Canon imagePRESS C1 P Service Manual page 880

Code Cause (Detection Description)
E748 CL2 board-dependent, board error
4000 A packet timeout condition has occurred in the G-Chip loopback. 1. Disconnect and then connect 4 to 5 G-chip boards several times.
4020 An abnormal board has been detected (TBD).
4021 The /SERROR signal of PCI has been detected.
4030 An error has occurred as a result of a check on access to BARSAC. Replace the main controller PCB.
4031 BARSAC is identified as being locked.
4040 An error has occurred in the course of I2C write check.
4041 An error has occurred during access to FRAM.
4042 A DDR-SDRAM size error has occurred.
4043 A MAC address read error had occurred.
4044 An ECOROM access error has occurred.
4045 An RTC access error has occurred.
4050 An error has occurred during a check on access to the LANC
board.
4150 The battery has been identified as being exhausted (condition
resets after error output).
4160 An access error has occurred.
4170 An access error has occurred.
4180 An access error has occurred.
4190 An access error has occurred.
4220 The nature of SPD of the RAM (slot-0) is illegal, or cannot be
read.
4221 The nature of SPD of the RAM (slot-1) is illegal, or cannot be
read.
4230 An access error has occurred.
4260 A write error has occurred in the course of upgrading the Boot
ROM.
4310 A board that is older than the main4 board has been detected.
4311 RB-A board (PCB for LIPS-LX printer & scanner kit P1) cannot
be detected.
4901 A drop in 3.3 V (for emergency use) has been detected in the
course of operation.
4910 A board not compatible with the machine has been detected.
E749 Reboot instruction initiated by change in PDL configuration
0001 A change has occurred that calls for turning off and then on the
power.
E800 Error in fixing/feeding knob detection
0001 With the door closed, the fixing/feeding knob detection error
signal remains off for 500ms continuously.
E804 Error in fan
0004 Detects faults in cooling fan of controller
0011 Main power supply fan is unlocked
0016 Sub power supply fan is unlocked
0017 Optional power supply fan is unlocked
Remedy
2. Replace the G-chip board.
3. Replace the main controller PCB.
Remove the invalid PCI board.
Disconnect and then connect the PCI board. If the fault persists,
replace the PCI board or the main controller PCB.
Replace the main controller PCB.
Replace the LAN-BAR board.
1. Disconnect and connect the counter board.
2. Replace the counter board.
3. Replace the main controller PCB.
The size is not in the range of the following: 512 MB or more/1.5
GB or less.
1. Disconnect and then connect DDR.
2. Replace DDR.
3. Replace the main board.
1. Replace the LAN board.
2. Replace the main controller PCB.
1. Disconnect and then connect ECOROM.
2. Replace ECOROM.
3. Replace the main controller PCB.
1. Disconnect and then connect SRAM/RTC board.
2. Replace the SRAM/RTC board.
3. Replace the main controller PCB.
1. Replace the LAN board.
2. Replace the main controller PCB.
RTCSRAM board has a short circuit, or the battery is exhausted.
1. If the error occurs only once in the course of disconnection and
connection, leave it unattached.
2. If it occurs multiple times, replace the SRAM/RTC board.
Replace the main controller PCB.
1. Main Controller PCB(SUB LANBAR-A)
2. Replace the main controller PCB.
1. Main Controller PCB(SUB LANBAR-A)
2. Replace the main controller PCB.
Replace the main controller PCB.
1. Disconnect and connect DDR-SDRAM of the slot in question.
2. Replace DDR-SDRAM of the slot in question.
1. Disconnect and connect DDR-SDRAM of the slot in question.
2. Replace DDR-SDRAM of the slot in question.
Replace the main controller PCB.
The Boot ROM is damaged. Replace it with a service part.
Use a board more recent than the main4 board, or provide retrofit
work.
1.Check to see if the RB-A board is connected.
2.Disconnect/connect the RB-A board.
3.Replace the RB-A board.
Replace the power supply, and then replace the main controller
PCB.
Replace the main controller PCB.
Turn off and then on the main power.
Turn off the main power, and check the wiring of DC controller
PCB.
Turn off and then on the main power.
Check the connector of the main power supply fan. Replace the
fan. Replace the relay board.
Check the connector of the sub power supply fan. Replace the fan.
Replace the relay board.
Check the connector of the optional power supply fan. Replace the
fan. Replace the relay board.
Chapter 15
15-17