPs 2/99 DocuPrint C55/C55mp/[NC60]...
Page 19: E2-Tray 2 Jam
T2 Tray Empty Sensor signal (CN109-4) for a short to ground. If no short exists, replace the PCU PWB. If the problem still exists, replace the Tray 2 Empty Sensor. 2/99 STATUS INDICATOR RAPs E2, E3 DocuPrint C55/C55mp/[NC60]...
Page 20: E4-Input Jam
Stripper Solenoid signal and +24 Sensor while observing the Cyan LED. VDC Interlocked (CN103-4, CN303-2,1) for an open. If no open exists, replace the PCU PWB. If the problem still exists, replace the Stripper Solenoid. STATUS INDICATOR RAPs 2/99 DocuPrint C55/C55mp/[NC60]...
Page 21: E5 Fuser Jam
Bypass Switch while observing the Cyan LED. The Cyan LED switches on and off. Go to BSD 10.2 and troubleshoot the Strobe 2 signal CN103-18 for an open. If no open exists replace the PCU PWB. 2/99 STATUS INDICATOR RAPs DocuPrint C55/C55mp/[NC60]...
Page 22: E6-Drum Jam
Switch the Printer on. Observe the Transfer consistent operation. Do not attempt to Drum Cleaning Solenoid and the Cleaner disassemble and adjust the clutch. If the Assembly. clutch is defective order the new Cleaner Clutch Shaft Assembly. STATUS INDICATOR RAPs 2/99 DocuPrint C55/C55mp/[NC60]...
Page 23 Fuser Drive Motor for an open. If the motor was noisy, check the clock lines for an open or short If the lines are OK, replace the PCU PWB. If the problem still exists, replace the Fuser Drive Motor. 2/99 STATUS INDICATOR RAPs DocuPrint C55/C55mp/[NC60]...
Page 24: E7-Print Drum Jam
If no short exists, replace the PCU PWB. If the problem still exists, replace the Exit Sensor. Check the following: • Obstructions in the paper path. • Mechanical drive problem in the feedout area. STATUS INDICATOR RAPs 2/99 E7, E8, E9 2-10 DocuPrint C55/C55mp/[NC60]...
Page 25: Ea-Color Dev. Misinstalled
If the problem persists, check connector CN118 for a good connection or any loose wiring before replacing the Color Developer Module. If the problem still exists, replace the PCU PWB. 2/99 STATUS INDICATOR RAPs EA, EB, EC DocuPrint C55/C55mp/[NC60] 2-11...
Page 26 If the problem still exists, replace the Floppy If the problem still exists, replace the Floppy Drive before replacing the ESS PWB. Drive before replacing the ESS PWB. Drive before replacing the ESS PWB. STATUS INDICATOR RAPs 2/99 F1, F2, F3 2-12 DocuPrint C55/C55mp/[NC60]...
Page 27: H1-Hard Disk Error
Power On Version X.XX, then release the keys. This will enable the Reset Menu. Menu Up until Reset Menu, Item Up until Factor Defaults, Value Up until Yes, then press Enter. 2/99 STATUS INDICATOR RAPs H1, H2 DocuPrint C55/C55mp/[NC60] 2-13...
Page 28: H3-Hard Disk Full
Hard Disk. Disk. If the Hard Disk still does not write, have the If the H4 occurs again, reformat the hard disk: customer remove some of the files from the Hard Disk. STATUS INDICATOR RAPs 2/99 H3, H4 2-14 DocuPrint C55/C55mp/[NC60]...
Page 29: J1-Add Yellow Toner
MOTOR TEST program and Press Form BSD 9.10. Feed [1] to switch on the motors while If the ground is OK, replace the PCU PWB. observing the Color Toner Motor. The Color Toner Motor is rotating normally. 2/99 STATUS INDICATOR RAPs DocuPrint C55/C55mp/[NC60] 2-15...
Page 30: J2-Add Magenta Toner
MOTOR TEST program and Press Form 21) BSD 9.10. Feed [1] to switch on the motors while If the ground is OK, replace the PCU PWB. observing the Color Toner Motor. The Color Toner Motor is rotating normally. STATUS INDICATOR RAPs 2/99 2-16 DocuPrint C55/C55mp/[NC60]...
Page 31: J3-Add Cyan Toner
MOTOR TEST program and Press Form 17) BSD 9.10. Feed [1] to switch on the motors while If the ground is OK, replace the PCU PWB. observing the Color Toner Motor. The Color Toner Motor is rotating normally. 2/99 STATUS INDICATOR RAPs DocuPrint C55/C55mp/[NC60] 2-17...
Page 32: J4-Add Black Toner
2 seconds or Check the ground to the Black Toner overtoning can result. Concentration Sensor (CN107-2 to CN1001-4) BSD 9.7. If the ground is OK, replace the PCU PWB. STATUS INDICATOR RAPs 2/99 2-18 DocuPrint C55/C55mp/[NC60]...
Page 33: J5-Replace Color Developer Cartridge
• Magenta Toner Sense signal for an open or Developer Cartridge. If the problem still exists, a short to ground (CN118-9). replace the PCU PWB. • Magenta Toner +5 VDC for an open (CN118-2). 2/99 STATUS INDICATOR RAPs J5, J6 DocuPrint C55/C55mp/[NC60] 2-19...
Page 34: J7-Toner Collector Full
BSD 9.2 and check the Drum Detect signal (CN107-19). If all of the above check OK, replace the Print Drum Cartridge. If the problem still exists, replace the PCU PWB. STATUS INDICATOR RAPs 2/99 J7, J8, J9 2-20 DocuPrint C55/C55mp/[NC60]...
Page 35: Ja-Replace Oil/Pad
Replace the PCU PWB. premature failure, follow applicable Roll and Oil Bottle. If the problem still exists, warranty replacement procedures. replace the PCU PWB. If the problem still exists continue with this RAP. 2/99 STATUS INDICATOR RAPs JA, T0 DocuPrint C55/C55mp/[NC60] 2-21...
Page 36: T1- Under Temperature
If the problem still exists, meter between pins 1 & 2 of CN1008 the replace Voltage Power Fuser side, (left connector) and measure the Supply. resistance. The resistance is less than 10 Ohms. STATUS INDICATOR RAPs 2/99 2-22 DocuPrint C55/C55mp/[NC60]...
Page 37: T2- Over Temperature
Fuser on (L) signal for a short to ground CN107-18). If the wiring is OK, replace the PCU PWB. If the problem still exists, replace the Low Voltage Power Supply. Triac shorted, replace the Low Voltage Power Supply. 2/99 STATUS INDICATOR RAPs T2, U0 DocuPrint C55/C55mp/[NC60] 2-23...
Page 38: U1-Iot Ram Error
Switch the power off wait 10 seconds and switch the power on. Recheck for the U2 fault. If the problem still exists, refer to ADJ 3.3 NVM Initialization (U2) in section 4. STATUS INDICATOR RAPs 2/99 U1, U2, U3 2-24 DocuPrint C55/C55mp/[NC60]...
Page 39: U4-Optics Fault
If no open exists, replace the PCU PWB. If the problem still exists, replace the Laser Interlock Switch Go to BSD 6 in Section 7 Connector CN113 and check the following pins for a good connection: 2/99 STATUS INDICATOR RAPs U4, U5 DocuPrint C55/C55mp/[NC60] 2-25...
Page 40: U6-Motor Fault (Developer)
Set up the meter to read +24 VDC. If OK, replace the PCU PWB. If the problem Connect the meter to CN117-3 and ground still exists, replace the Developer Drive Motor. (− ). STATUS INDICATOR RAPs 2/99 2-26 DocuPrint C55/C55mp/[NC60]...
Page 41: U7- Motor Fault (Main)
Check for any binding caused by a tucked over Transfer Drum Cleaner Brush Blade Reinstall the Print Drum Module. Switch the power off wait 10 seconds and switch the power on. Recheck for the fault. 2/99 STATUS INDICATOR RAPs DocuPrint C55/C55mp/[NC60] 2-27...
Page 42 If the J8 code still exists, refer to the J8 RAP If the J5 code still exists, refer to the J5 RAP If the J6 code still exists, refer to the J6 RAP STATUS INDICATOR RAPs 2/99 W1, W2, W3 2-28 DocuPrint C55/C55mp/[NC60]...
Page 43: End Of Use)
J9 and W4 codes will no longer appear. W5 codes should no longer appear. If the J9 code still exists, refer to the J9 RAP If the JA code still exists, refer to the JA RAP 2/99 STATUS INDICATOR RAPs W4, W5 DocuPrint C55/C55mp/[NC60] 2-29...
Page 44 The ESS appears to boot normally and the Control Panel is blank. Check CN104, the ESS to IOT connector. If OK, go to OF6A (C55/C55mp) or OF6B [NC60]. Go to OF2 CONTROL PANEL RAP OTHER FAULTS RAP’ s 2/99 2-30 DocuPrint C55/C55mp/[NC60]...
Page 45 LEDs are off. No motors or fans are heard when the printer is switched on. The printer booted when it was switched on. The display is now a circling asterisk. Replace the NIC 2/99 OTHER FAULTS RAPs DocuPrint C55/C55mp/[NC60] 2-31...
Page 46: Of2 Control Panel Rap
If all appear OK, replace the Control Panel PWB. open. If the problem still exists, replace the PCU PWB. If all appear OK, replace the Control Panel PWB. If the problem still exists, replace the PCU PWB. OTHER FAULTS RAPs 2/99 2-32 DocuPrint C55/C55mp/[NC60]...
Page 47 If all appear OK, replace the Control Panel If all appear OK, replace the Control Panel PWB. PWB, If the problem still exists, replace the PCU If the problem still exists, replace the PCU PWB. PWB. 2/99 OTHER FAULTS RAPs DocuPrint C55/C55mp/[NC60] 2-33...
Page 48 RAM configuration (2-8 MB SIMM’ s) this will verify if this is a DRAM problem. If the printer works in the original configuration but not with customers memory, replace the ESS PWB. OTHER FAULTS RAPs 2/99 2-34 DocuPrint C55/C55mp/[NC60]...
Page 49: Sensing Rap
If wiring is OK, replace the PCU PWB. If 3, CN107-11 for a short to ground. 10.5" 11", A4 14" the problem still exists, replace the Cassette PWB. Figure 2-3 Length Stop Location 2/99 OTHER FAULTS RAPs DocuPrint C55/C55mp/[NC60] 2-35...
Page 50 • Magenta is Off. Check the T2 Paper Size 1 signal, CN109-2 for a short to ground. • Yellow is Off. Check the T2 Paper Size 2 signal, CN109-3 for a short to ground. OTHER FAULTS RAPs 2/99 2-36 DocuPrint C55/C55mp/[NC60]...
Page 51: Of5 Load Paper Rap
If the problem still exists, replace the PCU PWB. PWB. Replace the PCU PWB. If the problem still Replace the PCU PWB. If the problem still exists, replace the ESS PWB. exists, replace the ESS PWB. 2/99 OTHER FAULTS RAPs DocuPrint C55/C55mp/[NC60] 2-37...
Page 52: Of6Aess Rap (C55/C55Mp)
Switch the Printer on while observing the LEDs. If you need to do it several times, be sure to wait 10 seconds after power off before switching the Printer back on. The LEDs operated normally. OTHER FAULTS RAPs 2/99 OF6A 2-38 DocuPrint C55/C55mp...
Page 53: Of6Bess Rap [Nc60]
• Customer is using 100 MB NIC or Token OF6B ESS RAP [NC60] Ring (Optional NIC Card). Check the plug in RAM to ensure it is This RAP is used when you suspect a problem • Examine the NIC card for any obvious seated properly and is at least 32 MB.
Page 54: Error Codes [Nc60]
OF7 ESS BOOT FAILURE ERROR Table 1 Boot Error Codes CODES [NC60] Message LED Flash Description Action During the ESS Boot process several tests Rate and checks are performed. 0001-ESS Major ESS failure. Replace ESS. If a failure occurs, and the ESS can communi- cate with the Control Panel, an error code will 0001-BASE RAM Base Ram failure.
Page 55: Of8 Arcing Rap
If the problem persists, refer to BSD 9.4 in Section 7 and check the Red leads to the Print Drum Module for an open. Replace the Print Drum Module. 2/99 OTHER FAULTS RAPs DocuPrint C55/C55mp/[NC60] 2-41...
Page 56 NOTES: OTHER FAULTS RAPs 2/99 NOTES 2-42 DocuPrint C55/C55mp/[NC60]...
Page 57: Image Quality
22. LIGHT DENSITY IN A SINGLE COLOR..3-12 42. WRINKLED PAPER ........ 3-17 23. LIGHT DENSITY ALL COLORS ....3-12 43. WRONG COLORS (ON ESS TEST PATTERNS)..........3-18 24. LIGHT LINES/DELETIONS LEAD TO TRAIL EDGE......3-13 2/99 IMAGE QUALITY SECTION CONTENTS DocuPrint C55/C55mp/[NC60]...
Page 58: Image Quality Raps
PQ Set test patterns. These test patterns 4. Locate The Defect in Table 1, and perform are generated in the ESS. the corresponding corrective action. 2. Print the IOT Test Pattern. 3. Inspect the test prints for image quality defects. IMAGE QUALITY RAPs 2/99 DocuPrint C55/C55mp/[NC60]...
Page 59: Background (Overall)
100 CN105-1, Humidity Sense, for an open. > CN105-2, Humidity Sense, GND for an open. Temp=0 CN105-5, Temp. Sense, for an open or short to ground. If the wiring checks OK, replace the Tem- perature/Humidity Sensor. 2/99 IMAGE QUALITY RAPs IMAGE QUALITY DEFECTS DocuPrint C55/C55mp/[NC60]...
Page 60: Background (Black)
100 CN105-1, Humidity Sense, for an open. > CN105-2, Humidity Sense, GND for an open. Temp=0 CN105-5, Temp. Sense, for an open or short to ground. If the wiring checks OK, replace the Tem- perature/Humidity Sensor. IMAGE QUALITY RAPs 2/99 IMAGE QUALITY DEFECTS DocuPrint C55/C55mp/[NC60]...
Page 61: Background (Cyan)
CN803-5 for an open. If the wiring is OK refer to BSD 9.10 and check the Yellow Toner Solenoid CN115-16 for a short to ground. If no short is present, replace the color developer module. 2/99 IMAGE QUALITY RAPs IMAGE QUALITY DEFECTS DocuPrint C55/C55mp/[NC60]...
Page 62: Black Print
DATA line (CN104-11) for a short to ground. 10. PCU PWB or ESS PWB defective. 10. Replace PCU PWB. If problem still exists, replace the ESS PWB. 11. Laser beam is always on. 11. Replace the ROS. IMAGE QUALITY RAPs 2/99 IMAGE QUALITY DEFECTS DocuPrint C55/C55mp/[NC60]...
Page 63: Blank Print
ON signal (CN115-2) does not go low during print, replace the PCU PWB. 2. Constant Black Magnetic Roll cleaning. 2. Cleaning Cam timing incorrect, refer to the Magnetic Roller Cleaning Cams adjustment (ADJ 6.1) and perform the check. 2/99 IMAGE QUALITY RAPs IMAGE QUALITY DEFECTS DocuPrint C55/C55mp/[NC60]...
Page 64: Blank Print (Cyan)
2. Perform the Density and Color Balance Adjustment. (ADJ. 3.1). Run 300 prints to “ break in” the new developer housing. Enter Special diagnostics, scroll to ID Level, set offending color to 80. IMAGE QUALITY RAPs 2/99 IMAGE QUALITY DEFECTS DocuPrint C55/C55mp/[NC60]...
Page 65: Dark Density (All Colors)
RH > 100 CN105-1, Humidity Sense, for an open. CN105-2, Humidity Sense, GND for an open. Temp=0 CN105-5, Temp. Sense, for an open or short to ground. If the wiring checks OK, replace the Tem- perature/Humidity Sensor. 2/99 IMAGE QUALITY RAPs IMAGE QUALITY DEFECTS DocuPrint C55/C55mp/[NC60]...
Page 66: Dark Density (Single Color)
9. Oil Leakage. 9. Replace all oil contaminated parts. Clean as required, pay special attention to the Transfer Drum Cleaning Brush. Oil on the brush will re-contaminate the Print Drum. IMAGE QUALITY RAPs 2/99 IMAGE QUALITY DEFECTS 3-10 DocuPrint C55/C55mp/[NC60]...
Page 67: 17. Dark Spots
4. Refer to BSD 9.21 and check the Waste Toner Full signal, CN102-3, for a short to ground. 5. High volume Printer. 5. Increase the cleaning cycles. Refer to GP 3.4 in Section 6 2/99 IMAGE QUALITY RAPs IMAGE QUALITY DEFECTS DocuPrint C55/C55mp/[NC60] 3-11...
Page 68: 21. Fuzzy Image
Check Transfer Drum Nip. ADJ 11. 3. Print Drum Arcing. 3. Refer to OF8 Arcing RAP in Section 2. 4. Printer not level. 4. Level printer. 5. Weak Laser Diode output. 5. Replace ROS assembly. IMAGE QUALITY RAPs 2/99 IMAGE QUALITY DEFECTS 3-12 DocuPrint C55/C55mp/[NC60]...
Page 69: Light Lines/Deletions Lead To Trail Edge
1. Fuser Speed incorrect (V66 IOT Firmware). 1. Perform Fuser Speed check. (GP. 3.1) 2. Transfer Drum to Print Drum Nip to large. 2. Perform the Transfer Drum Nip check (ADJ 11.1). 2/99 IMAGE QUALITY RAPs IMAGE QUALITY DEFECTS DocuPrint C55/C55mp/[NC60] 3-13...
Page 70: Misregistration (Side To Side)
1. Check for any spills from bottle replacement. If OK, check for fuser oil leaks. Replace the These may appear as background or black spots on the print. Fuser if required. IMAGE QUALITY RAPs 2/99 IMAGE QUALITY DEFECTS 3-14 DocuPrint C55/C55mp/[NC60]...
Page 71: Repeating Print Defects Every 220 Mm (8.66")
• Check contact between right transfer drum bearing and Transfer contact on frame. • Check Transfer Drum Nip. ADJ 11.1 in Section 2. • Paper out of specification. Use 20 to 24 lb. paper. 2/99 IMAGE QUALITY RAPs IMAGE QUALITY DEFECTS DocuPrint C55/C55mp/[NC60] 3-15...
Page 72: 36. Residual Image
2. Replace the main drive belt. 40. SMEARS RANDOM. (BLACK PRINTS OK). 1. Image being disturbed during transfer. 1. Foreign material in Transfer Drum Cleaning Brush or in Transfer Drum Lower Frame. IMAGE QUALITY RAPs 2/99 IMAGE QUALITY DEFECTS 3-16 DocuPrint C55/C55mp/[NC60]...
Page 73: 41. Transparency Problems
6. Replace Fuser Module. transfer, observe print on transfer drum). 7. Exit roller skewed. (wrinkle occurs after 7. Check for broken or missing bearings. fusing). Replace output shaft if required. 2/99 IMAGE QUALITY RAPs IMAGE QUALITY DEFECTS DocuPrint C55/C55mp/[NC60] 3-17...
Page 74: Wrong Colors (On Ess Test Patterns)
BSD 9.1 CN106-11, M Bias On, for a short to ground. BSD 9.9 CN115-8, Yellow Magnetic Clutch on, Yellow for a short to ground. BSD 9.1 CN106-10, Y Bias On, for a short to ground. IMAGE QUALITY RAPs 2/99 IMAGE QUALITY DEFECTS 3-18 DocuPrint C55/C55mp/[NC60]...
Page 75: Ess Generated Test Patterns
Abc Defg Hijk Lmnop Qrstuvw XYZ 123456789 Abc Defg Hijk Lmnop Qrstuvw XYZ 123456789 C gogo C gogo C gogo C gogo C gogo C gogo C gogo 261 mm 2/99 IMAGE QUALITY SPECIFICATIONS TEST PATTERNS DocuPrint C55/C55mp/[NC60] 3-19...
Page 76 NOTES: IMAGE QUALITY SPECIFICATIONS 2/99 NOTES 3-20 DocuPrint C55/C55mp/[NC60]...
Page 77: Density And Color Balance Test Pattern
ESS before performing this adjustment. 3. Adjust Color Balance: Choose The circle Which Best Matches The Gray Reference abcdef abcdef abcdef abcdef abcdef abcdef abcdef abcdef Gray Reference Current Xerox Corporation, 1996 ver 1.2 2/99 IMAGE QUALITY SPECIFICATIONS TEST PATTERNS DocuPrint C55/C55mp/[NC60] 3-21...
Page 78: Diagnostic Test Pattern. (C55/C55Mp)
These values will also change when the color counts (General information balance procedure is performed. Diagnostic sheet). • Dirty white patch on transfer drum. The toner concentration in the developer assembly is too high. IMAGE QUALITY SPECIFICATIONS 2/99 TEST PATTERNS 3-22 DocuPrint C55/C55mp...
Page 79: Printer Diagnostics
Yellow: 374 Volts Adjustments - These readings are stored in the ESS. If the ESS is replaced, these values will need to be re-entered. The DOCUMENT COMPANY Visit our web site at http://xerox.networkprinters.com/products/c55 2/99 IMAGE QUALITY SPECIFICATIONS TEST PATTERNS DocuPrint C55/C55mp...
Page 80: Diagnostic Sheet [Nc60]
Diagnostic Sheet [NC60] Process Control Status: Density Rate Setpoints: This test pattern can be used by the Help If Black, Cyan, Magenta, or Yellow, indicate: The default is 90, If the Density and Color Center to determine the status of some of the Balance has been adjusted, these setpoints Under Limit Error - Process controls thinks machine parameters.
Page 81 Xerox DocuPrint NC60 Color Laser Printer Delta - this is the difference between the Control Point Diagnostic Sheet and the Value measured. The delta will vary but rarely exceeds 20. Process Voltage General Information Density Rate Set Points Transfer Bias - This is the voltage applied to the Transfer...
Page 82: 100% Stripe Test Pattern
The pattern includes the basic colors (Cyan, Magenta, Yellow, and Black) and the process colors (Red, Blue, and Green). This test pattern is useful to isolate a problem to one of the basic colors. IMAGE QUALITY SPECIFICATIONS 2/99 TEST PATTERNS 3-26 DocuPrint C55/C55mp/[NC60]...
Page 83: Step Test Pattern
The pattern can be run in any of the four basic colors (Cyan, Magenta, Yellow, and Black). This test pattern is useful to isolate a problem to a specific color. 2/99 IMAGE QUALITY SPECIFICATIONS TEST PATTERNS DocuPrint C55/C55mp/[NC60] 3-27...
Page 84: 35% Halftone
Black 35% Halftone 35% Halftone This test pattern consists of a full page, 35% area coverage, halftone pattern. This pattern are useful in troubleshooting problems black developer subsystem. IMAGE QUALITY SPECIFICATIONS 2/99 TEST PATTERNS 3-28 DocuPrint C55/C55mp/[NC60]...
Page 85: Blank Print
When selected, each developer housing is switched on a small + indicates which color is running. remainder of the print is blank. This print can be useful when troubleshooting residual image or offsetting problems. 2/99 IMAGE QUALITY SPECIFICATIONS TEST PATTERNS DocuPrint C55/C55mp/[NC60] 3-29...
Page 86: Iot Generated Test Patterns
If the IOT test pattern prints OK, but test patterns sent from the ESS are bad; the problem must be associated with the ESS. Anytime the IOT test pattern prints bad the problem is associated with the IOT. IMAGE QUALITY SPECIFICATIONS 2/99 TEST PATTERNS 3-30 DocuPrint C55/C55mp/[NC60]...
Page 87: Definitions
Drum. Color Banding - Repeating color bands. See NOTE: This defect, ghosting, is one of three lines, bands, streaks. similar image quality problems listed below. 2/99 IMAGE QUALITY RAPs IMAGE QUALITY DEFECTS DocuPrint C55/C55mp/[NC60] 3-31...
Page 88 It can be the entire image or may look like a band or streak. a part of the image. Wrinkles or creases - Creasing or folds on the print in the lead to trail edge direction. IMAGE QUALITY RAPs 2/99 IMAGE QUALITY DEFECTS 3-32 DocuPrint C55/C55mp/[NC60]...
Page 89 CLEANER ASSEMBLY------------- 4-39 REP 27.7 TRAY 2 DRIVE ROLLER AND DRIVE REP 9.5 TRANSFER DRUM CLEANER REP 5.2 MAGNETIC ROLLER CLUTCH ------------------------------- 4-55 CLUTCHES----------------------------4-18 BRUSH CLUTCH ------------------- 4-40 REP 9.6 TRANSFER DRUM CLEANING BLADE------------------ 4-40 2/99 REPAIRS/ADJUSTMENTS SECTION CONTENTS DocuPrint C55/C55mp/[NC60]...
Page 90 NVM INITIALIZE (U2) ---------------4-62 ADJ 4.1 MAGNETIC ROLLER CLEANER SOLENOID ----------------------------4-65 ADJ 6.1 MAGNETIC ROLLER CLEANER CAMS --------------------4-66 ADJ 9.1 EA “ TONE DOWN’ PROCEDURE -------------------------4-67 ADJ 11.1 TRANSFER DRUM NIP ------------4-68 ADJ 12.1 ROS POSITIONING -----------------4-70 REPAIRS/ADJUSTMENTS 2/99 SECTION CONTENTS DocuPrint C55/C55mp/[NC60]...
Page 91: Covers
2. Remove two screws. lift up, then out, and remove the Rear Cover. 3. Remove four screws and remove the Top Rear Cover. Screws Screws Top Rear Figure 1. Removing the Rear Cover Cover Figure 1. Removing the Top Rear Cover 2/99 REPAIRS/ADJUSTMENTS REP 1.1, 1.2 DocuPrint C55/C55mp/[NC60]...
Page 92: Rep 1.3 Side Cover
3. Disconnect CN305. Upper Rear 4. Remove the Front Cover. Cover Screws Screws Fuser Cover CN305 Screws Screws Figure 1. Removing the Front Cover Figure 1. Removing the Side Covers REPAIRS/ADJUSTMENTS 2/99 REP 1.3, 1.4 DocuPrint C55/C55mp/[NC60]...
Page 93: Rep 2.1 Top Front Cover
1. Open the Transfer Drum Assembly. 2. Release and open the Fuser Cover. 3. (Figure 1): Remove five screws and remove the Top Front Cover. Top Front Cover Screws Screws Figure 1. Removing the Top Front Cover 2/99 REPAIRS/ADJUSTMENTS REP 2.1 DocuPrint C55/C55mp/[NC60]...
Page 94: Low Voltage Power Supply
Right Side Cover (REP 1.3). d. Paper Cassette e. Photoreceptor Module. Color Developer Module. g. Black Developer Module. Low Voltage Power Supply CN202 Figure 1. Removing the Connector Cover Figure 2. Removing the Low Voltage Power Supply REPAIRS/ADJUSTMENTS 2/99 REP 3.1 DocuPrint C55/C55mp/[NC60]...
Page 95: Rep 3.2 Cassette Pwb
GP 3.5 to perform a factory reset. This will erase following: any existing serial number. INITIALIZING THE NVM Figure 1. Removing the Cassette PWB steps 1 through 7. 4. Reinstall the PCU PWB Cover. 2/99 REPAIRS/ADJUSTMENTS REP 3.2, 3.3, 3.4 DocuPrint C55/C55mp/[NC60]...
Page 96: Rep 4.1 Main Drive Motor
E-ring and remove the Harness Cover. Harness Main Drive Cover Motor Figure 3. Removing the Main Drive Motor Main Drive Motor Assembly Figure 2. Removing the Main Drive Motor Assembly Figure 1. Removing the Harness Cover REPAIRS/ADJUSTMENTS 2/99 REP 4.1 DocuPrint C55/C55mp/[NC60]...
Page 97: Rep 4.2 Main Drive Motor Belts
3. Disconnect CN112 and remove from the harness. Belt B 4. Remove the screws and remove the Main Drive Motor Assembly. Main Drive Figure 2. Removing the Main Drive Belts Motor Assembly Figure 1. Removing the Main Drive Motor Assembly 2/99 REPAIRS/ADJUSTMENTS REP 4.2 DocuPrint C55/C55mp/[NC60]...
Page 98: Rep 4.3 Developer Drive Motor Belts
Remove the 4 Clutch Covers c. Remove the E Rings and Screws and Pulley then remove the Outer Drive Frame. Figure 1. Removing the Outer Drive Frame Figure 3. Removing Developer Drive Belt D REPAIRS/ADJUSTMENTS 2/99 REP 4.3 4-10 DocuPrint C55/C55mp/[NC60]...
Page 99: Rep 4.4 Interlock Switches
Remove the 4 Clutch Covers 24 V Interlock Switch c. Remove the E Rings and Screws and then remove the Outer Drive Frame. Pulley Figure 2. Removing the Interlock Switches Figure 1. Removing the Outer Drive Frame 2/99 REPAIRS/ADJUSTMENTS REP 4.4 DocuPrint C55/C55mp/[NC60] 4-11...
Page 100: Rep 4.5 Color Toner Motor
Remove the 4 Clutch Covers c. Remove the E Rings and Screws and Figure 2. Removing the Color Toner Motor then remove the Outer Drive Frame. Pulley Figure 1. Removing the Outer Drive Frame REPAIRS/ADJUSTMENTS 2/99 REP 4.5 4-12 DocuPrint C55/C55mp/[NC60]...
Page 101: Rep 4.6 Developer Motor
2. Remove Main Drive Motor Belts (REP 4.2) 3. Remove the Developer Drive Motor Belts (REP 4.3) 4. (Figure 1): Disconnect the connector and Figure 1. Removing the Developer Motor remove the Developer Motor. 2/99 REPAIRS/ADJUSTMENTS REP 4.6 DocuPrint C55/C55mp/[NC60] 4-13...
Page 102: Toner Solenoids
Black Developer Module. d. Right Side Cover (REP 1.3). e. Top Cover (REP 1.1). Rear Cover (REP 1.2). Drive Cover Figure 1. Removing the Drive Cover Tension Springs Figure 2. Removing the Springs REPAIRS/ADJUSTMENTS 2/99 REP 4.7 4-14 DocuPrint C55/C55mp/[NC60]...
Page 103 5. (Figure 4): Remove the Inner Drive Frame. 6. (Figure 5): Remove the appropriate Toner Solenoid. Pins Inner Drive Frame Figure 5. Removing the Toner Solenoid Block Figure 3. Removing the Pins and Block Figure 4. Removing the Inner Frame 2/99 REPAIRS/ADJUSTMENTS REP 4.7 DocuPrint C55/C55mp/[NC60] 4-15...
Page 104: Rep 4.8 Magnetic Roller Cleaning Solenoid
Magnetic Roller Cleaning Solenoid c. Remove the E Rings and Screws and Pulley then remove the Outer Drive Frame. Figure 1. Removing the Outer Drive Frame Figure 2. Removing the Magnetic Roller Cleaning Solenoid REPAIRS/ADJUSTMENTS 2/99 REP 4.8 4-16 DocuPrint C55/C55mp/[NC60]...
Page 105: C, M, Y, Toner Clutches And Magnetic Roller Cleaner Clutch
Right Side Cover (REP 1.3). e. Top Cover (REP 1.1). Rear Cover (REP 1.2). 2. (Figure 1): Remove the appropriate Clutch Cover and remove the Clutch. Magnetic Roller Cleaner Clutch Figure 1. Removing the Clutches 2/99 REPAIRS/ADJUSTMENTS REP 5.1 DocuPrint C55/C55mp/[NC60] 4-17...
Page 106: Magnetic Roller Clutches
Right Side Cover (REP 1.3). e. Top Cover (REP 1.1). Rear Cover (REP 1.2). Drive 2. Remove Main Drive Motor Belts Cover (REP 4.2). Figure 1. Removing the Drive Cover Tension Springs Figure 2. Removing the Springs REPAIRS/ADJUSTMENTS 2/99 REP 5.2 4-18 DocuPrint C55/C55mp/[NC60]...
Page 107 Remove the Outer Drive Frame. Outer Drive Frame Pins Clutch Covers Inner Drive Frame Block Figure 3. Removing the Pins and Block Figure 4. Removing the Inner Drive Frame Pulley Figure 5. Removing the Outer Drive Frame 2/99 REPAIRS/ADJUSTMENTS REP 5.2 DocuPrint C55/C55mp/[NC60] 4-19...
Page 108 8. (Figure 6): Remove the Magnetic Roller Clutch. Magnetic Roller Clutch Figure 6. Removing the Magnetic Roller Clutch REPAIRS/ADJUSTMENTS 2/99 REP 5.2 4-20 DocuPrint C55/C55mp/[NC60]...
Page 109: Rep 6.1 Drum Terminals
2. (Figure 1): Remove the screws and remove the Transfer, Charge, and Grid leads. Drive Drum Cover Terminals Figure 2. Removing the Drive Cover Figure 3. Removing the Drum Terminals Leads Figure 1. Removing the High Voltage Leads 2/99 REPAIRS/ADJUSTMENTS REP 6.1 DocuPrint C55/C55mp/[NC60] 4-21...
Page 110: Rep 6.2 Slide Cams
Rear Cover (REP 1.2). 2. (Figure 1): Remove the Drive Cover. Tension Block Springs Figure 3. Removing the Pins and Block Figure 2. Removing the Springs Drive Cover Figure 1. Removing the Drive Cover REPAIRS/ADJUSTMENTS 2/99 REP 6.2 4-22 DocuPrint C55/C55mp/[NC60]...
Page 111 Shaft Springs Inner Drive Frame Slide Cam Lever Lower Cam Shaft Figure 5. Removing the Slide Cam Lever Figure 4. Removing the Inner Frame and Springs Figure 6. Removing the Shafts and Cams 2/99 REPAIRS/ADJUSTMENTS REP 6.2 DocuPrint C55/C55mp/[NC60] 4-23...
Page 112: Rep 8.1 Paper Guide (U-Shaped)
2. Remove the Front Cover (REP 1.4). 3. (Figure 1) Open the Transfer Drum Assembly and remove the Fuser. Figure 2. Removing the Clutch Cover Clip Clip Figure 3. Removing the Paper Guide Figure 1. Removing the Fuser REPAIRS/ADJUSTMENTS 2/99 REP 8.1 4-24 DocuPrint C55/C55mp/[NC60]...
Page 113: Rep 8.2 Paper Feed Assembly
2. (Figure 1): Remove the Connector Cover. Connector Cover Paper Feed Motor Figure 2. Removing the Paper Feed Motor Paper Feed Assembly A46B Figure 3. Removing the Paper Feed Assembly Figure 1. Removing the Connector Cover 2/99 REPAIRS/ADJUSTMENTS REP 8.2 DocuPrint C55/C55mp/[NC60] 4-25...
Page 114: Rep 8.3 Tray Empty Sensor
Tray Empty Sensor in the direction shown. 2. (Figure 1): Unclip and carefully remove the Registration Sensor. Tray Empty Sensor Registration Sensor Figure 1. Removing the Tray Empty Sensor Figure 1. Removing the Registration Sensor REPAIRS/ADJUSTMENTS 2/99 REP 8.3, 8.4 4-26 DocuPrint C55/C55mp/[NC60]...
Page 115: Rep 8.5 Feed Clutch & Solenoid
Paper Guide (REP 8.1) b. Paper Feed Assembly (REP 8.2). 2. (Figure 1): Remove the Feed Clutch and Feed Solenoid. Feed Clutch Spring Sleeve Gear Feed Solenoid Figure 1. Removing the Feed Solenoid and Feed Clutch 2/99 REPAIRS/ADJUSTMENTS REP 8.5 DocuPrint C55/C55mp/[NC60] 4-27...
Page 116: Rep 8.6 Registration Clutch
Paper Feed Assembly (REP 8.2). 2. (Figure 1): Remove the Grounding Roller Solenoid, Lower Registration Roller Gear and the Registration Clutch. Lower Registration Roller Gear Grounding Roller Solenoid Registration Clutch D18A Figure 1. Removing the Registration Clutch REPAIRS/ADJUSTMENTS 2/99 REP 8.6 4-28 DocuPrint C55/C55mp/[NC60]...
Page 117: Rep 8.7 Grounding Roller Clutch
Paper Feed Assembly (REP 8.2). 2. (Figure 1): Remove the Grounding Roller Clutch. Grounding Roller Gear Grounding Roller Clutch Spring Sleeve Lower Registration Roller Gear Grounding Roller Solenoid D18B Figure 1. Removing the Grounding Roller Clutch 2/99 REPAIRS/ADJUSTMENTS REP 8.7 DocuPrint C55/C55mp/[NC60] 4-29...
Page 118: Rep 8.8 Paper Drive Roller
Waste Toner Box from the Paper Feed Assembly. Sensor Cover Figure 2. Removing the Paper Drive Roller Sensor and Arm Spring Spring Waste Toner Figure 1. Removing the Toner Box REPAIRS/ADJUSTMENTS 2/99 REP 8.8 4-30 DocuPrint C55/C55mp/[NC60]...
Page 119: Rep 8.9 Grounding Roller
Sensor and Arm 5. (Figure 3): Remove E-Rings and springs and remove the Grounding Roller. Spring Spring Grounding Roller Waste Toner Figure 3. Removing the Grounding Roller Figure 1. Removing the Toner Box 2/99 REPAIRS/ADJUSTMENTS REP 8.9 DocuPrint C55/C55mp/[NC60] 4-31...
Page 120: Rep 8.10 Upper Registration Roller
Right Feeder Frame. Box make sure it slides back and forth smoothly. Spring Spring Right Feeder Waste Toner Frame Figure 3. Removing the Feeder Frame Figure 1. Removing the Toner Box REPAIRS/ADJUSTMENTS 2/99 REP 8.10 4-32 DocuPrint C55/C55mp/[NC60]...
Page 121: Rep 8.11 Lower Registration Roller
When reassembling the Waste Toner Box make sure it slides back and forth smoothly. Spring Spring Right Feeder Waste Toner Frame Figure 3. Removing the Feeder Frame Figure 1. Removing the Toner Box 2/99 REPAIRS/ADJUSTMENTS REP 8.11 DocuPrint C55/C55mp/[NC60] 4-33...
Page 122: Rep 8.12 Feed Roller
When reassembling the Waste Toner Box make sure it slides back and forth smoothly. Spring Spring Waste Toner Right Feeder Frame Figure 1. Removing the Toner Box Figure 3. Removing the Feeder Frame REPAIRS/ADJUSTMENTS 2/99 REP 8.12 4-34 DocuPrint C55/C55mp/[NC60]...
Page 123: Rep 8.13 Waste Toner Sensor
Paper Feed Assembly (REP 8.2). 2. (Figure 1): Remove the Waste Toner Sensor cover and the Waste Toner Sensor. Sensor Cover and Arm Waste Toner Sensor Figure 1. Removing the Waste Toner Sensor 2/99 REPAIRS/ADJUSTMENTS REP 8.13 DocuPrint C55/C55mp/[NC60] 4-35...
Page 124: Transfer Drum
Operate the Stripper Solenoid several times by hand and check the operation of the Stripper Fingers. Actuator Stripper Finger Assembly Figure 2. Removing the Stripper Finger Assembly Figure 1. Removing the Fuser Assembly REPAIRS/ADJUSTMENTS 2/99 REP 9.1 4-36 DocuPrint C55/C55mp/[NC60]...
Page 125: Rep 9.2 Transfer Drum Cleaning Solenoid
This will allow access to the screw securing the Transfer Drum Cleaning Solenoid. Figure 2. Removing the Transfer Drum Cleaning Solenoid E-Ring Figure 1. Removing the E-Ring 2/99 REPAIRS/ADJUSTMENTS REP 9.2 DocuPrint C55/C55mp/[NC60] 4-37...
Page 126: Rep 9.3 Transfer Drum Cleaner Clutch
When the Solenoid is deenergized, the Cleaning Assembly should be cammed away and the low point of the cam shaft should be pressing on the cleaner assembly. REPAIRS/ADJUSTMENTS 2/99 REP 9.3 4-38 DocuPrint C55/C55mp/[NC60]...
Page 127: Rep 9.4 Transfer Drum Cleaner Assembly
Figure 2. Removing the Transfer Drum Transfer Drum Cleaner Assembly Lower Frame A43A Figure 3. Reinstalling the Transfer Drum Transfer Drum Lower Frame Lower Frame Figure 1. Removing the Transfer Drum Lower Frame 2/99 REPAIRS/ADJUSTMENTS REP 9.4 DocuPrint C55/C55mp/[NC60] 4-39...
Page 128: Rep 9.5 Transfer Drum Cleaner
3. (Figure 1): Remove the Transfer Drum Cleaner Brush Clutch. Cleaning Blade. Clutch Cleaning Assembly Blade Figure 1. Removing the Transfer Drum Figure 1. Removing the Transfer Drum Cleaner Brush Clutch Cleaning Blade REPAIRS/ADJUSTMENTS 2/99 REP 9.5, 9.6 4-40 DocuPrint C55/C55mp/[NC60]...
Page 129: Cleaning Brush
(REP 9.4). 3. (Figure 1): Remove the Transfer Drum Cleaning Cleaner Brush Clutch. Brush Figure 2. Removing the Transfer Drum Cleaning Brush Clutch Assembly Figure 1. Removing the Transfer Drum Cleaner Brush Clutch 2/99 REPAIRS/ADJUSTMENTS REP 9.7 DocuPrint C55/C55mp/[NC60] 4-41...
Page 130 NOTES: REPAIRS/ADJUSTMENTS 2/99 NOTES 4-42 DocuPrint C55/C55mp/[NC60]...
Page 131: Transfer Drum
E-Ring on the left side. LH Flange V-Shaped Cutout Figure 1. Removing the Transfer Drum Transfer Drum Lower Frame Figure 2. Reinstalling the Transfer Drum 2/99 REPAIRS/ADJUSTMENTS REP 9.8 DocuPrint C55/C55mp/[NC60] 4-43...
Page 132 Main Motor frame. 2. (Figure 1): Remove the two screws and the E-Ring and remove the Harness Cover. Harness Cover Figure 2. Disconnecting the Oil Sensor Figure 1. Removing the Harness Cover REPAIRS/ADJUSTMENTS 2/99 REP 9.9 4-44 DocuPrint C55/C55mp/[NC60]...
Page 133 Transfer Assembly and remove the Right CN308 Pivot Arm. Spring Pivot E-Rings T03A T02A Pivot Figure 3. Disconnecting the Exit Sensor Figure 4. Removing the Right Pivot Arm E-Ring T03B Figure 5. Disconnecting the Left Pivot Arm 2/99 REPAIRS/ADJUSTMENTS REP 9.9 DocuPrint C55/C55mp/[NC60] 4-45...
Page 134: Transfer Assembly (Transfer Clamshell)
T04A Transfer Assembly Figure 7. Removing the Right E-Rings Figure 6. Removing the Left E-Rings REPLACEMENT NOTE: The longer pin goes on the left side. The large E-Rings are used on the inside. REPAIRS/ADJUSTMENTS 2/99 REP 9.9 4-46 DocuPrint C55/C55mp/[NC60]...
Page 135: Rep 10.1 Bypass Switch
Disconnect the connector, remove the screws, and remove the Transfer Discharge Power Supply. Cover Bypass Switch Transfer Discharge Power Supply Figure 1. Removing the Bypass Switch Figure 1. Removing the Transfer Discharge Power Supply 2/99 REPAIRS/ADJUSTMENTS REP 10.1, 10.2 DocuPrint C55/C55mp/[NC60] 4-47...
Page 136: Rep 10.3 Transparency Sensor
V-Shaped Cutout Transfer Drum Lower Frame Figure 2. Removing the Transparency Sensor A43A Figure 3. Reinstalling the Transfer Drum Lower Frame Transfer Drum Lower Frame Figure 1. Removing the Transfer Drum Lower Frame REPAIRS/ADJUSTMENTS 2/99 REP 10.3 4-48 DocuPrint C55/C55mp/[NC60]...
Page 137: Rep 10.4 Fuser Harness
1. Remove the Front Cover (REP 1.4). 2. Remove the Right Side Cover (REP 1.3) 3. (Figure 1): Remove the Fuser Assembly. Fuser Harness Figure 2. Removing the Fuser Harness Figure 1. Removing the Fuser Assembly 2/99 REPAIRS/ADJUSTMENTS REP 10.4 DocuPrint C55/C55mp/[NC60] 4-49...
Page 138: Rep 12.1 Ros Assembly
Switch the Main Power off and disconnect the Power Cord. 1. Remove the Top Rear Cover (REP 1.1) 2. (Figure 1): Disconnect the connectors, remove the screws, and remove the ROS Assembly. Assembly CN1007 CN113 Figure 1. Removing the ROS REPAIRS/ADJUSTMENTS 2/99 REP 12.1 4-50 DocuPrint C55/C55mp/[NC60]...
Page 139: Rep 13.1 Black Toner Motor
1. (Figure 1): Remove the following: a. Drum Module. b. Color Developer Module. c. Black Developer Module. Connectors Toner Motor Figure 3. Removing the Toner Motor Figure 2. Removing the Toner Hopper Figure 1. Removing the Modules 2/99 REPAIRS/ADJUSTMENTS REP 13.1 DocuPrint C55/C55mp/[NC60] 4-51...
Page 140: Rep 27.1 Tray 2 Module
Connectors holds the screw clockwise. Push lever Feeder Assembly Latch Figure 2. Reinstalling the Tray 2 Module Figure 1. Removing the Tray 2 Feeder Assembly Figure 1. Removing the Tray 2 Module REPAIRS/ADJUSTMENTS 2/99 REP 27.1, 27.2 4-52 DocuPrint C55/C55mp/[NC60]...
Page 141: Rep 27.3 Tray 2 Cassette Pwb
Remove the screws and remove the Tray Empty 2 Feeder Assembly. Sensor Cassette Connectors Rear Cover Figure 1. Removing the Tray 2 Empty Sensor Figure 1. Removing the Tray 2 Cassette PWB 2/99 REPAIRS/ADJUSTMENTS REP 27.3, 27.4 DocuPrint C55/C55mp/[NC60] 4-53...
Page 142: Rep 27.5 Tray 2 Feed Solenoid And Feed Clutch
3. Remove the Tray 2 Feed Clutch. Feed Rollers Feed Clutch Feed Solenoid Figure 1. Removing the Tray 2 Feed Rollers Figure 1. Removing the Tray 2 Feed Solenoid and Feed Clutch REPAIRS/ADJUSTMENTS 2/99 REP 27.5, 27.6 4-54 DocuPrint C55/C55mp/[NC60]...
Page 143: Rep 27.7 Tray 2 Drive Roller And Drive Clutch
2. Remove the Tray 2 Feed Solenoid and Feed Clutch (REP 27.5). 3. (Figure 1): Remove the Tray 2 Drive Clutch. Figure 2. Removing the Tray 2 Drive Roller Drive Clutch Figure 1. Removing the Tray 2 Drive Clutch 2/99 REPAIRS/ADJUSTMENTS REP 27.7 DocuPrint C55/C55mp/[NC60] 4-55...
Page 144: Adjustments
Color Balance adjustment changes the Cyan, Magenta, and Yellow Density Rate Setpoints Xerox Corporation, 1996 ver 1.2 8. Press Next until OK ALL CHANGES is and Developer Bias depending on the amount displayed, then press Enter.
Page 145 8. Press Next [6] until OK ALL CHANGES is 9. Press On Line to return the printer to the displayed, then press Enter [7]. On Line mode. 9. Press On Line [0] to return the printer to the On Line mode. 2/99 REPAIRS/ADJUSTMENTS ADJ 3.1.1 DocuPrint C55/C55mp 4-57...
Page 146: Adj 3.1.2 Density And Color Balance [Nc60]
Density Rate Setpoint and Developer Bias. Color Balance adjustment changes the Cyan, Gray Reference Magenta, and Yellow Density Rate Setpoints Xerox Corporation, 1999 ver 1.0 and Developer Bias depending on the amount and direction of change. Figure 1. Density and Color Balance...
Page 147 ADJ 3.1.2B Black Density [NC60] ADJ 3.1.2C Color Balance [NC60] CHECKING THE BLACK DENSITY CHECKING THE COLOR BALANCE 1. Run a print of the Color Balance Test 1. Run a print of the Color Balance Test Pattern (Menu Down until Color Adjust Pattern (Menu Down until Color Adjust then press Item Down).
Page 148: Adj 3.2.1 Margins (Side-To-Side And Top-To-Bottom) (C55/C55Mp)
The distance from the Lead Edge of the copy paper to the 8 mm line should be 8 mm. b. The distance from the Side Edge of the copy paper to the 8 mm line should be 8 mm. REPAIRS/ADJUSTMENTS 2/99 ADJ 3.2.1 4-60 DocuPrint C55/C55mp...
Page 149: Adj 3.2.2 Margins (Side-To-Side And Top-To-Bottom) [Nc60]
ADJUSTMENT: ADJ 3.2.2 MARGINS (SIDE-TO-SIDE and TOP-TO-BOTTOM) 1. Access the adjustment menu. [NC60] a. Press Menu Up until Service is Lead Edge displayed. PURPOSE: To adjust the top and left margins (with b. Press Item Down until Margin Left or respect to a portrait page) using the Control Margin Top is displayed.
Page 150: Adj 3.3 Nvm Initialize (U2)
Black Developer Images PRNT Total Print Quantity Fuser Usage YTON Yellow Toner Supply time (sec) MTON Magenta Toner Supply time (sec) CTON Cyan Toner On time (sec) KTON Black Toner On time (sec) Oil Usage REPAIRS/ADJUSTMENTS 2/99 ADJ 3.3 4-62 DocuPrint C55/C55mp/[NC60]...
Page 151 NOTE: The Toner concentration setpoints are Under Temp Fusing Error Counter critical for good copy quality. These numbers determine the amount of toner in the developer Thermistor Error Counter housings. Developer Motor Error Counter 2/99 REPAIRS/ADJUSTMENTS ADJ 3.3 DocuPrint C55/C55mp/[NC60] 4-63...
Page 152 Line LED will switch on and then off when the change is stored. e. Press Previous [5] to select the next consumable to be entered. Repeat steps b through e until all consumable values have been entered. REPAIRS/ADJUSTMENTS 2/99 ADJ 3.3 4-64 DocuPrint C55/C55mp/[NC60]...
Page 153: Adj 4.1 Magnetic Roller Cleaner Solenoid
Wrong Right Yellow Toner Clutch Figure 2. Energizing the Solenoid Figure 3. Adjusting the Solenoid Figure 1. Checking the Shafts 2/99 REPAIRS/ADJUSTMENTS ADJ 4.1 DocuPrint C55/C55mp [NC60] 4-65...
Page 154: Adj 6.1 Magnetic Roller Cleaner Cams
The M, C, and K cam lobes should be in the same radial position as the Y cam lobe. If they are not the same, perform the adjustment. Figure 1. Checking the Shafts Figure 2. Aligning the Cams REPAIRS/ADJUSTMENTS 2/99 ADJ 6.1 4-66 DocuPrint C55/C55mp/[NC60]...
Page 155: Adj 9.1 Ea "Tone Down" Procedure
Concentration Value is within 10 to 15 points multiple Test Prints. of the Control Point. 7. Observe the KT=__, CT=__, MT=__, YT=__ values. The values should begin to “ count up” as toner is used and not replenished. 2/99 REPAIRS/ADJUSTMENTS ADJ 9.1 DocuPrint C55/C55mp/[NC60] 4-67...
Page 156: Adj 11.1 Transfer Drum Nip
2 seconds then switch the power off. Blank Figure 1. Rotating the Print Drum TD04A Area 2. Open the printer and remove the Print Drum module. Figure 2. Positioning the Transfer Drum REPAIRS/ADJUSTMENTS 2/99 ADJ 11.1 4-68 DocuPrint C55/C55mp/[NC60]...
Page 157 35 MM TD06 Figure 5. Adjusting the Nip TD05 Figure 3. Measuring the Nip 9. The Nip should be 2 ±.5 MM. 10. If the Nip is not within specification, perform the adjustment. 2/99 REPAIRS/ADJUSTMENTS ADJ 11.1 DocuPrint C55/C55mp/[NC60] 4-69...
Page 158: Adj 12.1 Ros Positioning
Abc Defg Hijk Lmnop Qrstuvw XYZ 123456789 C gogo C gogo C gogo C gogo C gogo C gogo C gogo 261 mm Figure 2. Moving the ROS Registration Lines Figure 1. Test Pattern A REPAIRS/ADJUSTMENTS 2/99 ADJ 12.1 4-70 DocuPrint C55/C55mp/[NC60]...
Page 159 PL 9.3 STRIPPER FINGERS --------------- 5-26 PL 4.6 TONER SOLENOID, MAGNETIC PART 3 OF 3 ------------------------- 5-38 PL 9.4 TRANSFER DRUM CLEANER, ROLL CLEANER SOLENOIDS --- 5-14 CLUTCH, AND SHAFT-------------- 5-27 PART NUMBER INDEX---------------------- 3-39 2/99 PARTS LIST SECTION SECTION CONTENTS DocuPrint C55/C55mp/[NC60]...
Page 160: Introduction
Whenever you install a Tag kit or all the piece Yellow parts that make up a Tag, mark the appropriate number on the Tag matrix. SYMBOLOGY Symbology used in the Parts List section is identified in the Symbology section. PARTS LIST SECTION 2/99 INTRODUCTION DocuPrint C55/C55mp/[NC60]...
Page 161: Symbology
(Figure 4). Figure 2. Without Tag Symbol Figure 1. With Tag Symbol Figure 4. Entire Drawing Without Tag Symbol 2/99 PARTS LIST SECTION INTRODUCTION DocuPrint C55/C55mp/[NC60]...
Page 162: Pl 1.1 Covers
BUTTON UNIT C55 802E6950 BUTTON UNIT NC60 (P/O ITEM 12) PANEL A (P/O ITEM 12) PANEL B 48E53740 LEFT COVER 48E53730 RIGHT COVER NOT SPARED SCREW (M3X6) (P/O ITEM 16) SUPPRESSION PWB PARTS LIST SECTION 2/99 PL 1.1 DocuPrint C55/C55mp/[NC60]...
Page 163: Pl 2.1 Print Exit Assembly
115E5830 STATIC ELIMINATOR NOT SPARED SCREW (M3X8) NOT SPARED SCREW (M3X6) 1E46930 OUTPUT FRAME 6E58160 OUTPUT SHAFT 48E43530 TOP FRONT COVER (REP 2.1) 55E38910 SHIELD 809E5660 SPRING 120E15800 ACTUATOR 101E13700 SENSOR COVER 2/99 PARTS LIST SECTION PL 2.1 DocuPrint C55/C55mp/[NC60]...
Page 164: Pl 3.1 Lvps, Ess
(P/O ITEM 10) SCREW (M3X6) (P/O ITEM 10) LVPS PWB NOT SPARED SCREW (M4X6) NOT SPARED SCREW (M3X4) 160K49683 ESS PWB - C55 (REP 3.4) 160K63720 ESS PWB - NC60 (REP 3.4) PARTS LIST SECTION 2/99 PL 3.1 DocuPrint C55/C55mp/[NC60]...
Page 165: Pl 3.2A C55/C55Mp Ess Components
733W3642 16MB MEMORY SIMM 733W3675 32MB MEMORY SIMM 146K560 HARD DISK DRIVE 121K15660 MEDIA SERVER 162K28010 DATA HARNESS 162K27990 DC POWER HARNESS 162K28000 DATA HARNESS 117E18150 PARALLEL CABLE TO ESS IF PWB 2/99 PARTS LIST SECTION PL 3.2A DocuPrint C55/C55mp...
Page 166: Pl 3.2B Nc60 Ess Components
PL 3.2B [NC60] ESS COMPONENTS ITEM PART DESCRIPTION 160K44790 TOKEN RING CARD (OPTIONAL) 160K54960 ETHERNET CARD (100 MB) (OPTIONAL) 733W6865 8MB MEMORY SIMM 733W6866 16MB MEMORY SIMM 733W6867 32MB MEMORY SIMM 121K25380 HARD DISK DRIVE 121K15660 MEDIA SERVER 162K28010 DATA HARNESS 162K27990 DC POWER HARNESS 162K28000...
Page 167: Pl 4.1 Main Drives
SCREW (M3X6) NOT SPARED SCREW (M3X6) NOT SPARED SCREW NOT SPARED TENSION ARM 22E21890 TENSION PULLEY NOT SPARED RETAINING RING ( 4MM) 809E2170 SPRING NOT SPARED SPRING 31E8800 TENSION ARM 22E21880 TENSION PULLEY 2/99 PARTS LIST SECTION PL 4.1 DocuPrint C55/C55mp/[NC60]...
Page 168: Pl 4.2 Pcu Hvps
CABLE CLAMP NOT SPARED CABLE CLAMP 160K50080 PCU BOARD C55 180K60120 PCU BOARD NC60 NOT SPARED SCREW NOT SPARED SCREW (M3X8) NOT SPARED STANDOFF NOT SPARED PLATE NOT SPARED STANDOFF 105K16410 HVPS PARTS LIST SECTION 2/99 PL 4.2 5-10 DocuPrint C55/C55mp/[NC60]...
Page 169: Pl 4.3 Color Toner Motor, Developer Motor
(REP 4.6) NOT SPARED RETAINING RING 20E28760 DEVELOPER PULLEY 162K35600 HARNESS 127E10900 COLOR TONER MOTOR (REP 4.5) 7E48420 GEAR NOT SPARED RETAINING RING NOT SPARED CABLE TIE NOT SPARED RIGHT SIDE FRAME 2/99 PARTS LIST SECTION PL 4.3 DocuPrint C55/C55mp/[NC60] 5-11...
Page 170: Pl 4.4 Main Drive Components
BEARING 15E64320 GEAR SUPPORT PLATE NOT SPARED SCREW (M3X6) 7E48480 GEAR NOT SPARED RETAINING RING 23E14950 MAIN DRIVE BELT B (REP 4.2) 20E28790 MAIN DRIVE PULLEY NOT SPARED RIGHT SIDE FRAME PARTS LIST SECTION 2/99 PL 4.4 5-12 DocuPrint C55/C55mp/[NC60]...
Page 171: Pl 4.5 Interlock Switches, Developer Drive Components
NOT SPARED SCREW (M2X10) NOT SPARED SCREW (M3X14) 110E7560 INTERLOCK SWITCH (REP 4.4) 162K35610 HARNESS NOT SPARED SCREW (M3X12) 809E2090 SPRING 110E7550 LASER INTERLOCK SWITCH (REP 4.4) NOT SPARED RIGHT SIDE FRAME 2/99 PARTS LIST SECTION PL 4.5 DocuPrint C55/C55mp/[NC60] 5-13...
Page 172 SOLENOID (REP 4.7) 121E13370 TONER SOLENOID (M) (REP 4.7) 121E13380 TONER SOLENOID (C) (REP 4.7) NOT SPARED RETAINING RING 7E48540 IDLER GEAR NOT SPARED IDLER GEAR NOT SPARED CABLE CLAMP 162K35700 HARNESS PARTS LIST SECTION 2/99 PL 4.6 5-14 DocuPrint C55/C55mp/[NC60]...
Page 173: Pl 5.1 Clutches
(REP 5.2) 6E61640 SHAFT 6E61590 SHAFT 13E12510 BEARING 6E61560 SHUTTER SHAFT NOT SPARED SCREW REFERENCE ONLY TONER CLUTCH ASSY (C) (M) (Y) (REP 5.1) REFERENCE ONLY MAG ROLL CLEANER CLUTCH (REP 5.1) 2/99 PARTS LIST SECTION PL 5.1 DocuPrint C55/C55mp/[NC60] 5-15...
Page 174: Pl 6.1 Drive Cover Assembly
NOT SPARED SCREW NOT SPARED SCREW 116E7400 BIAS TERMINAL (REP 6.1) 116E7390 CHARGE TERMINAL (REP 6.1) (P/O ITEM 1) SCREW 116E7380 TRANS DRUM TERMINAL (REP 6.1) 809E1840 SPRING 11E7380 PHOTORECEPTOR LEVER PARTS LIST SECTION 2/99 PL 6.1 5-16 DocuPrint C55/C55mp/[NC60]...
Page 175: Pl 6.2 Slide Cam Assembly, Inner Drive Frame
SLIDE CAM (REP 6.2) 6E61600 UPPER SLIDE SHAFT NOT SPARED 6E61610 LOWER SLIDE SHAFT NOT SPARED RIGHT SIDE FRAME 809E1810 RETURN SPRING 29E27500 LINK SHAFT NOT SPARED RETAINING RING 32E11450 GUIDE 2/99 PARTS LIST SECTION PL 6.2 DocuPrint C55/C55mp/[NC60] 5-17...
Page 176: Pl 6.3 Inner Drive Frame Components
DRIVE DOG (C) (M) (Y) 28E12160 WASHER 809E2030 CAM SPRING 28E12170 WASHER 809E5600 SPRING 8E5750 5E12210 DRIVE DOG (K) 809E5610 SPRING 13E13380 BEARING NOT SPARED RETAINING RING NOT SPARED RETAINING RING 15E64310 FRAME SIDE PLATE PARTS LIST SECTION 2/99 PL 6.3 5-18 DocuPrint C55/C55mp/[NC60]...
Page 177: Bracket
HARNESS GUIDE NOT SPARED SCREW 162K29300 HARNESS 809E5620 SLIDE SPRING NOT SPARED SCREW (M3X6) NOT SPARED SCREW (M3X10) 32E11470 HARNESS PLATE 116E7350 GROUND CLIP 15E64350 SUPPORT PLATE NOT SPARED SCREW (M4X6) 2/99 PARTS LIST SECTION PL 7.1 DocuPrint C55/C55mp/[NC60] 5-19...
Page 178: Pl 7.2 Print Drum Connectors, Brackets
(PO ITEM 14) SCREW (M3X6) (PO ITEM 14) EARTH PLATE 15E59940 GROUND SPRING 809E1730 DETECT SPRING 11E7360 PHOTORECEPTOR DETECT LEVER 116E7370 DETECT SPRING CLIP (PO ITEM 14) SCREW (M3X6) 162K35620 HARNESS PARTS LIST SECTION 2/99 PL 7.2 5-20 DocuPrint C55/C55mp/[NC60]...
Page 179: Paper Feed Assembly
(P/O ITEM 12) WASTE TONER SPRING 809E1720 SLIDE SPRING 118E13760 INSULATOR 8R7748 TONER BOTTLE CUST PURCHASE ITEM 38E17380 PAPER GUIDE (REP 8.1) (P/O ITEM 1) SCREW (M3X8) 809E2000 SPRING 22E21030 ROLLER 2/99 PARTS LIST SECTION PL 8.1 DocuPrint C55/C55mp/[NC60] 5-21...
Page 180 ONE WAY CLUTCH 7E48500 GEAR REF ONLY FEED CLUTCH ASSEMBLY (REP 8.5) (P/O ITEM 1) SCREW (M3X6) (P/O ITEM 1) SCREW (M4X8) 121E13450 FEED SOLENOID (REP 8.5) (P/O ITEM 1) SOLENOID BRACKET PARTS LIST SECTION 2/99 PL 8.2 5-22 DocuPrint C55/C55mp/[NC60]...
Page 181 162K35640 VIDEO HARNESS (P/O ITEM 1) SCREW (M3X8) 121E13460 GROUNDING ROLL SOLENOID 7E48520 GEAR 7E48490 GEAR (P/O ITEM 1) SIDE PLATE (P/O ITEM 1) GRND ROLL CLUTCH (REF ONLY) (REP 8.7) 2/99 PARTS LIST SECTION PL 8.3 DocuPrint C55/C55mp/[NC60] 5-23...
Page 182: Pl 9.1 Fuser, Td Cleaner Drives
(P/O ITEM 1) SCREW (M4X6) 127E10910 FUSER MOTOR 162K29320 FUSER HARNESS 162K35630 HARNESS (P/O ITEM 1) CABLE CLAMP 49E84450 BRACKET 115E5840 CONTACT 162K35710 HARNESS (P/O ITEM 1) SCREW (M3X6) 115E5850 CONTACT 809E5770 SPRING PARTS LIST SECTION 2/99 PL 9.1 5-24 DocuPrint C55/C55mp/[NC60]...
Page 183: Pl 9.2 Transfer Frame (Left)
WASTE SHUTTER (P/O ITEM 1) RETAINING RING 121E13440 STRIPPER SOLENOID 29E27470 31E8360 STRIPPER LINK 809E2040 STRIPPER SOL SPRING 31E8370 STRIPPER ARM 13E12590 LEFT DRUM BEARING 809E2060 TR DRUM SPRING 120E15810 ACTUATOR 2/99 PARTS LIST SECTION PL 9.2 DocuPrint C55/C55mp/[NC60] 5-25...
Page 184: Pl 9.3 Stripper Fingers
RETAINING RING (7MM) (P/O ITEM 1) RETAINING RING ( 4MM) 13E12520 BEARING 19K4100 STRIPPER FINGER ASSY (REP 9.1) 6E61550 SHAFT 809E2100 STRIPPER FINGER SPRING 19E36010 STRIPPER FINGER 29E27440 STRIPPER FINGER PIN PARTS LIST SECTION 2/99 PL 9.3 5-26 DocuPrint C55/C55mp/[NC60]...
Page 185: Pl 9.4 Transfer Drum Cleaner, Clutch And Shaft
(P/O ITEM 27) CLUTCH SLEEVE (P/O ITEM 27) CLUTCH SPRING (P/O ITEM 27) GEAR (P/O ITEM 27) WASHER (P/O ITEM 27) GEAR (P/O ITEM 27) BEARING (P/O ITEM 27) (P/O ITEM 27) CAMSHAFT 2/99 PARTS LIST SECTION PL 9.4 DocuPrint C55/C55mp/[NC60] 5-27...
Page 186: Pl 10.1 Transfer Frame Left Side Components
(P/O ITEM 1) SCREW 15E64450 FAN HOUSING (P/O ITEM 1) BRACKET 120E15820 BRACKET (P/O ITEM 1) SCREW 49E84420 TRANSPORT LINK STAY 62E8750 SEAL 15E64440 SEAL (P/O ITEM 1) RETAINING RING 13E12570 BEARING PARTS LIST SECTION 2/99 PL 10.1 5-28 DocuPrint C55/C55mp/[NC60]...
Page 187: Pl 10.2 Transfer Frame Upper Components
SCREW (M3X8) (P/O ITEM 1) TRANSPORT FRAME (P/O ITEM 1) SCREW (M3X6) 130E7970 OIL SENSOR / TRANSPARENCY JAM SENSOR 162K35650 JAM SENSOR HARNESS 49E84400 DETECT LEVER PLATE 15E59950 GAMMA SENSOR PLATE 2/99 PARTS LIST SECTION PL 10.2 DocuPrint C55/C55mp/[NC60] 5-29...
Page 188: Pl 10.3 Transfer Frame Right Side Components
SCREW (P/0 ITEM 1) SCREW (P/0 ITEM 1) EARTH PLATE 809E2010 LOCK SPRING 29E27480 13E13420 BEARING 809E5780 SPRING 110E9930 DRUM CLEANING JAM SWITCH 115E6900 DRUM CLEANING SWITCH RETAINER 115E6900 BEARING ELECTRODE PARTS LIST SECTION 2/99 PL 10.3 5-30 DocuPrint C55/C55mp/[NC60]...
Page 189: Pl 10.4 Transfer Frame Components (Front)
PAPER GUIDE SHEET 64K1330 TRANSFER DRUM LOWER FRAME THE GAMMA SENSOR REPAIR KIT INCLUDES A 4 PIN GAMMA SENSOR AND A NEW CONNECTOR BOARD. THE OLD CONNECTOR BOARDS HAVE A 3 PIN CONNECTOR. 2/99 PARTS LIST SECTION PL 10.4 DocuPrint C55/C55mp/[NC60] 5-31...
Page 190: Transfer Drum
(P/O ITEM 1) SCREW (M4X12) (P/O ITEM 1) (P/O ITEM 1) SETSCREW (M4X6) 600K71710 NIP WHEEL ADJUSTMENT KIT (P/O ITEM 20) NIP WHEEL (P/O ITEM 20) WASHER (P/O ITEM 20) SCREW PARTS LIST SECTION 2/99 PL 11.1 5-32 DocuPrint C55/C55mp/[NC60]...
Page 191: Pl 12.1 Ros Components
RETAINING RING (5MM) NOT SPARED SCREW NOT SPARED SCREW (M3X8) 809E1790 SPRING 809E1750 FUSER SPRING 48E43570 FRAME COVER 6E61620 LOCK SHAFT 17E7740 LEFT FUSER STOP NOT SPARED SCREW (M3X6) 17E8370 RIGHT FUSER STOP 2/99 PARTS LIST SECTION PL 12.1 DocuPrint C55/C55mp/[NC60] 5-33...
Page 192: Toner Dispenser Assembly (K)
BEARING 7E48390 UPPER TONER GEAR 7E48400 LOWER TONER GEAR 7E48410 GEAR 35E41680 TONER SEAL (P/O ITEM 1) SCREW (M3X6) 127E10920 TONER MOTOR (BLACK) 7E48430 DRIVE GEAR (P/O ITEM 1) TONER HOPPER PARTS LIST SECTION 2/99 PL 13.1 5-34 DocuPrint C55/C55mp/[NC60]...
Page 193: Pl 14.1 Paper Cassette Components
NOT SPARED SIDE GUIDE NOT SPARED RIGHT SNUBBER NOT SPARED LABEL NOT SPARED DISCHARGE BRUSH NOT SPARED STOPPER NOT SPARED SIDE PLATE NOT SPARED ROTATION LOCK SPRING NOT SPARED SIZE LABEL B 2/99 PARTS LIST SECTION PL 14.1 DocuPrint C55/C55mp/[NC60] 5-35...
Page 194: Pl 27.1 Tray 2 Components
SCREW (M3X6) 160K41070 CASSETTE PWB (REP 27.3) 7E51250 LOCK PAWL 6E61680 LOCK SHAFT NOT SPARED RIGHT FRAME 80935800 LOCK SPRING 809E5810 LEVER SPRING 117E18520 INTERFACE CABLE NOT SPARED SCREW 11E7610 JOINT LEVER PARTS LIST SECTION 2/99 PL 27.1 5-36 DocuPrint C55/C55mp/[NC60]...
Page 195: Pl 27.2 Tray 2 Components
LOWER DRIVE LINK NOT SPARED UPPER DRIVE LINK NOT SPARED WASHER 31E8820 DRIVE ARM NOT SPARED FEED ROLLER SPRING NOT SPARED LINK SPRING NOT SPARED CAM CLUTCH BOSS NOT SPARED GEAR 2/99 PARTS LIST SECTION PL 27.2 DocuPrint C55/C55mp/[NC60] 5-37...
Page 196: Pl 27.3 Tray 2 Components
WIRE HOLDER 16E13280 CORD BUSHING NOT SPARED PAPER FEED FRAME 22E21010 FEED ROLLER NOT SPARED SNAP BAND 130E8490 TRAY EMPTY SENSOR (REP 27.4) NOT SPARED SCREW (M4X6) 49E84460 DRIVE SENSOR BRACKET PARTS LIST SECTION 2/99 PL 27.3 5-38 DocuPrint C55/C55mp/[NC60]...
Page 197: Part Number Index
121E13360 13E12540 13.1 1E46930 31E8350 10.2 49E84410 160K63720 121E13370 13E12550 1E46940 31E8360 49E84420 10.1 162E29310 10.2 121E13380 13E12560 13.1 20E28760 31E8370 49E84430 10.4 162K27990 3.2A 121E13390 13E12570 20E28770 31E8800 49E84450 2/99 PARTS LIST SECTION PART NUMBER INDEX DocuPrint C55/C55mp/[NC60] 5-39...
Page 198 7E51260 27.2 809E2240 12.1 6E61680 27.1 7E63600 809E5600 733W3642 3.2A 7E63600 10.3 809E5610 733W3647 3.2A 802E6940 809E5620 733W3660 3.2A 802E6950 809E5640 733W3675 3.2A 80935800 27.1 809E5660 733W6865 3.2B 809E1670 809E5670 PARTS LIST SECTION 2/99 PART NUMBER INDEX 5-40 DocuPrint C55/C55mp/[NC60]...
Page 199 THE CONTROL PANEL [NC60] ---------------- 6-63 GP 3 BLACK DEVELOPER REMOVAL------- 6-42 CONTROL---------------------------------------6-12 GP 4 TONER COLLECTOR REMOVAL ------ 6-43 HEATER TEST---------------------------------6-13 GP 5 FUSER REMOVAL ------------------------- 6-43 TC BIAS------------------------------------------6-14 TS LIFE ------------------------------------------6-14 (CONTINUED) 2/99 GENERAL PROCEDURES SECTION CONTENTS DocuPrint C55/C55mp/[NC60]...
Page 200 OTHER SPECIFICATIONS (C55/C55mp) ----6-68 OTHER SPECIFICATIONS [NC60]-------------6-69 CONTROLLER SPECIFICATIONS (C55/C55mp)-----------------------------------------6-70 CONTROLLER SPECIFICATIONS [NC60]---6-70 TOOLS ------------------------------------------------6-71 CHANGE TAG INDEX (C55/C55mp) ----------6-72 INTRODUCTION---------------------------------6-72 CLASSIFICATION CODES--------------------6-72 TAGS:-----------------------------------------------6-72 CHANGE TAG INDEX [NC60] -------------------6-75 INTRODUCTION---------------------------------6-75 CLASSIFICATION CODES--------------------6-75 TAGS:-----------------------------------------------6-75 GENERAL PROCEDURES 2/99 SECTION CONTENTS DocuPrint C55/C55mp/[NC60]...
Page 201: Iot Diagnostics
• Set the consumable counter values 2. The Message Display indicates that you are in the PCU Diagnostic Mode and displays the ROM version number. 3. Press the Menu [3] key to step through the diagnostic routines. 2/99 GENERAL PROCEDURES NORMAL DIAGNOSTICS DocuPrint C55/C55mp/[NC60]...
Page 202: Normal Diagnostics
T2 PAPER SIZE 2 SCAN 03 SENSOR SWITCH TRANSPARENCY TRANSFER DRUM GAMMA SENSOR T2 FEEDER DETECT SCAN 04 SENSOR HOME SENSOR (Interlock must be closed) SWITCH TRANSPARENCY JAM CLEANER JAM OIL SENSOR SCAN 05 SENSOR SENSOR GENERAL PROCEDURES 2/99 NORMAL DIAGNOSTICS DocuPrint C55/C55mp/[NC60]...
Page 203: Optical Sys Test
= apx. 20 volts YD BIAS One step change 298-600 (Yellow Bias) = apx. 20 volts * This is the bias that is supplied to the roll when the color is not being developed. 2/99 GENERAL PROCEDURES NORMAL DIAGNOSTICS DocuPrint C55/C55mp/[NC60]...
Page 204: Clutch Test
Enter [7] key when TEST PRINT is energizes the Cyan solenoid, second On displayed Line the Magenta solenoid and third On Line the Yellow solenoid. 5. To stop the test press the Media Server [2] key. GENERAL PROCEDURES 2/99 NORMAL DIAGNOSTICS DocuPrint C55/C55mp/[NC60]...
Page 205: Nv-Ram Initial
COUNTER SET OIL Oil Usage TIMEOUT SET (Sets the Power Save and Polygon Motor time out) TIMEOUT SET SLP Sleep (Power Save) (default 30 min.) TIMEOUT SET PLM Polygon time out (default 180 sec.) 2/99 GENERAL PROCEDURES NORMAL DIAGNOSTICS DocuPrint C55/C55mp/[NC60]...
Page 206: Special Diagnostics
5 to change other setpoints. through 6 to change additional counters. 2. Press Form Feed [1] again to exit from Normal diagnostics. 3. Or, switch the printer off wait 10 seconds and then switch the printer on. GENERAL PROCEDURES 2/99 SPECIAL DIAGNOSTICS DocuPrint C55/C55mp/[NC60]...
Page 207: Id Level
NOTE: This value is changed when setting the 5. Once all keys are checked the display will value. color density and color balance. show the DATE and then return to PANEL KEY TEST. 2/99 GENERAL PROCEDURES SPECIAL DIAGNOSTICS DocuPrint C55/C55mp/[NC60]...
Page 208: Counter Limit
(CDVN) C Developer Notify 27,000 7. Press the Media Server [2] key to return the (KDVN) K Developer Notify 45,000 COUNTER LIMIT list. Repeat steps 2 through 6 to change additional counters. GENERAL PROCEDURES 2/99 SPECIAL DIAGNOSTICS 6-10 DocuPrint C55/C55mp/[NC60]...
Page 209: Background Diagnostics Entering The Background Diagnostic Mode
Previous [5]/Next [6] key to select Check and set the fuser temperature. 3. Or, switch the power off wait 10 seconds the next parameter to be initialized. and then switch the power on. 2/99 GENERAL PROCEDURES BACKGROUND DIAGNOSTICS DocuPrint C55/C55mp/[NC60] 6-11...
Page 210: Control
2. Use the Previous [5]/Next [6] keys to select the parameter to be changed). 3. Press the Enter [7] key the display will indicate the present value. 4. Press Previous [5]/Next [6] to change the value. GENERAL PROCEDURES 2/99 BACKGROUND DIAGNOSTICS 6-12 DocuPrint C55/C55mp/[NC60]...
Page 211: Heater Test
Use the Next [6]/Previous [5] keys to W/U C2: Warmup intermediate setpoint toggle between paper W/U C3: Warmup intermediate setpoint transparency values. W/U C4: Warmup control setpoint c. Press Media Server [2] to exit from the Heater test. 2/99 GENERAL PROCEDURES BACKGROUND DIAGNOSTICS DocuPrint C55/C55mp/[NC60] 6-13...
Page 212: Tc Bias
The NC60 default values listed above will be [NC60] the IOT version 94 defaults. Earlier NC60 IOT TS Life TS Delta Delta for toner override versions should be set to the above values. GENERAL PROCEDURES 2/99 BACKGROUND DIAGNOSTICS 6-14 DocuPrint C55/C55mp/[NC60]...
Page 213: Off Line Menus (C55/C55Mp)
Setup Menu menu. Menu-------------- moves to the top of the menu Service list. The Media Server can be selected from the On Imaging Line mode by pressing Media Server. Media Server 2/99 GENERAL PROCEDURES OFF LINE MENUS DocuPrint C55/C55mp 6-15...
Page 214 <EXIT THIS MENU> Installed) SERVICE ADJUSTMENTS LEFT MARGIN TRAY <ADJUSTMENTS> <LEFT MARGIN> <# mm> <TRAY 1> <TRAY 2> ADJUSTMENTS TOP MARGIN <TOP MARGIN> <# mm> <EXIT THIS MENU> PATTERN TYPE <RUN TEST JOB> <YES> <NO> GENERAL PROCEDURES 2/99 <SERVICE> 6-16 DocuPrint C55/C55mp...
Page 215 <EXIT THIS MENU> RESET CRU RESET CMY DEV <RESET CMY DEV> <YES> <NO> RESET CRU RESET PRINTDRU <RESET PRINTDRU> <YES> <NO> RESET CRU RESET FUSER <RESET FUSER> <YES> <NO> RESET CRU <EXIT THIS MENU> 2/99 GENERAL PROCEDURES <SERVICE> DocuPrint C55/C55mp 6-17...
Page 216 Notes: GENERAL PROCEDURES 2/99 NOTES 6-18 DocuPrint C55/C55mp/[NC60]...
Page 217: Menus [Nc60]
MENUS [NC60 ONLY] PROCEDURE The printer menus are in layers. The TOP To see how the Menus are layered refer to the NOTE: Before entering the NC60 Menus, MENU layer consists of the following: NC60 Menu page. ensure that the printer has completed the To run the NC60 MENU page: initialization cycle and the On Line LED is on.
Page 218: Ess Test Patterns And Information Pages Startup (C55/C55Mp)
Visit our web site at: Http://xerox.networkprinters.com/products/c55 Xerox ®, The Document Company ®, the stylized X, DocuPrint and all Xerox product names are trademarks of XEROX CORPORATION Adobe, Postscript and the Postscript logo are trademarks of Adobe Systems Incorporated which may be registered in certain jurisdictions PANTOE®, abd PANTONE CALIBRATED™...
Page 219: Startup [Nc60]
OMPANY Xerox ®, The Document Company ®, the stylized X, DocuPrint and all Xerox product names are trademarks of XEROX CORPORATION Adobe, Postscript and the Postscript logo are trademarks of Adobe Systems Incorporated which may be registered in certain jurisdictions PANTOE®, abd PANTONE CALIBRATED™...
Page 220: Settings (C55/C55Mp)
Enabled: Not Installed Remark: LocalTalk Settings Service: XeroxColor Enabled: Not Installed SNMP System Contact: System Name: Xerox Color Laser System Location: HTTP PrinterURLAddress: http:HI3.139.1.10 Printing Enabled: Yes OCUMENT OMPANY Visit our web site at: Http://xerox.networkprinters.com/products/c55 GENERAL PROCEDURES 2/99 SETTINGS 6-22 DocuPrint C55/C55mp...
Page 221: Configuration [Nc60]
CONFIGURATION [NC60] Xerox DocuPrint NC60 Color Laser Printer Configuration Sheet Ethernet. General Press Display Reads HW address 00:00:AA:79:00:7B Serial Number Printer URL: http://0.0.0.0 Total Prints 9886 AppSocket Ports: 2000,2501,9100 Menu Up - until Menus Total System Memory 64 MB EtherTalk Software Version 1.80-47...
Page 222: Diagnostic Sheet (C55/C55Mp)
Developer Bias Left Margin: +0mm Black: 357 Volts Cleaning Cycle: Never Cyan: 364 Volts TC Patch Control: Yes Magenta: 421 Volts Yellow: 374 Volts The DOCUMENT COMPANY Visit our web site at http://xerox.networkprinters.com/products/c55 GENERAL PROCEDURES 2/99 DIAGNOSTICS 6-24 DocuPrint C55/C55mp...
Page 223: Diagnostic Sheet [Nc60]
Xerox DocuPrint NC60 Color Laser Printer DIAGNOSTIC SHEET [NC60] Diagnostic Sheet Press Display Reads Menu Up - until Menus Service Menu General Information Density Rate Set Points Print Item Down - until Serial Number: xxx-xxxxxx Black 1.80-39 Ι NL.ROM Software Version: Cyan Diag.
Page 224 Scaled (.25 - 999.75) 1242 Arial Bd It Scaled (.25 - 999.75) 1043 Arial Bd Scaled (.25 - 999.75) 1044 Arial Scaled (.25 - 999.75) 1045 OCUMENT OMPANY Visit our web site at: Http://xerox.networkprinters.com/products/c55 GENERAL PROCEDURES 2/99 PCL FONT 6-26 DocuPrint C55/C55mp...
Page 225: Pcl Font (C55/C55Mp)
X erox DocuPrint NC60. More to work with. (CG times Bd) <esc>( <esc>(s0p h0s0b4096T Xerox DocuPrint NC60. More to w ork w ith. CG Times BdIt This is page one of a two page menu and lists the 45 <esc>( <esc>(s0p...
Page 226: Ps Font (C55/C55Mp)
Visit our web site at: Http://xerox.networkprinters.com/products/c55 Xerox ®, The Document Company ®, the stylized X, DocuPrint and all Xerox product names are trademarks of XEROX CORPORATION Adobe, Postscript and the Postscript logo are trademarks of Adobe Systems Incorporated which may be registered in certain jurisdictions...
Page 227 PS FONT LIST [NC60] Xerox DocuPrint NC60 Xerox DocuPrint NC60 PostScript Font Listing PostScript Font Listing Press Display Reads Menu Up - until Menus Print Available Fonts: Available Fonts: Print Item Down - until PS Font List AvantGarde-Book AvantGarde-Book ABCDEFG abcdefg 0123456789 &?!$ ABCDEFG abcdefg 0123456789 &?!$...
Page 228: Menu (C55/C55Mp)
COLOR MODE QuadDot Vivid Smooth Screen IMAGING Photo Contone Unadjusted ENH. ALIGNMENT OVERPRINT PROCESS BLACK SELECT FILE SETUP MEDIA SERVER Mode (Media Server Required) Quantity Tray OCUMENT OMPANY Visit our web site at: Http://xerox.networkprinters.com/products/c55 GENERAL PROCEDURES 2/99 MENU 6-30 DocuPrint C55/C55mp...
Page 229: Menu Map [Nc60]
MENU MAP [NC60] Xerox DocuPrint NC60 Color Laser Printer Menu Map Press Display Reads Menu Up - until Menus Print Setial Menu Job Menu Novell Menu Port Enable Cancel Job Novell Enable Print Item Down - until Port Timeout Form Feed...
Page 230: Pcl Demo (C55/C55Mp)
< 1 > Enter Enter < RUN JOB > < YES > Enter < PROCESSING > Enter This is a demo of some PCL 5C capabilities. OCUMENT OMPANY Visit our web site at: Http://xerox.networkprinters.com/products/c55 GENERAL PROCEDURES 2/99 PCL DEMO 6-32 DocuPrint C55/C55mp...
Page 231: Fault History [Nc60]
FAULT HISTORY [NC60] Xerox DocuPrint NC60 Color Laser Printer Fault History Sheet Press Display Reads Menu Up - until Menus Page Fault Print Count Description . . 1725 E7 PRINT DRUM , JAM OPEN PRINTER 1678 E4 INPUT JAM , OPEN PRINTER...
Page 232: Postscript Demo (C55/C55Mp)
Visit our web site at: Http://xerox.networkprinters.com/products/c55 Xerox ®, The Document Company ®, the stylized X, DocuPrint and all Xerox product names are trademarks of XEROX CORPORATION Adobe, Postscript and the Postscript logo are trademarks of Adobe Systems Incorporated which may be registered in certain jurisdictions...
Page 233: Postscript Demo [Nc60]
OMPANY Xerox ®, The Document Company ®, the stylized X, DocuPrint and all Xerox product names are trademarks of XEROX CORPORATION Adobe, Postscript and the Postscript logo are trademarks of Adobe Systems Incorporated which may be registered in certain jurisdictions...
Page 234: Tips & Tricks [Nc60]
& white prints. These features, along with important tips on how to get the best results Print with your DocuPrint NC60, are explained below. For the latest product information, please check the Xerox web site at http://xerox.networkprinters.com.
Page 235 This feature under Technical Information Guide (TIG), Chapter 12. requires the Hard Disk option be installed on your printer . Alternately, contact your reseller, or the Xerox web site. Recommended Media Monthly Print Volume...
Page 236: Density And Color Balance Test Pattern
Setpoints and Developer Bias. The NC60 includes Current these values on the Density and Color Balance Test Pattern. On the NC60 only, you must disconnect all input ports on the ESS. Xerox Corporation GENERAL PROCEDURES 2/99 DENSITY AND COLOR BALANCE 6-38 DocuPrint C55/C55mp/[NC60]...
Page 237: Boot Sequence
9. Step 8 is repeated for Magenta and 10. ESS PWB Communicates with PCU Yellow. PWB, Message display indicates INITIALIZING and all message display 10. Repeat Steps 3, 4 and 5 to recheck LEDs come on. toner concentration. 2/99 GENERAL PROCEDURES BOOT SEQUENCE DocuPrint C55/C55mp 6-39...
Page 238: Boot Sequence[Nc60]
BOOT SEQUENCE: [NC60] The following is the boot sequence for the NC60 printer. The ESS also boots while the printer is booting. ESS BOOT SEQUENCE IOT COPY QUALITY SETUP IOT BOOT SEQUENCE 1. Main Motor and Fuser Motor on. 1. Power and Fail LEDs on. 1.
Page 239: Gp 1 Print Drum Removal
Figure 3. Print Drum Removal Figure 1. Opening the Transfer Assembly 2. (Figure 2): Release the latch and open the ROS. Figure 1. Color Developer Removal Figure 2. Opening the ROS 2/99 GENERAL PROCEDURES GP 1, GP 2 DocuPrint C55/C55mp/[NC60] 6-41...
Page 240: Gp 3 Black Developer Removal
3. (Figure 1): Release the latch and swing the Black Toner Hopper to the right. Black Toner Hopper Black Developer Module Figure 2. Removing the Black Developer Module Figure 1. Moving the Black Toner Hopper GENERAL PROCEDURES 2/99 GP 3 6-42 DocuPrint C55/C55mp/[NC60]...
Page 241: Gp 4 Toner Collector Removal
NOTE: Be careful not to tilt the fuser. open the Fuser Cover. 2. (Figure 2): Lift and remove the Toner Fuser Collector. Cover Toner Collector Figure 2. Opening the Fuser Cover Figure 2. Removing the Toner Collector 2/99 GENERAL PROCEDURES GP 4, GP 5 DocuPrint C55/C55mp/[NC60] 6-43...
Page 242: Gp 3.1 Fuser Speed (C55/C55Mp)
4. The message display will indicate, PCU DIAG SPECIAL 5. With PCU DIAG SPECIAL displayed, press Medial Server then Previous. Release both keys at the same time. 6. The message display will indicate, DIAG BACK GROUND REPAIRS/ADJUSTMENTS 2/99 GP 3.1 6-44 DocuPrint C55/C55mp...
Page 243: Gp 3.2 Control Patch Md
12. Exit from diagnostics by switching the printer 3. With PCU DIAG MODE 75 displayed, press off. Wait 10 seconds, then switch the printer On Line then Enter. Release both keys at the same time. 2/99 REPAIRS/ADJUSTMENTS GP 3.2 DocuPrint C55/C55mp/[NC60] 6-45...
Page 244: Gp 3.3 Transparency Mode
Transfer Bias for transparencies. This then press Menu. procedure has been designed to address the DEFAULT This is the best setting for Xerox following problems: 2. Press Next until MEDIA is displayed, then NONE This setting is used if you have •...
Page 245 Criteria the Transfer Bias for transparencies. This procedure has been designed to address the DEFAULT This is the best setting for Xerox following problems: NONE This setting is used if you have • Mistacking on the Transfer Drum (E6/E4 configured the IOT using Hidden Jams).
Page 246: Gp 3.4 Drum Cleaning
30 Images) 6. Select the choice which best represents 6. For high volume customers your situation and press Enter. recommended setting is 30 (transfer drum is cleaned every 30 Images) GENERAL PROCEDURES 2/99 GP 3.4 6-48 DocuPrint C55/C55mp/[NC60]...
Page 247: Gp 3.5 Reset [Nc60]
GP 3.5 RESET [NC60] PURPOSE NOTE: Before performing a reset, print a Configuration Sheet. Menu Up to Service, Item Down to Config. Sheet, then press Enter. The purpose of this procedure is enable the Reset Menu. When this menu is available, you can perform the following.
Page 248: Gp 9.1 Charge Scorotron Current
7. The current should be –700 +50 –20 µA. 8. Press Media Server [2] to switch the Power Supply off. NOTE: Do not keep the power supply on any longer than necessary. The constant charge can fatigue the print drum. GENERAL PROCEDURES 2/99 GP 9.1 6-50 DocuPrint C55/C55mp/[NC60]...
Page 249: Gp 9.2 Charge Grid Voltage Check
6. The voltage should be –557 ±7 V. 7. Press Media Server [2] to switch the Power Supply off. NOTE: Do not keep the power supply on any longer than necessary. The constant charge can fatigue the print drum. 2/99 GENERAL PROCEDURES GP 9.2 DocuPrint C55/C55mp/[NC60] 6-51...
Page 250: Gp 9.3 Transfer Voltage Check
7. The voltage should be 1200 to 1600 V. 8. Press Media Server [2] to switch the Power Supply off. NOTE: Do not keep the power supply on any longer than necessary. GENERAL PROCEDURES 2/99 GP 9.3 6-52 DocuPrint C55/C55mp/[NC60]...
Page 251: Gp 9.4 Developer Bias Voltage
Figure 1. Checking the Developer Bias NOTE: Do not keep the power supply on any longer than necessary. NOTE: During print expect the voltage to be from – 250 to – 500 volts 2/99 GENERAL PROCEDURES GP 9.4 DocuPrint C55/C55mp/[NC60] 6-53...
Page 252 NOTES: GENERAL PROCEDURES 2/99 NOTES 6-54 DocuPrint C55/C55mp/[NC60]...
Page 253: Gp 15.1 Install
Dealer or contact: • Team XRX (US) 1-800-TeamXRX (1-800-832-6979 • Xerox National Call Center (Canada) Release the latch and open the rear 1-800-939-3769 panel. Remove the foam sheet. • For all other countries please call your local Xerox Support.
Page 254 Rotate the lever on the cardboard roller from the bottom of the printer as shown. as shown until it releases. DO NOT remove any of the tape holding the roller to the foam GENERAL PROCEDURES 2/99 GP 15.1 INSTALL 6-56 DocuPrint C55/C55mp/[NC60]...
Page 255 When the bottle is empty, slide it back to the original insertion point and remove it. b. Place the base of the toner bottle on the matching color-coded platform, fitting the hooks into the slots. 2/99 GENERAL PROCEDURES GP 15.1 INSTALL DocuPrint C55/C55mp/[NC60] 6-57...
Page 256 Repeat steps a through g for each of the bag, and dispose of it properly. 3 color toner bottles. Remember to shake vigorously and remove the tape as shown as soon the bottle is in place GENERAL PROCEDURES 2/99 GP 15.1 INSTALL 6-58 DocuPrint C55/C55mp/[NC60]...
Page 257 Insert the oil bottle into the top of the b. Pull on the gold string to remove the gold roller is installed properly and locked in fuser and click into place. plastic pins from the fuser. place. 2/99 GENERAL PROCEDURES GP 15.1 INSTALL DocuPrint C55/C55mp/[NC60] 6-59...
Page 258 (#1) on the machine frame. Lower the Print Drum and slide forward to align with arrow #3. DO NOT LOCK IN PLACE. d. Push both latches forward to lock the drum in place. GENERAL PROCEDURES 2/99 GP 15.1 INSTALL 6-60 DocuPrint C55/C55mp/[NC60]...
Page 259 Remove all tape from tray 1 and add paper. d. Switch the printer. e. The printer will adjust itself and print a test print. (For a new printer this takes about 10 minutes.) 2/99 GENERAL PROCEDURES GP 15.1 INSTALL DocuPrint C55/C55mp/[NC60] 6-61...
Page 260: Updating Printer/Nic Software (C55/C55Mp)
PURPOSE Updating the NIC software using CentreWare panel. To enter the printer serial number, service phone Open “ Xerox DocuPrint” 1. Enter the Off Line mode. number and supplies phone number. Open “ CentreWare” NOTE: If the printer is configured as a parallel 2.
Page 261 PURPOSE Updating the NIC software using CentreWare panel. To enter the printer serial number, service phone Open “ Xerox DocuPrint” 1. Scroll to the location requiring the data entry. number and supplies phone number. Open “ CentreWare” NOTE: If the printer is configured as a parallel 2.
Page 262: Consumables (C55/C55Mp)
8R7890 8R7889 60000 Prints * The first oil bottle will fill the sump. Expect 5000 to 6500 pages on the first oil kit. The Kit includes 2 oil bottles and one wiper roller. GENERAL PROCEDURES 2/99 Consumables 6-64 DocuPrint C55/C55mp...
Page 263: Consumables [Nc60]
CONSUMABLES [NC60] Consumables US/XCL/ACO Life @ 5% Area Coverage Part No PART No Black Toner 6R856 6R856 5000 Images Cyan Toner 6R857 6R857 4000 Images Magenta Toner 6R858 6R858 4000 Images Yellow Toner 6R859 6R859 4000 Images Fuser Oil Kit * 8R7724 8R7724 7000 Pages...
Page 264: Optional Kits (C55/C55Mp)
Media Server Kit 98S3032 98S3032 Hard Drive (810 M) 98S3033 98S3033 Repack Kit 600K62160 Memory SIMM’ s 4 MB 97K15280 97K15280 8 MB 98S3039 98S3039 16 MB 97K15300 97K15300 32 MB 97K22330 97K22330 GENERAL PROCEDURES 2/99 Optional Kits 6-66 DocuPrint C55/C55mp...
Page 265: Optional Kits [Nc60]
OPTIONAL KITS [NC60] Optional Kits US/XCL/ACO Part No PART No Lower Feeder 98S3035 98S3035 Universal Tray 98S3034 98S3034 Ethernet Card Kit (100 MB) 97S2189 97S2189 TokenRing Card Kit 97S2035 97S2035 Media Server Kit 98S3032 98S3032 Hard Drive (810 M) 98S4154 98S4154 Repack Kit 600K62160...
Page 266: Product Specifications
24 MB of RAM. 3R4446 Transparency Best (8½ × 11 clear) With PostScript: Contone = 600 × 600 × 4 with 24 MB of RAM. 3R96002 Lot M Transparency Best (A4 clear) GENERAL PROCEDURES 2/99 Product Specifications 6-68 DocuPrint C55/C55mp...
Page 267: Physical Characteristics [Nc60]
Paper Feed System PRODUCT CODES [NC60] OTHER SPECIFICATIONS [NC60] Cassette & Manual Feed. Electrical Power Requirements Product Product Cassette Capacity = 250 sheets 20 lb. Code OPCO Power Requirements (80 gsm.) paper. USCO / XCL 110 - 130V 50/60 Hz., 15A USCO/ACO 110-130V / 8A Tray 2 (Optional) = 250 sheets 20 lb.
Page 268: Controller Specifications (C55/C55Mp)
ECP and Nibble Modes Interface. (Windows 95 Plug and Play Standard). Optional: Ethernet 100MB C55mp Standard with Ethernet Network Interface Card. Optional: Token Ring. Optional: LocalTalk and Serial. Optional: Ethernet/Token Ring. GENERAL PROCEDURES 2/99 Controller Specifications 6-70 DocuPrint C55/C55mp/[NC60]...
Page 269: Tools
Optics Blue Cloth (lint free 499T90417 cleaning cloth) 1.5 MM Hex Key Wrench 600T41107 Table 3, Supplies Description Part Number Drop Cloth 35P1737 Cotton Swabs 35P2137 Clean Ups 43P67 Lint Free Tissues 35P2163 2/99 GENERAL PROCEDURES Tools DocuPrint C55/C55mp/[NC60] 6-71...
Page 270: Change Tag Index (C55/C55Mp)
PURPOSE: Firmware upgrade PURPOSE: Firmware upgrade allow CLASSIFICATION CODES KIT NUMBER: None CISPR B certification in Rank Xerox A tag number may be required to identify REFERENCE: KIT NUMBER: None differences between parts that cannot be interchanged or differences in diagnostic REFERENCE: TAG 2: repair, installation, or adjustment procedures.
Page 271 REFERENCE: TAG 6: DESCRIPTION: Field upgrade of IOT PCU Firmware Version 75. E-Prom soldered to PCU PWB. CLASS: NA USE: MFG SERIAL NUMBERS: NAME: IOT Firmware PURPOSE: Firmware upgrade KIT NUMBER: None REFERENCE: 2/99 GENERAL PROCEDURES Tags DocuPrint C55/C55mp 6-73...
Page 272 NOTES: GENERAL PROCEDURES 2/99 NOTES 6-74 DocuPrint C55/C55mp...
Page 273: Change Tag Index [Nc60]
CHANGE TAG INDEX [NC60] INTRODUCTION Modifications to the printer are identified by a tag number which is recorded on a tag matrix card. There are two tag matrix cards. One is inside the ESS PWB cover and indicates the Systems Configuration. The second card, the IOT TAG Matrix, is attached to the printer frame, on the inside of the left rear side (viewed from the printer front).
Page 274 NOTES: GENERAL PROCEDURES 2/99 NOTES 6-76 DocuPrint [NC60]...
Page 275: Wiring Data
Erase Lamp, Waste Toner Sump ------- 7-18 Chain 10 BSD, Fusing Fuser Drive, Exit Sensing, Exhaust Fan, Oil Sensing ----------------- 7-19 Fuser Heat ------------------------------------ 7-20 Chain 13 BSD Accessories Hard Drive Floppy Drive ---------------------------------- 7-21 2/99 WIRING DATA SECTION CONTENTS DocuPrint C55/C55mp[NC60]...
Page 276 220 VAC PRINTERS NOMINAL 220 -240 VAC AT 10-15A PCU PWB AC1 = 110 VAC CONNECTOR AC2 = 110 VAC Status Description Codes The +24 VDC Interlock is open. STANDBY POWER CHAIN 1 LEVEL 2 SHEET 1 0F 1 BSDs 2/99 Chain 1 Power Generation DocuPrint C55/C55mp[NC60]...
Page 277 DATA 3 32 CHARACTERS PREVIOUS READ/WRITE REGISTER SELECT NEXT DISPLAY ENABLE ∼ 80 LINES, SEG. 1 SEG. 80 ENTER DC COM +5 VDC MODE SELECTION CHAIN 2 LEVEL 2 SHEET 1 0F 1 2/99 BSDs Chain 2 Mode Selection DocuPrint C55/C55mp[NC60]...
Page 278 THE POWER LED LITES WHEN THERE IS +5 VDC AVAILABLE ON THE ESS. NVM RAM check sum failure. THE FAIL LED LITES IF THE ESS FAILS SELF TEST. Communication failure. RUN CONTROL PCU PWB CHAIN 3 LEVEL 2 SHEET 1 0F 1 BSDs 2/99 Chain 3 Run Control DocuPrint C55/C55mp[NC60]...
Page 279 DATA Data, ESS sends raster data to the IOT LASER PAGE Page, ESS is sending a page of data INTERLOCK SWITCH PCU PWB LASER SCANNING CHAIN 6 LEVEL 2 SHEET 1 0F 1 2/99 BSDs Chain 6 Scanning DocuPrint C55/C55mp[NC60]...
Page 280 OFF (L) OFF (L) OFF (L) OFF (L) THE FEED MOTOR CLOCK SIGNALS ARE FROM 10 TO 23 VDC. PAPER FEED 10.5" 11", A4 14" CHAIN 7 LEVEL 2 SHEET 1 0F 2 BSDs 2/99 Chain 7 Paper Feed DocuPrint C55/C55mp[NC60]...
Page 281 ON (H) ON (H) ON (H) T2 TRAY EMPTY SENSOR T2 FEED T2 DRIVE SOLENOID 10.5" 11", A4 14" CLUTCH T2 PAPER FEED CHAIN 7 LEVEL 2 SHEET 2 0F 2 2/99 BSDs Chain 7 T2 Optional Paper Feed DocuPrint C55/C55mp[NC60]...
Page 282 Sheet on Registration Sensor or Transparency Sensor at power on. Sheet made Registration Sensor did not reach Gamma Sensor. TRANSPARENCY SENSOR PCU PWB REGISTRATION GROUNDING SENSOR ROLLER SOLENOID REGISTRATION CLUTCH REGISTRATION CHAIN 8 LEVEL 2 SHEET 1 0F 1 BSDs 2/99 Chain 8 Registration DocuPrint C55/C55mp[NC60]...
Page 283 YELLOW DEVELOPER BIAS (RED) THE TRANSFER CONTROL SIGNAL INCREASES THE TRANSFER BIAS FOR TRANSPARENCIES. THIS SIGNAL IS APPROXIMATELY 2.5V FOR PAPER AND 4.6V FOR TRANSPARENCIES. XEROGRAPHICS CHAIN 9 LEVEL 2 SHEET 1 0F 10 2/99 BSDs Chain 9 Xerographics DocuPrint C55/C55mp[NC60]...
Page 284 A New Drum Module needs to be installed. THE MAIN MOTOR CLOCK SIGNALS ARE FROM 17 TO 20 VDC. The Drum Module is not installed correctly. XEROGRAPHICS CHAIN 9 LEVEL 2 SHEET 2 0F 10 BSDs 2/99 Chain 9 Xerographics 7-10 DocuPrint C55/C55mp[NC60]...
Page 285 MOVED AWAY FROM THE ROLLS. THE ROLL WHICH IS ROTATING CREATES A BRUSH AND DEVELOPS AN IMAGE. Status Description Codes The Developer Drive motor is not rotating. XEROGRAPHICS CHAIN 9 LEVEL 2 SHEET 3 0F 10 2/99 BSDs Chain 9 Xerographics DocuPrint C55/C55mp[NC60] 7-11...
Page 286 THE CLOCK A AND CLOCK B SIGNALS ARE APPROXIMATELY 12 VDC WHEN MEASURED TO GROUND. XEROGRAPHICS THE CLOCK A AND CLOCK B SIGNALS ARE APPROXIMATELY 22 VAC WHEN MEASURED ACROSS A & B CHAIN 9 LEVEL 2 SHEET 4 0F 10 BSDs 2/99 Chain 9 Xerographics 7-12 DocuPrint C55/C55mp[NC60]...
Page 287 THE BIAS VOLTAGE SUPPLIED TO THE CYAN, MAGENTA, AND YELLOW MAGNETIC ROLLERS IS DETERMINED XEROGRAPHICS BY THE GAMMA SENSOR DURING THE PROCESS CONTROL SETUP. CHAIN 9 LEVEL 2 SHEET 5 0F 10 2/99 BSDs Chain 9 Xerographics DocuPrint C55/C55mp[NC60] 7-13...
Page 288 The Magenta toner is low. The Cyan toner is low. One of the Sense signals is out of range. XEROGRAPHICS The color developer is misinstalled or is overtoned CHAIN 9 LEVEL 2 SHEET 6 0F 10 BSDs 2/99 Chain 9 Xerographics 7-14 DocuPrint C55/C55mp[NC60]...
Page 289 POWER (NEUTRALIZATION) SUPPLY TD POWER SUPPLY PL 4.2 PL 10.4 CN317 CN103 CN307 PL 10.4 ON (L) +5 VDC +24 VDC INTERLOCKED COROTRON XEROGRAPHICS CHAIN 9 LEVEL 2 SHEET 7 0F 10 2/99 BSDs Chain 9 Xerographics DocuPrint C55/C55mp[NC60] 7-15...
Page 290 9.18 CLEANER JAM DETECTION CONN. PAPER SENSED CLEANER PL 10.4 PL 4.2 CN318 CN307 CN103 SWITCH (L) +5 VDC PL 10 MUX 1 STROBE 1 XEROGRAPHICS CHAIN 9 LEVEL 2 SHEET 8 0F 10 BSDs 2/99 Chain 9 Xerographics 7-16 DocuPrint C55/C55mp[NC60]...
Page 291 RANGE, PRINT MEASURE ADDITIONAL CYAN PATCHES AND +5 VDC READJUST. TEMPER- REPEAT STEP 6 WITH MAGENTA ATURE TEMPERATURE SENSE SIGNAL SENSOR AND YELLOW. XEROGRAPHICS CHAIN 9 LEVEL 2 SHEET 9 0F 10 2/99 BSDs Chain 9 Xerographics DocuPrint C55/C55mp[NC60] 7-17...
Page 292 WASTE TONER FULL (H) +5 VDC ERASE LAMP WASTE TONER SENSOR CONNECTOR PCU PWB Status Description Codes Waste Toner bottle is full or not installed correctly. XEROGRAPHICS CHAIN 9 LEVEL 2 SHEET 10 0F 10 BSDs 2/99 Chain 9 Xerographics 7-18 DocuPrint C55/C55mp[NC60]...
Page 293 Sheet on Exit Sensor at power on. COPY TRANSPORTATION 3 HIGH SPEED IS USED WHEN THE PRINT IS MOVING THROUGH THE FUSER. AND FUSING CHAIN 10 LEVEL 2 SHEET 1 0F 2 2/99 BSDs Chain 10 Copy Transportation and Fusing DocuPrint C55/C55mp[NC60] 7-19...
Page 294 The Thermistor is open. The temperature is below 85°C LVPS PWB The temperature is above 240°C CONNECTOR COPY TRANSPORTATION AND FUSING PCU PWB CHAIN 10 LEVEL 2 SHEET 2 0F 2 BSDs 2/99 Chain 10 Copy Transportation and Fusing 7-20 DocuPrint C55/C55mp[NC60]...
Page 295 ESS IF PWB HARD DRIVE PL 3.1 PL 2.3 CN101 FLAT CABLE FLOPPY DRIVE PL 3.2 CN102 +5 VDC CN103 FLAT CABLE ACCESSORIES HARD DRIVE/MEDIA SERVER CHAIN 13 LEVEL 2 SHEET 1 0F 1 2/99 BSDs Chain 13 Accessories DocuPrint C55/C55mp[NC60] 7-21...
Page 296 CN307-10 Conn. PWB CN1007-3 Waste Bot. Full CN307-15 Conn. PWB CN307-9 Conn. PWB CN1007-2 Waste Bot Full CN307-13 Conn. PWB CN315-7 Conn. PWB Paper Empty Sensor CN304-6 Conn. PWB CN315-6 Conn. PWB CONNECTOR WIRING 2/99 PCU Connectors 7-22 DocuPrint C55/C55mp[NC60]...
Page 297 CN116 CN201-3 Cassette PWB Paper Feed Motor Destination CN201-4 Cassette PWB Paper Feed Motor Color Toner Motor CN201-5 Cassette PWB Paper Feed Motor Color Toner Motor Paper Feed Motor Paper Feed Motor 2/99 CONNECTOR WIRING PCU Connectors DocuPrint C55/C55mp[NC60] 7-23...
Page 298 CN1009-4 Fuser Assy. CN310 Destination CN1009-9 Fuser Assy. Destination Transparency JamSensor CN1009-10 Fuser Assy. CN401-1 Control Panel CN1011-3 CN1009-5 Fuser Assy. CN401-2 Control Panel Transparency Jam Sensor CN401-3 Control Panel CN1011-2 CONNECTOR WIRING 2/99 Connector PWB Connectors 7-24 DocuPrint C55/C55mp[NC60]...
Page 299 CN106-12 PCU PWB Grid Spring Plate CN1001-8 Black Dev Assy CN106-8 PCU PWB CN106-13 PCU PWB Transfer Connector CN106-9 PCU PWB Destination CN106-7 PCU PWB Transfer Spring Plate CN106-14 PCU PWB 2/99 CONNECTOR WIRING HVPS PWB Connectors DocuPrint C55/C55mp[NC60] 7-25...
Page 300 CN104-17 ESS PWB CN107-12 PCU PWB CN107-25 PCU PWB CN104-18 ESS PWB CN202 CN107-26 PCU PWB CN104-19 ESS PWB Destination CN104-20 ESS PWB FT1003-1 Black Toner Mot. FT1003-2 Black Toner Mot. CONNECTOR WIRING 2/99 LVPS PWB/Cassette PWB Connectors 7-26 DocuPrint C55/C55mp[NC60]...
Page 301 CN104-6 PCU PWB CN702-3 LVPS CN702-9 LVPS CN702-2 LVPS CN104-11 PCU PWB CN702-4 LVPS CN702-10 LVPS CN104-8 PCU PWB CN104-1 PCU PWB CN702-5 LVPS CN104-10 PCU PWB CN104-12 PCU PWB CN702-6 LVPS 2/99 CONNECTOR WIRING ESS PWB Connectors DocuPrint C55/C55mp 7-27...
Page 302 Network Connectors CN101 (Hard Drive) Parallel Port Connector CN102 (Floppy) Optional NIC Connector Serial Connector CN103 (Floppy) CN104 Figure 7-6. [NC60] ESS PWB Connectors CN104 CN104-2 PCU PWB CN104-5 PCU PWB CN702-7 LVPS Destination CN104-9 PCU PWB CN104-7 PCU PWB CN702-8 LVPS CN702-1 LVPS CN104-6 PCU PWB...

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Docuprint c55mp Nc60

Xerox DocuPrint C55 Service Manual

Table of Contents

Title

Introduction

Service Call Procedures

2. Status Indicator Raps

Status Indicator Raps

Title

3. Image Quality Page

4. Repairs/Adjustment

Covers

Low Voltage Power Supply

Transfer Drum

Transfer Drum

Adjustments

5. Parts List Section

Title

Introduction

Covers

Parts List

Print Exit

Lvps, Ess

Right Side Components 1

Right Side Components 2

Title

Inner Drive Components

Xerographic Connectors

Paper Feed Assembly

Transfer Drum

Ros

Toner Dispenser Assembly (K)

Paper Cassette

Tray 2 Components

Part Number Index

6. General Procedures

Iot Diagnostics

Special Diagnostics

Background Diagnostics Entering the Background Diagnostic Mode

OFF LINE MENUS (C55/C55Mp)

Menus [Nc60]

ESS TEST PATTERNS and INFORMATION PAGES STARTUP (C55/C55Mp)

Boot Sequence

General Procedures

Quick Links

Service Manual

Chapters

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Questions and answers

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Summary of Contents for Xerox DocuPrint C55