4085-001

Error

Symptom

Action

 

 

 

930

Black Printhead - P-lines shorted

Check all contacts and

 

or Substrate Heater shorted

cables. If tests fail, replace

 

Color Printheads - P-lines

the printheads. If failure

 

still occurs, replace engine

 

shorted or Substrate Heater

 

board.

 

shorted

 

 

 

Both Printheads - P-lines shorted

 

 

or Substrate Heater shorted

 

 

 

 

931

Black Printhead - Engine cannot

Check the printhead and

 

communicate with Printhead

tank contacts.Check the

 

Memory

carrier to engine cables.

 

Color Printhead - Engine cannot

Check the printhead and

 

tank memory chip

 

communicate with Printhead

 

placement.

 

Memory

 

If the problem remains,

 

Both Printheads - Engine cannot

 

replace the engine board.

 

communicate with Printhead

 

See the “Engine Board /

 

Memory

 

Cover Removal” on

 

 

 

 

page 4-14 .

 

 

 

932

Black Printhead - Contents of

Replace printheads. See

 

Printhead Memory are invalid

“Change Printheads” on

 

Color Printhead - Contents of

page 3-4 . If contents of

 

printhead memory are still

 

Printhead Memory are invalid

 

invalid, replace engine

 

Both Printheads - Contents of

 

board. See “Engine Board

 

Printhead Memory are invalid

/Cover Removal” on

 

 

page 4-14 . Check carrier

 

 

cables.

 

 

 

933

Printhead System - Failure

Check the printhead/

 

measuring a calibration resistor.

carrier contacts. Try

 

The debug data identifies the

replacing the printheads

 

resistor being measured and the

before replacing the

 

type of failure: value too low,

carrier. Check the carrier

 

value too high, or value=zero.

cable. If cable is OK,

 

 

replace carrier. See

 

 

“Carrier/Cable Retainer

 

 

Removal” on page 4-48 .

 

 

Try replacing both

 

 

printheads. If problem

 

 

remains, replace engine

 

 

board. See “Engine Board

 

 

/Cover Removal” on

 

 

page 4-14 .

 

 

 

2-6Service Manual

Page 28
Image 28
Lexmark J110, Printer manual Change Printheads on, Carrier/Cable Retainer