8

Printhead

Self adjust was not

Check the printhead

 

Connection Alarm

successful. Head gap is

connection. Then

 

(2)

too small or too narrow.

replace the main control

 

 

 

board the carriage cable

 

 

 

and the printhead.

 

 

 

 

9

Line Feed / Space

High driver temperature.

Replace the following:

 

Motor Driver Alarm

The TSD signal has not

main control board line

 

 

changed.

feed motor and space

 

 

 

motor.

 

 

 

 

10

MPU Internal RAM

Read/write error

Replace the main control

 

Alarm

 

board.

 

 

 

 

11

Program ROM

Check sum error

Replace the main control

 

Alarm

 

board and/or ROM.

 

 

 

 

12

RAM on Main

Read/write error

Replace the main control

 

Control Board

 

board.

 

 

 

 

13

CG ROM Alarm

Check sum error

Replace the main control

 

 

 

board.

 

 

 

 

CAUTION:

Always check that all connectors on the printer are making good contact.

Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

Page 188
Image 188
Oki ML520, ML521 manual