Canon imageRUNNER ADVANCE C350 series Service Manual page 743

Error Detail
Location Item
code Code
E808 0001 05 Title Zero cross signal detection error
Detection An electrical trouble caused by zero cross signal error.
description Frequency between 43 Hz and 57 Hz could not be detected for
5000 msec or longer.
Remedy [Related parts]
- Harness between the Low-voltage Power Supply PCB
(UN01/J322) and the DC Controller PCB (UN04/J22) (Unit of
replacement: CABLE, POWER SUPPLY)
- Low-voltage Power Supply PCB (UN01) (Unit of replacement:
POWER SUPPLY ASSEMBLY)
- DC Controller PCB (UN04) (Unit of replacement: DC
CONTROLLER PCB ASSEMBLY)
[Points to note at work] When checking the harness/cable or
connector, perform the following work.
1. Disconnect and then connect the connector to check that
there is no bent pin and cable disconnection.
2. Visually check that the harness is not caught or open circuit.
3. If there is any error, replace the corresponding harness/cable.
[Remedy] Check/replace the related parts.
[Reference] Before replacing the DC Controller PCB, back up
the service mode data (approx. 2 min) and restore the backup
data after the replacement so the data may be able to be
protected.
- Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM>
DSRAMBUP
- Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM>
DSRAMRES
7
Error•Jam•Alarm > Error Code > Error Code Details
Description
7 Error•Jam•Alarm > Error Code > Error Code Details
Error Detail
Location Item
code Code
E880 0001 00 Title Controller Cooling Fan error
Detection It was detected that the Controller Cooling Fan was locked.
description
Remedy [Related parts]
- Main Controller Cooling Fan (UN81/J15) (Unit of replacement:
MAIN CONTROLLER PCB ASSEMBLY)
- Main Controller PCB (UN81) (Unit of replacement: MAIN
CONTROLLER PCB ASSEMBLY)
[Points to note at work] When checking the harness/cable or
connector, perform the following work.
1. Disconnect and then connect the connector to check that
there is no bent pin and cable disconnection.
2. Visually check that the harness is not caught or open circuit.
3. If there is any error, replace the corresponding harness/cable.
[Remedy] Check/replace the related parts.
7-129
Description
7-129