Xerox 7142 Service Manual - page 257

RJ-901C/RJ-900C 　 Maintenance Manual

9 Troubleshooting

9-13

7

Insert specified 

cartridge

Specified ink 

cartridge is not 

installed.

1. Check if the same 

message appear if 

turning machine 

OFF and turn it ON 

again.

If the message appears: 

Refer to the action in 

check item No. 2.

-

2. Check if specified 

ink cartridge is 

used.

Replace ink cartridge 

with specified one. 

Operation 

Manual

3. Check if ink 

cartridge status 

detection operates 

normally from "Ink 

Not" of self-

diagnosis function.

If detection does not 

operate normally, 

replace following parts.

•

Ink sensor assembly

•

Main board 

assembly

•

Ink ID sensor 

assembly

"4.8.1 

Replacing 

Ink Holder (I/

H) 

Assembly" 

p.4-55

"4.3.3 

Replacing 

Main Board 

Assembly" 

p.4-21

4. Check contact of 

ink ID sensor 

assembly 

connector.

- Reconnect following 

main board assembly 

connectors.

•

J117(K1)

•

J118(K2)

•

J119(C)

•

J123(M)

•

J124(Y)

If no change occurs, 

proceed to step (5).

"4.3.3 

Replacing 

Main Board 

Assembly" 

p.4-21

Table 9-3  Symptoms and Check Items for Errors with Message(Continued)

No.

Message

Event/

symptom

Check item

Action

Reference