Service Manual
Page 8
...cooling fan 3-76 LVPS card assembly 3-76 HVPS card assembly 3-76 System card assembly 3-77 Control 3-77 Printhead control 3-77 Rotation of printhead motor 3-77 Determination of printhead ready 3-77 Printhead reference value 3-77 Fuser control 3-77 Fuser control method 3-77 Fuser lamp on/off control 3-77 Fuser ...86 Switch (media size 3-87 Sensor (media empty 3-87 Sensor (media low 3-87 Sensor (pass-thru 3-87 Media transport path 3-89 Model T650 paper path, rolls, and sensors 3-89 Models T652 and T654 paper path, rolls, and sensors 3-90 Functions of main components 3-90 Media ...
...cooling fan 3-76 LVPS card assembly 3-76 HVPS card assembly 3-76 System card assembly 3-77 Control 3-77 Printhead control 3-77 Rotation of printhead motor 3-77 Determination of printhead ready 3-77 Printhead reference value 3-77 Fuser control 3-77 Fuser control method 3-77 Fuser lamp on/off control 3-77 Fuser ...86 Switch (media size 3-87 Sensor (media empty 3-87 Sensor (media low 3-87 Sensor (pass-thru 3-87 Media transport path 3-89 Model T650 paper path, rolls, and sensors 3-89 Models T652 and T654 paper path, rolls, and sensors 3-90 Functions of main components 3-90 Media ...
Service Manual
Page 9
... ESD-sensitive parts 4-1 Adjustments 4-2 Polygon and Oscillating printhead mechanical registration adjustment 4-2 Oscillating printhead assembly electronic adjustment 4-3 Alignment assembly adjustment 4-4 Fuser ...solenoid adjustment 4-6 Gap adjustment 4-6 Removals 4-7 Replacement note: To replace a removed part, reverse the order of removal unless noted otherwise 4-7 Access door removal (T650, T652, T654 4-8 Alignment assembly removal (T650, T652, T654 4-8 Connection access cover, rear removal (T650...
... ESD-sensitive parts 4-1 Adjustments 4-2 Polygon and Oscillating printhead mechanical registration adjustment 4-2 Oscillating printhead assembly electronic adjustment 4-3 Alignment assembly adjustment 4-4 Fuser ...solenoid adjustment 4-6 Gap adjustment 4-6 Removals 4-7 Replacement note: To replace a removed part, reverse the order of removal unless noted otherwise 4-7 Access door removal (T650, T652, T654 4-8 Alignment assembly removal (T650, T652, T654 4-8 Connection access cover, rear removal (T650...
Service Manual
Page 10
..., T654 4-54 Pick arm assembly removal (T650, T652, T654 4-54 Pick roll assembly removal (T650, T652, T654 4-57 Print cartridge cooling fan removal (T650, T652, T654 4-57 Print cartridge clamp assembly removal (T650, T652, T654 4-58 Print cartridge ID connector assembly removal (T650, T652, T654 4-59 Printhead assembly removal (T650 4-60 Printhead assembly removal (T652, T654 4-61 Redrive...
..., T654 4-54 Pick arm assembly removal (T650, T652, T654 4-54 Pick roll assembly removal (T650, T652, T654 4-57 Print cartridge cooling fan removal (T650, T652, T654 4-57 Print cartridge clamp assembly removal (T650, T652, T654 4-58 Print cartridge ID connector assembly removal (T650, T652, T654 4-59 Printhead assembly removal (T650 4-60 Printhead assembly removal (T652, T654 4-61 Redrive...
Service Manual
Page 13
... kit 6-2 Parts catalog 7-1 How to use this parts catalog 7-1 Assembly 1: Covers 7-2 Assembly 2: T650, T652, and T654 Operator panel 7-4 Assembly 3: T656dne Operator panel, MPF and smart card 7-6 Assembly 4: Drive motor assemblies and duplex 7-8 Assembly 5: Media path and ducts 7-10 Assembly 6: Printhead, charge, and transfer 7-12 Assembly 7: Pick arm assembly, trays, and MPF 7-14...
... kit 6-2 Parts catalog 7-1 How to use this parts catalog 7-1 Assembly 1: Covers 7-2 Assembly 2: T650, T652, and T654 Operator panel 7-4 Assembly 3: T656dne Operator panel, MPF and smart card 7-6 Assembly 4: Drive motor assemblies and duplex 7-8 Assembly 5: Media path and ducts 7-10 Assembly 6: Printhead, charge, and transfer 7-12 Assembly 7: Pick arm assembly, trays, and MPF 7-14...
Service Manual
Page 49
... connections on page 4-61. 1. Check all connections on page 4-61. 1. Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on the printhead. 2. Replace the printhead if problem remains. Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on the system card assembly. 4. Remove all connections on...
... connections on page 4-61. 1. Check all connections on page 4-61. 1. Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on the printhead. 2. Replace the printhead if problem remains. Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on the system card assembly. 4. Remove all connections on...
Service Manual
Page 50
...input) lingering jam Source = Tray 1 Tray level = Low Description/Action Possible repair actions Media remains on page 4-76. 1. Replace the printhead if problem remains. Go to sensor (input) lingering jam service check. Replace the main drive motor assembly if problem remains. on page 2-135... 2-132. Remove all connections on page 4-54. Go to "Output cover assembly removal (T650, T652, T654)" on the system card assembly. 4. Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on the main drive motor assembly. 3. See "Sensor (...
...input) lingering jam Source = Tray 1 Tray level = Low Description/Action Possible repair actions Media remains on page 4-76. 1. Replace the printhead if problem remains. Go to sensor (input) lingering jam service check. Replace the main drive motor assembly if problem remains. on page 2-135... 2-132. Remove all connections on page 4-54. Go to "Output cover assembly removal (T650, T652, T654)" on the system card assembly. 4. Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on the main drive motor assembly. 3. See "Sensor (...
Service Manual
Page 53
... drive motor assembly has failed or caused high mechanical load due to "Output cover assembly removal (T650, T652, T654)" on page 4-54. Go to paper jam or bind. on the printhead assembly 2. Go to sensor (narrow media) late jam service check. Go to sensor (narrow media... 2-19 Check all connections on page 2-135. The media is late reaching the sensor (narrow media) within the specified time. Replace the printhead assembly if problem remains. 4. The expected wide media is late reaching the sensor (fuser output) within the specified time. Check all connections on...
... drive motor assembly has failed or caused high mechanical load due to "Output cover assembly removal (T650, T652, T654)" on page 4-54. Go to paper jam or bind. on the printhead assembly 2. Go to sensor (narrow media) late jam service check. Go to sensor (narrow media... 2-19 Check all connections on page 2-135. The media is late reaching the sensor (narrow media) within the specified time. Replace the printhead assembly if problem remains. 4. The expected wide media is late reaching the sensor (fuser output) within the specified time. Check all connections on...
Service Manual
Page 54
.... The media is late reaching the sensor (narrow media) within the specified time. 1. Go to "Output cover assembly removal (T650, T652, T654)" on the printhead assembly 2. Check all connections on page 2-139. 2-20 Service Manual Go to printer restart. Check operator panel door assembly for damage...) late jam service check. See "Sensor (narrow media) late jam service check." Replace the system card assembly if problem remains. Replace the printhead assembly if problem remains. 4. Type 2 fuser 201.28 Image data did not cycle prior to sensor (narrow media) late jam service check....
.... The media is late reaching the sensor (narrow media) within the specified time. 1. Go to "Output cover assembly removal (T650, T652, T654)" on the printhead assembly 2. Check all connections on page 2-139. 2-20 Service Manual Go to printer restart. Check operator panel door assembly for damage...) late jam service check. See "Sensor (narrow media) late jam service check." Replace the system card assembly if problem remains. Replace the printhead assembly if problem remains. 4. Type 2 fuser 201.28 Image data did not cycle prior to sensor (narrow media) late jam service check....
Service Manual
Page 55
... a type 2 fuser can be installed. 1. Go to "Output cover assembly removal (T650, T652, T654)" on page 2-139. Go to sensor (fuser output) late jam service check. Check all connections on the printhead assembly 2. Check all connections on the system card assembly. 3. Replace the system card ... (fuser output) within the specified time. Go to paper jam or bind. See "Sensor (fuser output) late jam service check." Replace the printhead assembly if problem remains. 4. Go to sensor (narrow media) late jam service check. See "Sensor (fuser output) service check" on page ...
... a type 2 fuser can be installed. 1. Go to "Output cover assembly removal (T650, T652, T654)" on page 2-139. Go to sensor (fuser output) late jam service check. Check all connections on the printhead assembly 2. Check all connections on the system card assembly. 3. Replace the system card ... (fuser output) within the specified time. Go to paper jam or bind. See "Sensor (fuser output) late jam service check." Replace the printhead assembly if problem remains. 4. Go to sensor (narrow media) late jam service check. See "Sensor (fuser output) service check" on page ...
Service Manual
Page 57
.... 1. Diagnostic information 2-23 The media is late reaching the sensor (narrow media) within the specified time. Check all connections on the printhead assembly 2. See "Sensor (narrow media) late jam service check." Possible repair actions 1. Remove all connections on the system card assembly.... 3. Go to "System card assembly removal (T650, T652, T654, T656)" on page 2-135. Check all media present in left operator panel hinge) for damage. 4. 4062 Error code...
.... 1. Diagnostic information 2-23 The media is late reaching the sensor (narrow media) within the specified time. Check all connections on the printhead assembly 2. See "Sensor (narrow media) late jam service check." Possible repair actions 1. Remove all connections on the system card assembly.... 3. Go to "System card assembly removal (T650, T652, T654, T656)" on page 2-135. Check all media present in left operator panel hinge) for damage. 4. 4062 Error code...
Service Manual
Page 141
... wheel on the print cartridge for proper operation. Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on page 2-155. 1. Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on page 2-155. A non supported printhead is intermittent or noisy. Sensor (toner empty) sensor failure. Check...
... wheel on the print cartridge for proper operation. Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on page 2-155. 1. Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on page 2-155. A non supported printhead is intermittent or noisy. Sensor (toner empty) sensor failure. Check...
Service Manual
Page 142
...may be loose, or the motor may be bad. Check all connections on page 4-76. 1. Go to "System card assembly removal (T650, T652, T654, T656)" on the printhead assembly. 2. Check all connections on page 4-54. 4. Replace the main drive motor assembly. Replace the main drive motor assembly. Motor...have been corrupted, or the cable may be loose, or the motor may be bad. Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on the printhead assembly. 2. Check all connections on page 4-61. 1. 4062 Error code or message 933.00 934....
...may be loose, or the motor may be bad. Check all connections on page 4-76. 1. Go to "System card assembly removal (T650, T652, T654, T656)" on the printhead assembly. 2. Check all connections on page 4-54. 4. Replace the main drive motor assembly. Replace the main drive motor assembly. Motor...have been corrupted, or the cable may be loose, or the motor may be bad. Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on the printhead assembly. 2. Check all connections on page 4-61. 1. 4062 Error code or message 933.00 934....
Service Manual
Page 192
... Replace the print cartridge. 3 Check the transfer roll assembly for foreign objects, such as staples, clips, and scraps, in the printhead assembly, free of excess wear and contamination? Replace the transfer roll assembly. Go to connections. Inspect, clean and reinstall replace the ... Check the laser beam route. Go to step 6. Remove debris or clean the printhead assembly window. 6 Check the HVPS card assembly for proper connection. HVPS card assembly. "HVPS card assembly removal (T650, T652, T654)" on page 4-78. 4 Check the print cartridge for debris ...
... Replace the print cartridge. 3 Check the transfer roll assembly for foreign objects, such as staples, clips, and scraps, in the printhead assembly, free of excess wear and contamination? Replace the transfer roll assembly. Go to connections. Inspect, clean and reinstall replace the ... Check the laser beam route. Go to step 6. Remove debris or clean the printhead assembly window. 6 Check the HVPS card assembly for proper connection. HVPS card assembly. "HVPS card assembly removal (T650, T652, T654)" on page 4-78. 4 Check the print cartridge for debris ...
Service Manual
Page 193
4062 Step Check 7 Check the printhead assembly for proper connection. Is the above component properly connected? 8 Perform a print test. Contact next highest level of tech support. Replace the connections. Diagnostic information 2-159 Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on page 4-61. Does the problem remain? Yes No Replace the printhead assembly. Problem solved.
4062 Step Check 7 Check the printhead assembly for proper connection. Is the above component properly connected? 8 Perform a print test. Contact next highest level of tech support. Replace the connections. Diagnostic information 2-159 Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on page 4-61. Does the problem remain? Yes No Replace the printhead assembly. Problem solved.
Service Manual
Page 194
... to step 3. Is the print cartridge properly installed? Go to step 2. 2 Check the toner level. Go to "Transfer roll assembly removal (T650, T652, T654)" on page 4-61. 5 Check the transfer roll assembly for proper installation. Problem solved. Is the toner level normal? Are ... assembly for foreign objects such as staples, clips, scraps of excess wear and contamination? Go to step 7. Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on page 4-78. 6 Check the print cartridge for contamination and Go to step 6. Go...
... to step 3. Is the print cartridge properly installed? Go to step 2. 2 Check the toner level. Go to "Transfer roll assembly removal (T650, T652, T654)" on page 4-61. 5 Check the transfer roll assembly for proper installation. Problem solved. Is the toner level normal? Are ... assembly for foreign objects such as staples, clips, scraps of excess wear and contamination? Go to step 7. Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on page 4-78. 6 Check the print cartridge for contamination and Go to step 6. Go...
Service Manual
Page 195
... connection. Replace the connections. Go to "HVPS card assembly removal (T650, T652, T654)" on page 4-76. Replace the Is the above component properly connected? Remove debris or clean the printhead assembly window. 8 Check the HVPS card assembly for proper connection. ... beam route. Go to "System card assembly removal (T650, T652, T654, T656)" on page 4-24. 9 Check the printhead assembly for debris between the printhead assembly and the PC drum. Check for proper connection. Replace the printhead assembly. system card assembly. Replace the connections. Go ...
... connection. Replace the connections. Go to "HVPS card assembly removal (T650, T652, T654)" on page 4-76. Replace the Is the above component properly connected? Remove debris or clean the printhead assembly window. 8 Check the HVPS card assembly for proper connection. ... beam route. Go to "System card assembly removal (T650, T652, T654, T656)" on page 4-24. 9 Check the printhead assembly for debris between the printhead assembly and the PC drum. Check for proper connection. Replace the printhead assembly. system card assembly. Replace the connections. Go ...
Service Manual
Page 197
...installation. Replace the transfer roll assembly. Is the laser beam route free of debris and the glass window, in the printhead assembly, free of debris? Is the above component properly installed? Is the above component properly connected? Replace the connections... Does the error continue? Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on page 4-78. 6 Check the printhead assembly for debris between the printhead assembly and the PC drum. Replace the printhead assembly. Remove debris or contamination. 3 Check...
...installation. Replace the transfer roll assembly. Is the laser beam route free of debris and the glass window, in the printhead assembly, free of debris? Is the above component properly installed? Is the above component properly connected? Replace the connections... Does the error continue? Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on page 4-78. 6 Check the printhead assembly for debris between the printhead assembly and the PC drum. Replace the printhead assembly. Remove debris or contamination. 3 Check...
Service Manual
Page 198
... step 5. Is the above component properly connected? Go to step 2. Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on page 4-78. 5 Check the printhead assembly for contamination and wear. Go to "Transfer roll assembly removal (T650, T652, T654)" on page 4-61. Contact next highest level of excess wear...
... step 5. Is the above component properly connected? Go to step 2. Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on page 4-78. 5 Check the printhead assembly for contamination and wear. Go to "Transfer roll assembly removal (T650, T652, T654)" on page 4-61. Contact next highest level of excess wear...
Service Manual
Page 202
... beam route free of debris and the glass window, in the printhead assembly, free of excess wear and contamination? Is the above component properly installed? Yes Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on page 4-78. Replace the ... 4 Check the transfer roll assembly for debris between the printhead assembly and the PC drum. Replace the print cartridge. Remove debris or clean the printhead assembly window. Go to step 6. Go to "Transfer roll assembly removal (T650, T652, T654)" on page 4-61. 2-168 Service ...
... beam route free of debris and the glass window, in the printhead assembly, free of excess wear and contamination? Is the above component properly installed? Yes Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on page 4-78. Replace the ... 4 Check the transfer roll assembly for debris between the printhead assembly and the PC drum. Replace the print cartridge. Remove debris or clean the printhead assembly window. Go to step 6. Go to "Transfer roll assembly removal (T650, T652, T654)" on page 4-61. 2-168 Service ...
Service Manual
Page 204
... tech support. CAUTION: : Allow the fuser unit assembly to "Fuser unit assembly removal (T650, T652, T654)" on page 4-23. Go to step 7 Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on the heat roll and/or pressure roll? 7 Check the... printhead installation. Problem solved. 2-170 Service Manual Remove the fuser unit assembly. Does the problem remain...
... tech support. CAUTION: : Allow the fuser unit assembly to "Fuser unit assembly removal (T650, T652, T654)" on page 4-23. Go to step 7 Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on the heat roll and/or pressure roll? 7 Check the... printhead installation. Problem solved. 2-170 Service Manual Remove the fuser unit assembly. Does the problem remain...