User's Guide
Page 209
...(Job Menu) 130 card stock, choosing 23 charge roll, replacing 49 clearing paper jams 57 Collation (Finishing Menu) 120 collation, enabling 120 complex page errors 170 Confidential Job (Job Menu) 131 Configure MP (Paper Menu) 141 Copies (Finishing Menu) 120 copies, specifying number 120 Custom Types (Paper Menu)...symbol sets (PCL 6 emulation) 197 symbol sets supported 153 weight and style 189 Format Disk (Utilities Menu) 175 Format Flash (Utilities Menu) 175 fuser, replacing 51 H hard disk, directory 176 hard disk, formatting 175 hard disk, storage location 169 held jobs 12 Held Jobs (Job Menu) ...
...(Job Menu) 130 card stock, choosing 23 charge roll, replacing 49 clearing paper jams 57 Collation (Finishing Menu) 120 collation, enabling 120 complex page errors 170 Confidential Job (Job Menu) 131 Configure MP (Paper Menu) 141 Copies (Finishing Menu) 120 copies, specifying number 120 Custom Types (Paper Menu)...symbol sets (PCL 6 emulation) 197 symbol sets supported 153 weight and style 189 Format Disk (Utilities Menu) 175 Format Flash (Utilities Menu) 175 fuser, replacing 51 H hard disk, directory 176 hard disk, formatting 175 hard disk, storage location 169 held jobs 12 Held Jobs (Job Menu) ...
User's Guide
Page 210
... Jobs 131 Print Buffer 132 Reset Printer 132 job statistics 170 jobs, canceling 130 jobs, confidential 131 L labels 22 guidelines 22 printer maintenance 23 laser notices 206 letterhead 20 Lines per Page...Network Menu) 138 MAC Binary PS (USB Menu) 179 maintenance replacing charge roll 49 replacing fuser 51 replacing print cartridge 48 replacing transfer roll 50 resetting maintenance counter 52 Max Baud Rate (...Software Error 110 54 Par ENA Connection Lost 111 54 Parallel Error 111 54 Parallel Option Error 111 54 Serial Option Error 110 54 Standard Serial Error 110 54 Std Network Software Error ...
... Jobs 131 Print Buffer 132 Reset Printer 132 job statistics 170 jobs, canceling 130 jobs, confidential 131 L labels 22 guidelines 22 printer maintenance 23 laser notices 206 letterhead 20 Lines per Page...Network Menu) 138 MAC Binary PS (USB Menu) 179 maintenance replacing charge roll 49 replacing fuser 51 replacing print cartridge 48 replacing transfer roll 50 resetting maintenance counter 52 Max Baud Rate (...Software Error 110 54 Par ENA Connection Lost 111 54 Parallel Error 111 54 Parallel Option Error 111 54 Serial Option Error 110 54 Standard Serial Error 110 54 Std Network Software Error ...
User's Guide
Page 212
... 19 tendency to curl 19 weight specifications 18 Print Menus (Utilities Menu) 177 Print Net Setup (Utilities Menu) 177 Print PS Error (PostScript Menu) 159 print quality 160 adjusting PictureGrade 160 adjusting resolution 161 character smoothing 160 toner darkness 161 Print Resolution (Quality Menu... Print Resolution 161 Toner Darkness 161 R recommended paper types 19 replacing charge roll 49 fuser 51 print cartridge 48 transfer roll 50 Reset Printer (Job Menu) 132 resetting maintenance counter 52 resetting printer 132 resident fonts 192 Resource Save (Setup Menu) 172 Robust XON (Serial Menu)...
... 19 tendency to curl 19 weight specifications 18 Print Menus (Utilities Menu) 177 Print Net Setup (Utilities Menu) 177 Print PS Error (PostScript Menu) 159 print quality 160 adjusting PictureGrade 160 adjusting resolution 161 character smoothing 160 toner darkness 161 Print Resolution (Quality Menu... Print Resolution 161 Toner Darkness 161 R recommended paper types 19 replacing charge roll 49 fuser 51 print cartridge 48 transfer roll 50 Reset Printer (Job Menu) 132 resetting maintenance counter 52 resetting printer 132 resident fonts 192 Resource Save (Setup Menu) 172 Robust XON (Serial Menu)...
Service Manual
Page 3
...Information ix Laser Notices ix Safety Information xviii Preface xxiii General Information 1-1 Options 1-2 Maintenance Approach 1-3 Tools Required for Service 1-3 Acronyms 1-4 Diagnostic Information 2-1 Start 2-1 Service Error Codes 2-2 User Status Messages 2-22 User Error Messages ...2-25 Power-On Self Test (POST 2-35 Symptom Tables 2-36 Service Checks 2-39 Charge Roll Service Check 2-40 Cover Open Switch/Cable Service Check 2-42 Dead Machine Service Check 2-43 Duplex Unit Service Check 2-45 Envelope Feeder Service Check 2-48 Fuser Service Check 2-56 Fuser...
...Information ix Laser Notices ix Safety Information xviii Preface xxiii General Information 1-1 Options 1-2 Maintenance Approach 1-3 Tools Required for Service 1-3 Acronyms 1-4 Diagnostic Information 2-1 Start 2-1 Service Error Codes 2-2 User Status Messages 2-22 User Error Messages ...2-25 Power-On Self Test (POST 2-35 Symptom Tables 2-36 Service Checks 2-39 Charge Roll Service Check 2-40 Cover Open Switch/Cable Service Check 2-42 Dead Machine Service Check 2-43 Duplex Unit Service Check 2-45 Envelope Feeder Service Check 2-48 Fuser Service Check 2-56 Fuser...
Service Manual
Page 31
.... Reload the paper and POR the printer. Go to the "Fuser Service Check" on page 2-56. 922 Fuser Error Fuser failed to the "Fuser Service Check" on page 2-102. 930 Printhead Error The wrong printhead is installed and the 925 error remains, the fuser may have reached standby temperature too quickly.... Go to the "Transfer Roll Service Check" on page 2-56. 923 Fuser Error Fuser is too hot during printing or when printer is defective. 4520-xxx Error Code Action 914 DC Pick Motor: No encoder feedback Check the integrated paper tray (tray 1) ...
.... Reload the paper and POR the printer. Go to the "Fuser Service Check" on page 2-56. 922 Fuser Error Fuser failed to the "Fuser Service Check" on page 2-102. 930 Printhead Error The wrong printhead is installed and the 925 error remains, the fuser may have reached standby temperature too quickly.... Go to the "Transfer Roll Service Check" on page 2-56. 923 Fuser Error Fuser is too hot during printing or when printer is defective. 4520-xxx Error Code Action 914 DC Pick Motor: No encoder feedback Check the integrated paper tray (tray 1) ...
Service Manual
Page 37
...B5 Env, F=Legal Env. Check input sensor and flag. The following table displays up to 8 status bytes of the transfer plate and input to the fuser for anything that the input sensor in the printer is still actuated from the first sheet and the second sheet is ready to help diagnose... 2-9 These status bytes are designed to arrive at the sensor. (x1=media size, x2=media source) *Check the printer input sensor and flag for correct operation. 4520-xxx Base Printer Sub Error Codes Each status byte has a different level of troubleshooting value for each area of these bytes may be any signs...
...B5 Env, F=Legal Env. Check input sensor and flag. The following table displays up to 8 status bytes of the transfer plate and input to the fuser for anything that the input sensor in the printer is still actuated from the first sheet and the second sheet is ready to help diagnose... 2-9 These status bytes are designed to arrive at the sensor. (x1=media size, x2=media source) *Check the printer input sensor and flag for correct operation. 4520-xxx Base Printer Sub Error Codes Each status byte has a different level of troubleshooting value for each area of these bytes may be any signs...
Service Manual
Page 42
...POST. *This error can be caused by a sheet of paper when not expected or a piece of media indicating there is present, check the exit sensor assembly, internal fuser assembly cabling, DC fuser cable to the system board, and the cable connection to feed a piece of paper through the printer (could run ...Manual Feed a sheet of paper, and if the same error occurs after clearing the fuser or the same error occurs when no media is a piece of the fuser assembly or redrive assembly. Explanation 89 00 01 The exit sensor in the fuser was covered by erratic operation of exit sensor flag or exit...
...POST. *This error can be caused by a sheet of paper when not expected or a piece of media indicating there is present, check the exit sensor assembly, internal fuser assembly cabling, DC fuser cable to the system board, and the cable connection to feed a piece of paper through the printer (could run ...Manual Feed a sheet of paper, and if the same error occurs after clearing the fuser or the same error occurs when no media is a piece of the fuser assembly or redrive assembly. Explanation 89 00 01 The exit sensor in the fuser was covered by erratic operation of exit sensor flag or exit...
Service Manual
Page 43
... the paper path. Other sheets may have started to pick, but none were in the paper path. Check the fuser DC cable to J14 on the system board. The paper ahead of the media fed through the printer. *This error can be displayed after a 201 paper jam. *This can be caused by a defective... fuser exit sensor assembly. 8E xx 02 x1 x2 8E xx 06 x1 8E xx 07 x1 8E xx 08 8E...
... the paper path. Other sheets may have started to pick, but none were in the paper path. Check the fuser DC cable to J14 on the system board. The paper ahead of the media fed through the printer. *This error can be displayed after a 201 paper jam. *This can be caused by a defective... fuser exit sensor assembly. 8E xx 02 x1 x2 8E xx 06 x1 8E xx 07 x1 8E xx 08 8E...
Service Manual
Page 45
... Hot Roll took too long to reach. Fuser Error (Fuser under temperature while at turn on . 922 Service - zz -- -2 xx=Actual Fuser Temperature yy=The temperature that the fuser wants to reach. 4520-xxx Base Printer (Fuser) Sub Error Codes The following Sub Error Codes could be any value Explanation 920 Service - Fuser Error (Fuser failed to the desired temperature. 921 Service...
... Hot Roll took too long to reach. Fuser Error (Fuser under temperature while at turn on . 922 Service - zz -- -2 xx=Actual Fuser Temperature yy=The temperature that the fuser wants to reach. 4520-xxx Base Printer (Fuser) Sub Error Codes The following Sub Error Codes could be any value Explanation 920 Service - Fuser Error (Fuser failed to the desired temperature. 921 Service...
Service Manual
Page 46
4520-xxx First 6 Bytes Sub Error Code Data - Fuser Error (Fuser over temperature) EN 12 xx yy -- 1 EN -- -- -- -2 This sub error code is made of the thermistor circuit in time. 923 Service - xx=Actual Fuser Temperature 2-18 Service Manual Fuser Error (Open Thermistor Failure) EN 18 xx -- - 1 EN -- 00 -- -2 This code is usually generated when an open circuit check...
4520-xxx First 6 Bytes Sub Error Code Data - Fuser Error (Fuser over temperature) EN 12 xx yy -- 1 EN -- -- -- -2 This sub error code is made of the thermistor circuit in time. 923 Service - xx=Actual Fuser Temperature 2-18 Service Manual Fuser Error (Open Thermistor Failure) EN 18 xx -- - 1 EN -- 00 -- -2 This code is usually generated when an open circuit check...
Service Manual
Page 47
Envelope Feeder Sub Error Codes First 6 Bytes Sub Error Code Data - Fuser Error (Wrong Fuser Lamp Installed) Note: The Sub Error Codes below are only for an incorrect lamp being installed. xx=00 Lamp detection performed and found an error. 01 It took long to reach. Note: xx can be any value ...Note: xx can be any value Explanation 925 Service - Diagnostic Information 2-19 4520-xxx First 6 Bytes Sub Error Code Data - EN 07 xx yy zz 1 EN -- -- -- 2 This error code is generated anytime an incorrect lamp is an envelope in the feeder during POST. yy=Actual Temperature zz...
Envelope Feeder Sub Error Codes First 6 Bytes Sub Error Code Data - Fuser Error (Wrong Fuser Lamp Installed) Note: The Sub Error Codes below are only for an incorrect lamp being installed. xx=00 Lamp detection performed and found an error. 01 It took long to reach. Note: xx can be any value ...Note: xx can be any value Explanation 925 Service - Diagnostic Information 2-19 4520-xxx First 6 Bytes Sub Error Code Data - EN 07 xx yy zz 1 EN -- -- -- 2 This error code is generated anytime an incorrect lamp is an envelope in the feeder during POST. yy=Actual Temperature zz...
Service Manual
Page 57
...printer detects an unformatted disk at power on the disk to hold the resources that have been requested to be written to the disk. It is discarded and must be programmed in the engine flash code module has failed a CRC check. This error displays when the microcode to replace the fuser..." on page 6-2. For more information, go to clear the message. Press Go to maintain the print quality and reliability of the printer. Disk operations are available as bad and normal operation continues. This message displays for both resource and PostScript Disk operators when the disk...
...printer detects an unformatted disk at power on the disk to hold the resources that have been requested to be written to the disk. It is discarded and must be programmed in the engine flash code module has failed a CRC check. This error displays when the microcode to replace the fuser..." on page 6-2. For more information, go to clear the message. Press Go to maintain the print quality and reliability of the printer. Disk operations are available as bad and normal operation continues. This message displays for both resource and PostScript Disk operators when the disk...
Service Manual
Page 84
... and the 925 error remains, the fuser may display for a cold fuser failure. If the correct fuser lamp is installed and a 925 error remains, the problem may be cleared by an incorrectly mounted thermistor. Note: A 920, 921 or 922 fuser error may be above the maximum rating for the printer. 2-56 Service Manual A 925 service error indicates the wrong...
... and the 925 error remains, the fuser may display for a cold fuser failure. If the correct fuser lamp is installed and a 925 error remains, the problem may be cleared by an incorrectly mounted thermistor. Note: A 920, 921 or 922 fuser error may be above the maximum rating for the printer. 2-56 Service Manual A 925 service error indicates the wrong...
Service Manual
Page 86
..., go to step 3. If there is incorrect, replace the fuser top cover assembly. If correct, go to step 4. 2-58 Service Manual 4520-xxx Hot Fuser Service Check Error Code 923: Indicates the fuser is too hot during printing or when the printer is correct, check each pin of J6 to ground. Note:... Check the fuser sub error codes to help diagnose between pins J6-1 and J6-2 on the...
..., go to step 3. If there is incorrect, replace the fuser top cover assembly. If correct, go to step 4. 2-58 Service Manual 4520-xxx Hot Fuser Service Check Error Code 923: Indicates the fuser is too hot during printing or when the printer is correct, check each pin of J6 to ground. Note:... Check the fuser sub error codes to help diagnose between pins J6-1 and J6-2 on the...
Service Manual
Page 105
...it must be displayed. Check the main drive assembly for any loose or worn parts in contact with the grease in the gearbox assembly. A service error code 936 - Evenly spaced horizontal lines or marks." FRU 1 Main Drive Assembly (Excessive noise or vibration) 2 Main Drive Motor Assembly (Excessive noise... so on) 3 Main Drive Motor Cable Action Remove the controller board and run a Diagnostic Print Test in the main drive, toner cartridge, fuser or main drive gearbox. Repair as necessary. If this does not fix the problem, replace the main drive motor. on the engine board. If...
...it must be displayed. Check the main drive assembly for any loose or worn parts in contact with the grease in the gearbox assembly. A service error code 936 - Evenly spaced horizontal lines or marks." FRU 1 Main Drive Assembly (Excessive noise or vibration) 2 Main Drive Motor Assembly (Excessive noise... so on) 3 Main Drive Motor Cable Action Remove the controller board and run a Diagnostic Print Test in the main drive, toner cartridge, fuser or main drive gearbox. Repair as necessary. If this does not fix the problem, replace the main drive motor. on the engine board. If...
Service Manual
Page 155
If duplex is printed: • Diagnostic EP Setup: - To run the Print Quality Test Pages: 1. fuser temperature, warm up time, transfer, print contrast and charge roll settings. • Contents of three pages. Note: The print quality test pages can also be.... The following is turned On, the pages are duplexed, otherwise the pages are printed in NVRAM. The print quality test consists of the Diagnostic Error Log. • Printer configuration information: - If you want more than one copy of graphics and text. Diagnostic Aids 3-23 Page one side. The Print Quality Test ...
If duplex is printed: • Diagnostic EP Setup: - To run the Print Quality Test Pages: 1. fuser temperature, warm up time, transfer, print contrast and charge roll settings. • Contents of three pages. Note: The print quality test pages can also be.... The following is turned On, the pages are duplexed, otherwise the pages are printed in NVRAM. The print quality test consists of the Diagnostic Error Log. • Printer configuration information: - If you want more than one copy of graphics and text. Diagnostic Aids 3-23 Page one side. The Print Quality Test ...
Service Manual
Page 160
... over the sensor or paper arriving at the sensor too late, the paper is jammed in the fuser assembly or is jammed between the printer input and exit sensors. Paper Jams - Use the sub error code table to feed correctly into the duplex unit. 3-28 Service Manual The redrive assembly may not... be caused by the paper exiting the input sensor too late or jamming in the fuser assembly prior to activating...
... over the sensor or paper arriving at the sensor too late, the paper is jammed in the fuser assembly or is jammed between the printer input and exit sensors. Paper Jams - Use the sub error code table to feed correctly into the duplex unit. 3-28 Service Manual The redrive assembly may not... be caused by the paper exiting the input sensor too late or jamming in the fuser assembly prior to activating...
Service Manual
Page 325
... Connector Locations Controller Board 5-10 Duplex Unit Board 5-18 Engine Board 5-4 Envelope Feeder Board 5-16 Fuser Board 5-12 High Voltage Power Supply 5-3 Interconnect Board 5-14 LVPS 5-1 Network Controller Board 5-11 Controller... 3-9 Duplex Motor Test 3-8 Duplex Quick Test 3-6 Duplex Sensor Test 3-7 Error Log 3-10 Clearing the Error Log 3-10 Viewing the Error Log 3-10 Hardware Tests 3-11 Button Test 3-11 LCD Test 3-11 ... Bin Test - Standard Bin 3-16 Print Registration 3-17 Print Tests 3-22 Printer Setup 3-18 Maintenance Page Count 3-19 Restore EP Factory Defaults 3-21 Setting Configuration...
... Connector Locations Controller Board 5-10 Duplex Unit Board 5-18 Engine Board 5-4 Envelope Feeder Board 5-16 Fuser Board 5-12 High Voltage Power Supply 5-3 Interconnect Board 5-14 LVPS 5-1 Network Controller Board 5-11 Controller... 3-9 Duplex Motor Test 3-8 Duplex Quick Test 3-6 Duplex Sensor Test 3-7 Error Log 3-10 Clearing the Error Log 3-10 Viewing the Error Log 3-10 Hardware Tests 3-11 Button Test 3-11 LCD Test 3-11 ... Bin Test - Standard Bin 3-16 Print Registration 3-17 Print Tests 3-22 Printer Setup 3-18 Maintenance Page Count 3-19 Restore EP Factory Defaults 3-21 Setting Configuration...
Service Manual
Page 326
...Paper Tray - 500 Sheet 7-18 Kiosk - 4520-xxx Fuser Board 5-12 H Hardware Tests 3-11 HVPS Connectors 5-3 I I 7-42 Input Tray Feed Test 3-15 Input Tray Sensor Test 3-15 Interconnect Board Connectors 5-14 L Laser Notices ix LCD Test 3-11 Low Voltage Power Supply 5-1... Lubrication Specifications 6-1 LVPS Connectors 5-1 M Maintenance Approach 1-3 Maintenance Page Count 3-19 Maintenance, Preventive 6-1 Maintenance, Scheduled 6-2 Messages Check Device Connection Messages 2-33 Service Error Codes 2-2 User Error Messages 2-25 ...
...Paper Tray - 500 Sheet 7-18 Kiosk - 4520-xxx Fuser Board 5-12 H Hardware Tests 3-11 HVPS Connectors 5-3 I I 7-42 Input Tray Feed Test 3-15 Input Tray Sensor Test 3-15 Interconnect Board Connectors 5-14 L Laser Notices ix LCD Test 3-11 Low Voltage Power Supply 5-1... Lubrication Specifications 6-1 LVPS Connectors 5-1 M Maintenance Approach 1-3 Maintenance Page Count 3-19 Maintenance, Preventive 6-1 Maintenance, Scheduled 6-2 Messages Check Device Connection Messages 2-33 Service Error Codes 2-2 User Error Messages 2-25 ...
