Xerox 7142 Service Manual page 294

9 Troubleshooting
Table 9-11 Symptoms, Check Items and Actions for Printing Problems(Continued)
No. Symptom
5
6
Check item
8. Does ink tube have
bend, scratch, or leak?
9. Are the following self-
diagnosis functions
detected as normal
when checked with
specified cartridge
securely inserted?
• Detection of presence
of ink from "Sen: Ink
NOT"
• Detection of presence
of cartridge from ""Ink
Not"
10. Is ink tube in ink
system assembly bent?
11. Does pump motor
rotate during cleaning
operation?
12. When cleaning
operation is
performed, does
transmission gear
rotate properly?
9-50
RJ-901C/RJ-900C Maintenance Manual
Action
• Replace damaged ink
tube and check if
cleaning operation
causes ink inflow after
each replacement.
• If ink inflow is
confirmed, execute
initial ink charge.
• Follow the steps for the
message "[K1K2CMY]
No Cartridge".
• After adjustment/
replacement, execute
initial ink charge from
"Adj: Input Rank" of
self-diagnosis function.
• Replace ink system
assembly and check if
cleaning operation
causes ink inflow.
• If ink inflow is
confirmed, execute
initial ink charge.
• Reconnect main board
assembly connector
J102, J103.
• Replace Pump motor
assembly.
• Replace main board
assembly.
Replace maintenance base
assembly.
Reference
"4.10.2
Replacing Ink
Tube" p.4-65
"5.5.2
Head Rank
Input Menu"
p.5-25
"4.7.2
Replacing
Pump Cap
Assembly"
p.4-52
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
"4.7.1
Removing
Maintenance
Base
Assembly"
p.4-47
"4.7.1
Removing
Maintenance
Base
Assembly"
p.4-47