Error Code - Canon 3370 Series Service Manual

Error code

E747
E805
5.3.2 Error Code
LBP3370
Code
E000 Fixing fault
0000 Condition
The temperature of the fixing unit does not reach the targeted temperature
-10 deg C within 63 sec. after the wait sequence is started.
Cause
The fixing film unit is faulty. The engine controller PCB is faulty.
E001 Fixing error high temperature
0000 Condition
The fixing unit temperature is monitored every 5 msec., and the
temperature exceeds 220 deg C for 30 times continuously.
Cause
The main thermistor is faulty. The engine controller PCB is faulty.
E003 Fixing low temperature
0000 Condition
The temperature of the thermistor is detected every 5 msec. during the
control and it shows under 20 deg C for 100 times continuously after the
temperature of the fixing unit exceeds 50 deg C at least once.
Cause
The main thermistor is faulty. The engine controller PCB is faulty. The
connector is in poor contact. The harness is faulty.
E004 Fixing assembly drive assembly circuit error
0000 Condition
Zero cross signal cannot be detected for specified time or longer.
Cause
Fixing control circuit assembly is faulty.
E014 Main motor error
0000 Condition
A motor ready state does not start 4 msec or more after the motor has been
started.
Cause
The drum motor is faulty. The engine controller PCB is faulty.
E06F EEPROM errer
0068 EEROM errer
Cause
The video controller PCB is faulty.
(EEPROM errer)
E100 BD error
Cause
The laser scanner unit is faulty. The engine controller PCB is faulty.
0000 BD error
During constant speed rotation, the cycle of the BD signal deviates for 2
sec or more from a specific cycle.
E602 It fails in the download of the firmware.
0002 Downloading of the controller firmware ends in failure.
E604 Error in lacking of memory capacity
0000 Lack of memory capacity
E733 Printer-related communication error
0000 At a time other than power-on, an error has occurred in the
communication between engine controller and video controller (caused by
the engine controller).
0004 Undefined command error
E744 Illegal ID code during controller firmware download
1000 It is detected that the USB product ID sent at downloading of the
controller firmware and the product ID of bootrom written in ROM do not
match.
E760 Error in software program for video controller
Major cause/detection
There is a fault in the video controller memory.
The fan has a fault.
Description
Remedy
- Replace the video controller PCB.
- Replace the fan.
- Replace the engine controller PCB.
T-5-3
- Replace the fixing film unit.
- Replace the engine controller PCB.
- Replace the fixing film unit.
- Replace the engine controller PCB.
- Replace the fixing film unit.
- Replace the engine controller PCB.
- Replace the engine controller PCB.
- Replace the main motor.
- Replace the engine controller PCB.
- Replace the video controller PCB
- Replace the laser scanner unit.
- Replace the engine controller PCB.
- Download the controller firmware again.
- Replace the video controller board by new one.
- Remove and insert the expanded memory
- Replace the expanded memory to the correct one
- Replace the video controller PCB
- Turn off and then back on the power.
- Replace the engine controller board.
- Download the controller firmware again.
- Replace the video controller board by new one.
Remedial action
Chapter 5
0018-3194
5-3