Description: CIS LED lighting failure
<When DF-701 is installed> At the CIS gain adjustment, the machine detected that the output of the CIS LED is lower than the specified value.
Remedy: 1 Correct the harness connection between CIS and DSIPB if faulty. 2 Correct the harness connection between CIS and CISPU if faulty. 3 Replace CIS. 4 CISPU F1, F2 conduction check. 5 Replace CISPU. 6 Replace DSIPB. 7 Replace MFPB.
Code: C9404
Description: CIS LED lighting abnormally
<When DF-701 is installed> After a scan job is completed, the machine detected that the average output of the CIS LED is greater than the specified value.
Remedy: 1 Correct the harness connection between CIS and DSIPB if faulty. 2 Correct the harness connection between CIS and CISPU if faulty. 3 Replace CIS. 4 CISPU F1, F2 conduction check. 5 Replace CISPU. 6 Replace DSIPB. 7 Replace MFPB.
Code: CA051
Description: Standard controller configuration failure
The controller of the MFP board (MFPB) is faulty.
Remedy:
Code: CA052
Description: Controller hardware error
A controller hardware error is detected in the network interface.
Remedy: 1 Check to see if the following setting has been correctly made: [Service Mode] - [System 2] - [Image Controller Setting]. If changing the setting, turn OFF the main power switch and turn it ON again after 10 seconds or more. 2 Check the connectors of the MFPB for proper connection and correct as necessary. 3 Replace MFPB.
Code: CA053
Description: Controller start failure
A controller start failure is detected in the controller interface.
Remedy: 1 Check to see if the following setting has been correctly made: [Service Mode] - [System 2] - [Image Controller Setting]. If changing the setting, turn OFF the main power switch and turn it ON again after 10 seconds or more. 2 Check the connectors of the MFPB for proper connection and correct as necessary. 3 Replace MFPB.