Error code 31

Print Unable 31

Turn the power off and then back on again.

Density sensor failure

Error code 32

Print Unable 32

Turn the power off and then back on again.

Density sensor shutter performance malfunction

User Check

-Check if there is a scratch, dirt or the like on the belt unit. If there is, replace the belt unit with a new one.

Step

Cause

Remedy

 

 

 

1

Harness connection failure of

Check the harness connection between the

 

density sensor holder ASSY

density sensor holder ASSY and registration relay

 

 

PCB, and the one between the registration relay

 

 

PCB and engine PCB. Then, reconnect them.

2

Harness connection failure of

Check the harness connection between the engine

 

density sensor solenoid

PCB and registration relay PCB and reconnect

 

ASSY

them.

3

Density sensor holder ASSY

Replace the density sensor holder ASSY.

 

failure

 

4

Transfer HVPS PCB unit

Replace the transfer HVPS PCB unit.

 

failure

 

5

Engine PCB failure

Replace the engine PCB ASSY.

Error code 33

Print Unable 33

Turn the power off and then back on again.

Color registration sensor failure

User Check

-Check if there is a scratch, dirt or the like on the belt unit. If there is, replace the belt unit with a new one.

Step

Cause

Remedy

 

 

 

1

Harness connection failure of

Check the harness connection of the registration-

 

registration-mark sensor PCB

mark sensor PCB ASSY and reconnect it.

 

ASSY

 

2

Registration-mark sensor

Check the performance of the registration-mark

 

PCB failure

sensor following the procedure described in

 

 

“Maintenance mode 75”. If any problem occurs,

 

 

replace the registration-mark sensor PCB ASSY.

3

Transfer HVPS PCB unit

Replace the transfer HVPS PCB unit.

 

failure

 

4

Engine PCB failure

Replace the engine PCB ASSY.

 

 

 

1-12

Confidential