Canon Color imageRUNNER C4580, Service Manual

Page: 643 / 851

4901 When 3.3 V emergency night-time
power OFF was detected during
operation
Replace the controller power supply PCB. Replace the main controller PCB
(main).
E749 Instruction to restart accompanying change in product configuration
0001 When the existing BootROM has
been replaced with the BootROM
of a different kind (when a PDL
option was installed, etc.)
Reset by turning the main power OFF and back ON.
1001 Error where SDRAM memory as
high as 1 GB remains although the
controller board version is an old
one
Check the combination of the main controller PCB and SDRAM.
E751 Drum Unit / Faulty Connection of the Toner Receptacle
See below
X: reading=1, writing=2
x indicates color [Y=1, M=2, C=3, K=4]
00Xx Trouble in the drum unit
connections (trouble at the printer
side)
Check the drum unit connections or replace the unit.
10Xx Trouble in the toner cartridge
connections (trouble at the printer
side)
Check the toner cartridge connections or replace the cartridge.
01Xx Write error in the memory inside
the drum unit
Check the drum unit connections or replace the unit.
11Xx Write error in the memory inside
the toner cartridge
Check the toner cartridge connections or replace the cartridge.
02Xx Data error in the memory inside the
drum unit
Check the drum unit connections or replace the unit.
12Xx Data error in the memory inside the
toner cartridge
Check the toner cartridge connections or replace the cartridge.
03Xx Write error in the memory inside
the drum unit (when the number of
retries has exceeded the rating)
Check the drum unit connections or replace the unit.
13Xx Write error in the memory inside
the toner cartridge (when the
number of retries has exceeded the
rating)
Check the toner cartridge connections or replace the cartridge.
E804 Controller fan error
0000
When a shutdown of the power
supply fan has been detected Check the power supply fan connections or replace the fan.
0004 When a shutdown of the controller
fan has been detected
Check the controller fan connections or replace the fan.
E805 Fan error
0001 When a shutdown of the fixing heat
exhaust fan has been detected
Check the fixing heat exhaust fan connections or replace the fan.
0002 When a shutdown of the cleaner fan
has been detected
Check the cleaner fan connections or replace the fan.
0003 When a shutdown of the IH power
supply fan has been detected
Check the IH power supply fan connections or replace the fan.
Displayed
code Detection timing Remedial action