Troubleshooting Guide
Page 1
...Lexmark Web site for network printing. The printer has insufficient memory • Print the job. (Only part of the job may print.) • Delete the job. • Free up additional printer memory by any switch or breaker. • The printer is not plugged into any surge protectors, uninterrupted power supplies..., or extension cords. • Other electrical equipment plugged into the outlet is working. • The printer is turned on ....
...Lexmark Web site for network printing. The printer has insufficient memory • Print the job. (Only part of the job may print.) • Delete the job. • Free up additional printer memory by any switch or breaker. • The printer is not plugged into any surge protectors, uninterrupted power supplies..., or extension cords. • Other electrical equipment plugged into the outlet is working. • The printer is turned on ....
User's Guide
Page 103
... action on our Lexmark Web site at www.lexmark.com. Region codes are non-recoverable. Once you to problems that require your part. Troubleshooting 103 Checking an unresponsive printer If the printer is not responding, first make sure: • The power cord is plugged ... checked each of these possibilities, turn the printer off by any switch or breaker. • The printer is not plugged into any surge protectors, uninterrupted power supplies, or extension cords. • Other electrical equipment plugged into the printer and a properly grounded electrical outlet. •...
... action on our Lexmark Web site at www.lexmark.com. Region codes are non-recoverable. Once you to problems that require your part. Troubleshooting 103 Checking an unresponsive printer If the printer is not responding, first make sure: • The power cord is plugged ... checked each of these possibilities, turn the printer off by any switch or breaker. • The printer is not plugged into any surge protectors, uninterrupted power supplies, or extension cords. • Other electrical equipment plugged into the printer and a properly grounded electrical outlet. •...
Service Manual
Page 7
...cover handle holder removal 4-16 Right cover handle holder removal 4-16 Left and right frame extensions 4-17 Pass thru plate 4-18 Laser cover removal 4-19 Bevel gear removal 4-21 Cartridge duct removal 4-23 Developer drive assembly removal 4-24 Developer drive coupler kit ... cable removal 4-38 Fuser top cover removal 4-41 Fuser transfer plate removal 4-43 Gear release link removal 4-44 High voltage power supply removal 4-45 Inner paper deflector assembly removal 4-47 Input sensor removal 4-48 Integrated tray autocompensator assembly removal 4-49 Integrated tray autocompensator...
...cover handle holder removal 4-16 Right cover handle holder removal 4-16 Left and right frame extensions 4-17 Pass thru plate 4-18 Laser cover removal 4-19 Bevel gear removal 4-21 Cartridge duct removal 4-23 Developer drive assembly removal 4-24 Developer drive coupler kit ... cable removal 4-38 Fuser top cover removal 4-41 Fuser transfer plate removal 4-43 Gear release link removal 4-44 High voltage power supply removal 4-45 Inner paper deflector assembly removal 4-47 Input sensor removal 4-48 Integrated tray autocompensator assembly removal 4-49 Integrated tray autocompensator...
Service Manual
Page 8
...removal 4-80 Connector locations and connections 5-1 Connections 5-1 System board 5-1 Autoconnect 5-6 Fuser Board 5-7 High-capacity output stacker board 5-8 High voltage power supply 5-9 Interconnect card 5-9 Low voltage power supply 5-10 Output expander control board 5-11 StapleSmart finisher 5-12 Preventive maintenance 6-1 Safety inspection guide 6-1 Lubrication specifications 6-1 Scheduled maintenance 6-1 Maintenance kit ... drive 7-22 Assembly 12: Hot roll fuser 7-24 Assembly 13: Transfer/charging 7-26 Assembly 14: Electronics-power supplies 7-28 viii Service Manual
...removal 4-80 Connector locations and connections 5-1 Connections 5-1 System board 5-1 Autoconnect 5-6 Fuser Board 5-7 High-capacity output stacker board 5-8 High voltage power supply 5-9 Interconnect card 5-9 Low voltage power supply 5-10 Output expander control board 5-11 StapleSmart finisher 5-12 Preventive maintenance 6-1 Safety inspection guide 6-1 Lubrication specifications 6-1 Scheduled maintenance 6-1 Maintenance kit ... drive 7-22 Assembly 12: Hot roll fuser 7-24 Assembly 13: Transfer/charging 7-26 Assembly 14: Electronics-power supplies 7-28 viii Service Manual
Service Manual
Page 40
4061-xx0 Acronyms BLDC CRU CSU DIMM DRAM DVM EDO EEPROM EP EPROM ESD FRU GB HCIT HVPS ITC LASER LCD LED LVPS MPF MROM MS NVRAM OEM OPT PC pel POR POST PP PWM RIP ROM SDRAM SIMM SRAM UAT UPR V ac V dc... Read-Only Memory Electrostatic Discharge Field Replaceable Unit Gigabyte High-capacity Input Tray High Voltage Power Supply Internal Tray Card Light Amplification by Stimulated Emission of Radiation Liquid Crystal Display Light-Emitting Diode Low Voltage Power Supply Multipurpose feeder Masked Read Only Memory Microswitch Nonvolatile Random Access Memory Original Equipment Manufacturer Optical ...
4061-xx0 Acronyms BLDC CRU CSU DIMM DRAM DVM EDO EEPROM EP EPROM ESD FRU GB HCIT HVPS ITC LASER LCD LED LVPS MPF MROM MS NVRAM OEM OPT PC pel POR POST PP PWM RIP ROM SDRAM SIMM SRAM UAT UPR V ac V dc... Read-Only Memory Electrostatic Discharge Field Replaceable Unit Gigabyte High-capacity Input Tray High Voltage Power Supply Internal Tray Card Light Amplification by Stimulated Emission of Radiation Liquid Crystal Display Light-Emitting Diode Low Voltage Power Supply Multipurpose feeder Masked Read Only Memory Microswitch Nonvolatile Random Access Memory Original Equipment Manufacturer Optical ...
Service Manual
Page 66
... over temperature detection. Motor is type 1. Motor is installed correctly. See "System board and inner shield removal" on page 4-54. See "Low voltage power supply removal" on page 4-76. Replace the system board. Motor is type 0. • Faulty motor sensor • Faulty system board 937 .51 937 ...code. Go to make sure the correct LVPS assembly has been installed. POR the printer several times, if the error code continues to "Main drive service check" on page 2-105. If the correct supply is installed, check to "Main drive service check" on page 4-76. See ...
... over temperature detection. Motor is type 1. Motor is installed correctly. See "System board and inner shield removal" on page 4-54. See "Low voltage power supply removal" on page 4-76. Replace the system board. Motor is type 0. • Faulty motor sensor • Faulty system board 937 .51 937 ...code. Go to make sure the correct LVPS assembly has been installed. POR the printer several times, if the error code continues to "Main drive service check" on page 2-105. If the correct supply is installed, check to "Main drive service check" on page 4-76. See ...
Service Manual
Page 121
...Replace the faulty part. See "Low voltage power supply removal" on the LVPS. If continuity is incorrect, replace the LVPS assembly. If test point does not measure +5 V dc, go to the system board. Unplug the AC line cord from the printer, and check the continuity of fuse F1. ... test point on the system board observe all ESD precautions when handling these options. See "Low voltage power supply removal" on page 4-54 Warning: Observe all the ESD precautions and turn the printer off and disconnect each cable connected to step 6. Warning: When removing any feature or option cards are...
...Replace the faulty part. See "Low voltage power supply removal" on the LVPS. If continuity is incorrect, replace the LVPS assembly. If test point does not measure +5 V dc, go to the system board. Unplug the AC line cord from the printer, and check the continuity of fuse F1. ... test point on the system board observe all ESD precautions when handling these options. See "Low voltage power supply removal" on page 4-54 Warning: Observe all the ESD precautions and turn the printer off and disconnect each cable connected to step 6. Warning: When removing any feature or option cards are...
Service Manual
Page 127
... the two pins on the fuser lamp AC cable connector: • If there is no continuity, check the continuity of the printer. If incorrect, replace the LVPS assembly (see "Low voltage power supply removal" on do the following: • If not previously removed, remove the redrive assembly. Some 920.xx error codes may...
... the two pins on the fuser lamp AC cable connector: • If there is no continuity, check the continuity of the printer. If incorrect, replace the LVPS assembly (see "Low voltage power supply removal" on do the following: • If not previously removed, remove the redrive assembly. Some 920.xx error codes may...
Service Manual
Page 128
... correctly check the cable for AC power, observe all safety precautions. See "Low voltage power supply removal" on page 4-54. 2-88 Service Manual See "Fuser assembly removal" on page 4-76. • LVPS. If the voltage is not seated or installed properly, reseat the cable and retry the printer. Check to make sure that the...
... correctly check the cable for AC power, observe all safety precautions. See "Low voltage power supply removal" on page 4-54. 2-88 Service Manual See "Fuser assembly removal" on page 4-76. • LVPS. If the voltage is not seated or installed properly, reseat the cable and retry the printer. Check to make sure that the...
Service Manual
Page 129
... pins on the fuser end of damage. If the voltage is correct, unplug the AC power cord from the printer and pull the LVPS out far enough to access CN1 on the LVPS board (see "Low voltage power supply removal" on page 4-54); If no problem is found , check the fuser to system..." on page 4-54). Check the AC line voltage to fuser AC cable; if incorrect, replace the LVPS assembly. Unplug the printer before starting this service check. See "Low voltage power supply removal" on the LVPS board. If no problem is found , check the fuser to system board cable for correct installation at ...
... pins on the fuser end of damage. If the voltage is correct, unplug the AC power cord from the printer and pull the LVPS out far enough to access CN1 on the LVPS board (see "Low voltage power supply removal" on page 4-54); If no problem is found , check the fuser to system..." on page 4-54). Check the AC line voltage to fuser AC cable; if incorrect, replace the LVPS assembly. Unplug the printer before starting this service check. See "Low voltage power supply removal" on the LVPS board. If no problem is found , check the fuser to system board cable for correct installation at ...
Service Manual
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... removal" on page 4-34. See "Low voltage power supply removal" on the thermistor cable. FRU 1 Fuser assembly 2 Fuser top cover assembly (thermistor) 3 System board Fuser top cover assembly Action Check for any signs of overheating in the order shown: • Fuser assembly. Turn the printer off and disconnect the fuser to system board...
... removal" on page 4-34. See "Low voltage power supply removal" on the thermistor cable. FRU 1 Fuser assembly 2 Fuser top cover assembly (thermistor) 3 System board Fuser top cover assembly Action Check for any signs of overheating in the order shown: • Fuser assembly. Turn the printer off and disconnect the fuser to system board...
Service Manual
Page 263
... you begin, or use caution if the printer must receive power in the area of the printer where you are working. See "Right cover removal" on page 4-47. 2. Remove the inner paper deflector. Disconnect the transfer roll cable (B) from the HVPS board. 4061-xx0 High voltage power supply removal CAUTION: There is a danger from hazardous...
... you begin, or use caution if the printer must receive power in the area of the printer where you are working. See "Right cover removal" on page 4-47. 2. Remove the inner paper deflector. Disconnect the transfer roll cable (B) from the HVPS board. 4061-xx0 High voltage power supply removal CAUTION: There is a danger from hazardous...
Service Manual
Page 272
4061-xx0 Low voltage power supply removal CAUTION: Unplug the printer before you begin. 1. The cable is difficult to system board cable. Remove the right side cover. Remove the LVPS mounting screws (A) from the rear of the center pan. 5. See "Redrive assembly removal" on page 4-18. 4. See "Pass thru plate" on page 4-74. 2. Disconnect the LVPS to disconnect. Remove the redrive assembly. See "Right cover removal" on the LVPS card connector (C). 4-54 Service Manual There are catches (B) that firmly hold latches on page 4-8. 3. Remove the pass thru plate.
4061-xx0 Low voltage power supply removal CAUTION: Unplug the printer before you begin. 1. The cable is difficult to system board cable. Remove the right side cover. Remove the LVPS mounting screws (A) from the rear of the center pan. 5. See "Redrive assembly removal" on page 4-18. 4. See "Pass thru plate" on page 4-74. 2. Disconnect the LVPS to disconnect. Remove the redrive assembly. See "Right cover removal" on the LVPS card connector (C). 4-54 Service Manual There are catches (B) that firmly hold latches on page 4-8. 3. Remove the pass thru plate.
Service Manual
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4061-xx0 6. Do not use excessive force in the removal. 7. Pull the LVPS assembly far enough out from the right side of the printer to disconnect the fuser to remove from the printer. Remove the low voltage power supply. Repair information 4-55 Warning: The LVPS assembly may be difficult to LVPS AC lamp cable (D).
4061-xx0 6. Do not use excessive force in the removal. 7. Pull the LVPS assembly far enough out from the right side of the printer to disconnect the fuser to remove from the printer. Remove the low voltage power supply. Repair information 4-55 Warning: The LVPS assembly may be difficult to LVPS AC lamp cable (D).
Service Manual
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High voltage power supply Connector CN1 System board 7 Interconnect card Connector -& &KJ -& -& 3&' -& -& 'HY -& -& 7$5 -& -& 'U % -& 4061-xx0 &1 CN no. 1 2 3 4 5 6 7 8 Signal Developer PWM +24 V dc Return Charge PWM +24 V dc IN TX PWM TX Enable TX CUR PWM SVRO OUT Connector J1 J2 Pin no. 1 1 Signal Connector locations and connections 5-9
High voltage power supply Connector CN1 System board 7 Interconnect card Connector -& &KJ -& -& 3&' -& -& 'HY -& -& 7$5 -& -& 'U % -& 4061-xx0 &1 CN no. 1 2 3 4 5 6 7 8 Signal Developer PWM +24 V dc Return Charge PWM +24 V dc IN TX PWM TX Enable TX CUR PWM SVRO OUT Connector J1 J2 Pin no. 1 1 Signal Connector locations and connections 5-9
Service Manual
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4061-xx0 Low voltage power supply Connector CN1 Fuser lamp AC &1 &1 CN2 DC output CN pin no. 1 2 3 Signal AC fuser lamp Not used AC fuser lamp 1 +5 V dc 2 +5 V dc 3 Ground 4 Ground 5 Ground 6 Ground 7 +24 V dc 8 +24 V dc 9 Heat on 10 +5 V dc 11 +5 V dc 12 Ground 13 Ground 14 Ground 15 Ground 16 +24 V dc 17 ZC Out* 18 +42 V dc 5-10 Service Manual
4061-xx0 Low voltage power supply Connector CN1 Fuser lamp AC &1 &1 CN2 DC output CN pin no. 1 2 3 Signal AC fuser lamp Not used AC fuser lamp 1 +5 V dc 2 +5 V dc 3 Ground 4 Ground 5 Ground 6 Ground 7 +24 V dc 8 +24 V dc 9 Heat on 10 +5 V dc 11 +5 V dc 12 Ground 13 Ground 14 Ground 15 Ground 16 +24 V dc 17 ZC Out* 18 +42 V dc 5-10 Service Manual
Service Manual
Page 313
If any non-Lexmark attachments. It is to replace the fuser assembly, transfer roller, charge roll, and pick tires at each 300K page count interval. The parts are available ..., missing, or altered parts, especially in the area of the on page 3-25. Preventive maintenance 6-1 Safety inspection guide The purpose of the printer. See "Maintenance page count (Maint Cnt Value)" on /off switch and the power supply. • Damaged, missing, or altered covers, especially in identifying unsafe conditions. Lubrication specifications No requirements for...
If any non-Lexmark attachments. It is to replace the fuser assembly, transfer roller, charge roll, and pick tires at each 300K page count interval. The parts are available ..., missing, or altered parts, especially in the area of the on page 3-25. Preventive maintenance 6-1 Safety inspection guide The purpose of the printer. See "Maintenance page count (Maint Cnt Value)" on /off switch and the power supply. • Damaged, missing, or altered covers, especially in identifying unsafe conditions. Lubrication specifications No requirements for...
Service Manual
Page 405
... Emulation 3-27 Prt Quality Pgs 3-26 Reset Maint Cnt 3-26 SIZE SENSING 3-27 configurations, models 1-2 connector locations autoconnect - top 5-6 high voltage power supply (HVPS) 5-9 high-capacity output stacker board 5-8 interconnect card 5-9 low voltage power supply (LVPS) 5-10 output expander 5-11 StapleSmart finisher 5-12 system board 5-1 cover closed switch 2-80 covers parts catalog 7-2 removals 4-4 Index I-1
... Emulation 3-27 Prt Quality Pgs 3-26 Reset Maint Cnt 3-26 SIZE SENSING 3-27 configurations, models 1-2 connector locations autoconnect - top 5-6 high voltage power supply (HVPS) 5-9 high-capacity output stacker board 5-8 interconnect card 5-9 low voltage power supply (LVPS) 5-10 output expander 5-11 StapleSmart finisher 5-12 system board 5-1 cover closed switch 2-80 covers parts catalog 7-2 removals 4-4 Index I-1
Service Manual
Page 407
... release link removal 4-44 guidelines for media 1-15 H handle left cover 4-16, 7-5 right cover 4-16, 7-5 held jobs confidential jobs 8-14 entering a PIN 8-14 high voltage power supply (HVPS) connectors 5-9 parts catalog 7-28 removal 4-45 4061-xx0 Index I-3
... release link removal 4-44 guidelines for media 1-15 H handle left cover 4-16, 7-5 right cover 4-16, 7-5 held jobs confidential jobs 8-14 entering a PIN 8-14 high voltage power supply (HVPS) connectors 5-9 parts catalog 7-28 removal 4-45 4061-xx0 Index I-3