Service Manual
Page 4
...Check 2-30 RIP Card Service Check 2-31 Dead Machine Service Check 2-33 Low Voltage Power Supply (LVPS) Service Check 2-33 Fuser Service Check 2-34 Main Motor Service Check 2-37 Operator Panel Service Check 2-38 Transfer Roll Service Check 2-40 Paper Feed ...4-3 Re-assembly 4-5 Removal Procedures 4-6 Cover Removals 4-6 Rear Exit Door Removal 4-18 Duplex Tray Assembly Removal 4-19 Fuser Assembly, Fuser Paper Exit Guide, Fuser Exit Sensor, and Fuser Lamp Removal 4-20 Terminal Assembly Removal 4-22 Tray Damper and Spring Removal 4-23 Door Latches Removal 4-24 Bracket, Opener Shutter...
...Check 2-30 RIP Card Service Check 2-31 Dead Machine Service Check 2-33 Low Voltage Power Supply (LVPS) Service Check 2-33 Fuser Service Check 2-34 Main Motor Service Check 2-37 Operator Panel Service Check 2-38 Transfer Roll Service Check 2-40 Paper Feed ...4-3 Re-assembly 4-5 Removal Procedures 4-6 Cover Removals 4-6 Rear Exit Door Removal 4-18 Duplex Tray Assembly Removal 4-19 Fuser Assembly, Fuser Paper Exit Guide, Fuser Exit Sensor, and Fuser Lamp Removal 4-20 Terminal Assembly Removal 4-22 Tray Damper and Spring Removal 4-23 Door Latches Removal 4-24 Bracket, Opener Shutter...
Service Manual
Page 50
Fuser too hot during printing or idle (923). Fuser below standby temperature at idle (921). 4048-00x Fuser Error Indicates a problem with the fuser. Open circuit in thermistor path (924). See the "Fuser Service Check" on , the alarm does sound when this error occurs. 2-14 Service Manual Fuser failed to reach standby temperature (922). Fuser below temperature when printing (920). Incorrect fuser lamp installed (925). Note: If the alarm control is turned on page 2-34 for more information.
Fuser too hot during printing or idle (923). Fuser below standby temperature at idle (921). 4048-00x Fuser Error Indicates a problem with the fuser. Open circuit in thermistor path (924). See the "Fuser Service Check" on , the alarm does sound when this error occurs. 2-14 Service Manual Fuser failed to reach standby temperature (922). Fuser below temperature when printing (920). Incorrect fuser lamp installed (925). Note: If the alarm control is turned on page 2-34 for more information.
Service Manual
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Fuser lamp never turns off. See the "Paper Feed Service Checks" on page 2-35. Check for correct POST functioning of the lights come on. Main motor does not come on . See the "Cold Fuser Service Check" on page 2-41. 2-26 Service Manual 4048-00x Power-On Self Test (POST) When... Service Check" on , it performs a Power-On Self Test. See the "Operator Panel Service Check" on page 2-37. Fuser lamp does not come on page 2-29. See the "Hot Fuser Service Check" on page 2-38. Action See the "Cover Interlock Switch Service Check" on page 2-38. See the "Operator ...
Fuser lamp never turns off. See the "Paper Feed Service Checks" on page 2-35. Check for correct POST functioning of the lights come on. Main motor does not come on . See the "Cold Fuser Service Check" on page 2-41. 2-26 Service Manual 4048-00x Power-On Self Test (POST) When... Service Check" on , it performs a Power-On Self Test. See the "Operator Panel Service Check" on page 2-37. Fuser lamp does not come on page 2-29. See the "Hot Fuser Service Check" on page 2-38. Action See the "Cover Interlock Switch Service Check" on page 2-38. See the "Operator ...
Service Manual
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...on page 2-41. See "Heavy Background" on page 2-33. 4048-00x Printer Symptom Table Symptom Dead machine (no power) Fan noisy or not working Fuser parts melted Fuser lamp doesn't light Toner not fused to the paper Blank page Black page Heavy background Light print White or black lines or bands Toner on... picks Paper feeds continuously Paper skew Action See "Dead Machine Service Check" on page 2-51. See "Cooling Fan Service Check" on page 2-35. See "Cold Fuser Service Check" on page 2-29. See "Light Print" on page 2-54. See "Toner on Back of Page" on page 2-53. See "Paper Feed Service...
...on page 2-41. See "Heavy Background" on page 2-33. 4048-00x Printer Symptom Table Symptom Dead machine (no power) Fan noisy or not working Fuser parts melted Fuser lamp doesn't light Toner not fused to the paper Blank page Black page Heavy background Light print White or black lines or bands Toner on... picks Paper feeds continuously Paper skew Action See "Dead Machine Service Check" on page 2-51. See "Cooling Fan Service Check" on page 2-35. See "Cold Fuser Service Check" on page 2-29. See "Light Print" on page 2-54. See "Toner on Back of Page" on page 2-53. See "Paper Feed Service...
Service Manual
Page 68
... after replacing the RIP card assembly. See "Printer Diagnostics Mode" on page 3-6 for hardware alignment of action. 2-32 Service Manual The printhead motor runs. 7. The fuser lamp comes on solid. 3. If some lights are active but the printer does not go through steps 1 and 2 above, replace the RIP card assembly. 4048-00x...
... after replacing the RIP card assembly. See "Printer Diagnostics Mode" on page 3-6 for hardware alignment of action. 2-32 Service Manual The printhead motor runs. 7. The fuser lamp comes on solid. 3. If some lights are active but the printer does not go through steps 1 and 2 above, replace the RIP card assembly. 4048-00x...
Service Manual
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The line voltage to the paper, it is easily broken. Warning: Avoid handling the lamp as much as possible as skin contains acids that can weaken the glass. 4048-00x Fuser Service Check When toner is partially fused to the printer must be within the following limits: • 100 V ac-127 V ac for the nominal-110 V model printer • 200 V ac-240 V ac for the nominal-220 V model printer 2-34 Service Manual Be careful not to touch the glass housing with bare hands, as it is usually caused by low fuser temperature.
The line voltage to the paper, it is easily broken. Warning: Avoid handling the lamp as much as possible as skin contains acids that can weaken the glass. 4048-00x Fuser Service Check When toner is partially fused to the printer must be within the following limits: • 100 V ac-127 V ac for the nominal-110 V model printer • 200 V ac-240 V ac for the nominal-220 V model printer 2-34 Service Manual Be careful not to touch the glass housing with bare hands, as it is usually caused by low fuser temperature.
Service Manual
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... #1 and #2) If there is continuity, go to step 2. Diagnostic Information 2-35 Make sure the fuser thermistor is not present, replace the LVPS. 4048-00x Cold Fuser Service Check FRU Fuser Lamp Lamp Cable LVPS Action Unplug the printer and disconnect the fuser lamp cable from the RIP card assembly and check for +4 V to +5 V dc. Replug and turn... the thermistor cable from the LVPS card connector (CN3). If there is incorrect, see "RIP Card Service Check" on the LVPS. Step 1: Continuity Reconnect the fuser lamp cable at connector CN4 on page 2-31.
... #1 and #2) If there is continuity, go to step 2. Diagnostic Information 2-35 Make sure the fuser thermistor is not present, replace the LVPS. 4048-00x Cold Fuser Service Check FRU Fuser Lamp Lamp Cable LVPS Action Unplug the printer and disconnect the fuser lamp cable from the RIP card assembly and check for +4 V to +5 V dc. Replug and turn... the thermistor cable from the LVPS card connector (CN3). If there is incorrect, see "RIP Card Service Check" on the LVPS. Step 1: Continuity Reconnect the fuser lamp cable at connector CN4 on page 2-31.
Service Manual
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...approximately 40°C) and 2K-3K ohms hot. The voltage rating is stamped on the surface of the thermistor. FRU Fuser assembly Action If the fuser lamp comes on and a fuser failure error code displays, be sure the thermistor is contacting the hot roll and the thermistor cable is installed. 4048-...00x Make sure the correct voltage lamp is firmly seated in connector J22 on the RIP card assembly. (The thermistor cable ...
...approximately 40°C) and 2K-3K ohms hot. The voltage rating is stamped on the surface of the thermistor. FRU Fuser assembly Action If the fuser lamp comes on and a fuser failure error code displays, be sure the thermistor is contacting the hot roll and the thermistor cable is installed. 4048-...00x Make sure the correct voltage lamp is firmly seated in connector J22 on the RIP card assembly. (The thermistor cable ...
Service Manual
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... continuity exists on the RIP card assembly. • If the voltage is installed. Replace the fuser assembly as necessary. The voltage rating is stamped on one or more of the lamp contacts. Note: Always check printhead alignment after replacing the RIP card assembly. The resistance measures approximately... 2-37 If continuity does not exist on page 2-33 or replace the RIP card assembly. 4048-00x Hot Fuser Service Check Make sure the correct voltage lamp is correct, check the main motor cable for hardware alignment of the thermistor. Main Motor Service Check FRU Main...
... continuity exists on the RIP card assembly. • If the voltage is installed. Replace the fuser assembly as necessary. The voltage rating is stamped on one or more of the lamp contacts. Note: Always check printhead alignment after replacing the RIP card assembly. The resistance measures approximately... 2-37 If continuity does not exist on page 2-33 or replace the RIP card assembly. 4048-00x Hot Fuser Service Check Make sure the correct voltage lamp is correct, check the main motor cable for hardware alignment of the thermistor. Main Motor Service Check FRU Main...
Service Manual
Page 89
... the toner cartridge is installed correctly and is being used. If all components appear free of Image FRU Fuser Lamp Light Print FRU Toner Cartridge Transfer Roller HVPS Contact (Transfer Roller) HVPS Card Action The fuser may not be operating at a time in the order shown: • Transfer roller • HVPS contact (transfer... one at the proper temperature to fuse the toner to the paper. Check the transfer roller for signs of toner buildup and contamination. See "Cold Fuser Service Check" on toner. If the problem continues, install a new toner cartridge.
... the toner cartridge is installed correctly and is being used. If all components appear free of Image FRU Fuser Lamp Light Print FRU Toner Cartridge Transfer Roller HVPS Contact (Transfer Roller) HVPS Card Action The fuser may not be operating at a time in the order shown: • Transfer roller • HVPS contact (transfer... one at the proper temperature to fuse the toner to the paper. Check the transfer roller for signs of toner buildup and contamination. See "Cold Fuser Service Check" on toner. If the problem continues, install a new toner cartridge.
Service Manual
Page 126
4048-00x Fuser Assembly, Fuser Paper Exit Guide, Fuser Exit Sensor, and Fuser Lamp Removal 1. Remove the rear cover. To remove the fuser assembly, release the two latches and remove the cooling fan duct [A]. 5. To replace only the paper exit guide or exit sensor, remove one screw [B] to ...
4048-00x Fuser Assembly, Fuser Paper Exit Guide, Fuser Exit Sensor, and Fuser Lamp Removal 1. Remove the rear cover. To remove the fuser assembly, release the two latches and remove the cooling fan duct [A]. 5. To replace only the paper exit guide or exit sensor, remove one screw [B] to ...
Service Manual
Page 127
To replace the fuser lamp, remove the two screws at each end and very carefully extract the lamp from the heater roll. Repair Information 4-21 Note: Removing the lower left screw requires a long screwdriver (approximately a 6-inch shank). 10.Remove the fuser. 11. Warning: Do not touch the glass of a good lamp; Note: It may be easier to unplug the fuser lamp once the fuser is loosened. 9. Unplug the fuser lamp, exit sensor, and thermistor cables [B]. Remove the four screws [A]. 4048-00x 8. it causes premature failure.
To replace the fuser lamp, remove the two screws at each end and very carefully extract the lamp from the heater roll. Repair Information 4-21 Note: Removing the lower left screw requires a long screwdriver (approximately a 6-inch shank). 10.Remove the fuser. 11. Warning: Do not touch the glass of a good lamp; Note: It may be easier to unplug the fuser lamp once the fuser is loosened. 9. Unplug the fuser lamp, exit sensor, and thermistor cables [B]. Remove the four screws [A]. 4048-00x 8. it causes premature failure.
Service Manual
Page 203
... Assembly Removal 4-19 E Entrance Guide Removal 4-32 ESD-Sensitive Parts 4-1 F Factory Defaults restoring 2-62 Flash Memory 1-3 Fonts 1-8 Front Cover Removal 4-7 Fuser Assembly Removal 4-20 Fuser Exit Sensor Removal 4-20 Fuser Lamp Removal 4-20 Fuser Paper Exit Guide Removal 4-20 H Handling ESD-Sensitive Parts 4-1 HVPS Card Removal 4-56 I -1 Paper Sensor Removal 4-50 Lower (MPF) Housing Assembly...
... Assembly Removal 4-19 E Entrance Guide Removal 4-32 ESD-Sensitive Parts 4-1 F Factory Defaults restoring 2-62 Flash Memory 1-3 Fonts 1-8 Front Cover Removal 4-7 Fuser Assembly Removal 4-20 Fuser Exit Sensor Removal 4-20 Fuser Lamp Removal 4-20 Fuser Paper Exit Guide Removal 4-20 H Handling ESD-Sensitive Parts 4-1 HVPS Card Removal 4-56 I -1 Paper Sensor Removal 4-50 Lower (MPF) Housing Assembly...
Service Manual
Page 205
...4-8 door latches (right side) 4-24 D-roll tray 1 feed 4-35 tray 1 shaft assembly 4-36 duplex tray assembly 4-19 fuser assembly 4-20 fuser exit sensor 4-20 fuser lamp 4-20 fuser paper exit guide 4-20 guide entrance 4-32 left transfer bearing 4-33 tray damper 4-23 spring 4-23 upper MPF assembly 4-49 ...35 S Safety Information 1-xvii Safety Inspection Guide 6-1 Serial Number 1-2 Service Checks cooling fan 2-29 cover interlock switch 2-30 dead machine 2-33 fuser 2-34 cold fuser 2-35 hot fuser 2-37 LVPS power supply 2-33 main motor 2-37 operator panel 2-38 paper feed 2-41, 2-42, 2-43, 2-44, 2-45, 2-...
...4-8 door latches (right side) 4-24 D-roll tray 1 feed 4-35 tray 1 shaft assembly 4-36 duplex tray assembly 4-19 fuser assembly 4-20 fuser exit sensor 4-20 fuser lamp 4-20 fuser paper exit guide 4-20 guide entrance 4-32 left transfer bearing 4-33 tray damper 4-23 spring 4-23 upper MPF assembly 4-49 ...35 S Safety Information 1-xvii Safety Inspection Guide 6-1 Serial Number 1-2 Service Checks cooling fan 2-29 cover interlock switch 2-30 dead machine 2-33 fuser 2-34 cold fuser 2-35 hot fuser 2-37 LVPS power supply 2-33 main motor 2-37 operator panel 2-38 paper feed 2-41, 2-42, 2-43, 2-44, 2-45, 2-...