Canon LBP5000 Series, Service Manual

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Chapter 5
5-11
5.6 Service Mode
5.6.1 Outline
5.6.1.1 Outline
0010-7326
LBP5000 / LBP5100
The machine is equipped with service mode to enable the service person to check its condition. On a PC, enter the appropriate ID from the keyboard to add a special
menu to the Printer Status Window screen.
Starting Service Mode
1. Turn on the power so that the Printer Driver screen appears.
2. On the Drive screen, bring up the Status window [1].
3. Enter the appropriate password (*28*) from the keyboard.
4. See that service mode [2] has appeared on the Option menu of the Status Window screen.
5.6.2 Service Mode Table
5.6.2.1 Service Mode Items
0010-7636
LBP5000
T-5-5
5.6.2.2 Service Mode Items
0015-8231
LBP5100
0000 DC controller PCB ROM update failed. - Replace the DC controller PCB.
0001 During the EEPROM backup of the DC controller PCB, read/write could not be
performed on the EEPROM.
E197 An error has occurred in engine communication
An error has occurred in engine communication
- Replace the DC controller PCB.
E198 The DC controller memory is faulty.
Particulars
The DC controller has gone out of order.
Cause
The DC controller PCB is faulty.
- Replace the DC controller PCB.
E747 An EEPROM error has occurred.
Particulars
An EEPROM error has occurred.
Cause
The video controller PCB is faulty.
- Replace the video controller PCB.
E805 Fixing fan failure
0005 Particulars
The fan lock detection signal (FANLCK) is continuously High for 10 sec or more
while the fan motor2 is rotating.
Cause
The fan motor2 is faulty. The DC controller PCB is faulty. - Replace the Fixing fan.
- Replace the DC controller PCB.
E806 Cartridge fan failure
Particulars
The fan lock detection signal (FANLCK) is continuously High for 10 sec or more
while the fan motor1 is rotating.
Cause
The fan motor1 is faulty. The DC controller PCB is faulty.
- Replace the cartridge fan.
- Replace the DC controller PCB.
E808 The high-voltage circuit is faulty.
Particulars
An abnormal current is detected in the electrostatic eliminator unit.
Cause
The high-voltage power PCB is faulty. The electrostatic eliminator unit is faulty.
The DC controller PCB is faulty.
- Replace the high-voltage power PCB.
- Replace the static charge eliminator.
- Replace the DC power supply PCB.
E840 The unlocking mechanism is faulty.
Particulars
The unlocking mechanism of the fixing assembly is faulty.
Cause
The shift sensor is faulty. The shift sensor lever is damaged. The fixing drive
assembly is faulty. The fixing/delivery motor is faulty. The DC controller PCB
is faulty.
- Replace the shift sensor.
- Replace the shift sensor lever.
- Replace the fixing drive assembly.
- Replace the DC controller PCB.
Group Description Settings
Service Chart Print Service Chart Print 1
Service Chart Print Service Chart Print 2
Counter Details Use it to check the number of printed pages using respective toner
cartridges.
Service Settings Fixing Temparature Use it to set the fixing temperature. -1 to 1
Service Settings Transfer Bias Use it to set the offset value for the transfer bias. -1 to 1
configuration page print B configuration page print B
Code Description Remedial action