Oki MC770 series Maintenance Manual - page 158

45376001TH  Rev.1 

157 /

Oki  Data  CONFIDENTIAL

7. Troubleshooting and repair procedure

Error code

Cause

Error details

Remedial measure

C5A3

Tray3 Software Error

Change the Tray3 

Board

C5A4

Tray2 Software Error

Change the Tray2 

Board

C5A5

Software Error

Change the PU 

Board

C5A6

Tray4 Software Error

Change the Tray4 

Board

C5B0

Duplex Clock Adjust Error

Change the Duplex 

C9A0

Offline stapler error

Change the offline 

stapler

E01A

Occur  jam and Paper on the  

Transport Path

Take out the 

jammed paper.

Change the sensor 

Lever.

C h a n g e   t h e   P U 

board.

E01B

Occur jam around Fuser Unit

Take out the 

jammed paper.

Change the sensor 

Lever.

C h a n g e   t h e   P U 

board.

E02A

Occur jam and Paper on the 

Exit Path

Take out the 

jammed paper.

Change the sensor 

Lever.

C h a n g e   t h e   P U 

board.

E061

E062

E063

E064

E065

Tray1 check paper size error 

Tray2 check paper size error 

Tray3 check paper size error 

Tray4 check paper size error 

MP Tray check paper size error 

Change the paper 

size or change the 

paper in Tray.

E130

Occur jam with the Tray1

Take out the 

jammed paper.

Change the sensor 

Lever.

Change the Tray1 

board.

Error code

Cause

Error details

Remedial measure

E13A

Tray1 paper remaining

Take out the 

jammed paper.

Change the sensor 

Lever.

C h a n g e   t h e   P U 

board.

E140

Occur jam with the Tray2

Take out the 

jammed paper.

Change the sensor 

Lever.

Change the Tray2 

board.

E14A

Occur jam and Paper on the 

Tray2

Take out the 

jammed paper.

Change the sensor 

Lever.

Change the Tray2 

board.

E150

Occur jam with the Tray3

Take out the 

jammed paper.

Change the sensor 

Lever.

Change the Tray3 

board.

E15A

Occur jam and Paper on the 

Tray3

Take out the 

jammed paper.

Change the sensor 

Lever.

Change the Tray3 

board.

E160

Occur jam with the Tray4

Take out the 

jammed paper.

Change the sensor 

Lever.

Change the Tray4 

board.

E16A

Occur jam and Paper on the 

Tray3

Take out the 

jammed paper.

Change the sensor 

Lever.

Change the Tray4 

board.

E202

Paper feed jam

Take out the 

jammed paper.

Change the sensor 

Lever.

C h a n g e   t h e   P U 

board.