Xerox 7142 Service Manual page 302

9 Troubleshooting
Table 9-11 Symptoms, Check Items and Actions for Printing Problems(Continued)
No. Symptom
13
14
15
Check item
7. Check if TF_ENC
assembly and T fence
contact with each
other.
8. Check cleaning wiper
condition.
9. Is nozzle face wiped/
rubbed correctly?
10. Is registered head
voltage different from
actual head voltage?
9-58
RJ-901C/RJ-900C Maintenance Manual
Action
• If they contact with each
other, adjust TF_ENC
assembly and T fence
positions.
• If problem remains even
after position
adjustment, replace CR
board assembly and T
fence.
• Wipe cleaning wiper
surface with accessory
cleaning wiper cleaning
cloth dampened with
small amount of purified
water. After wiping
cleaning wiper, perform
cleaning twice
consecutively.
• If cleaning wiper is
sticky with ink, replace it
with a new one.
Check wiper installation
condition and secure it
correctly.
Enter correct head voltage.
Reference
"4.10.1
Replacing CR
Board
Assembly"
p.4-64
"4.5.4
Replacing T
Fence" p.4-33
Operation
Manual
"4.7.3
Replacing
Cleaner Head
(Cleaning
Wiper)" p.4-53
"4.7.3
Replacing
Cleaner Head
(Cleaning
Wiper)" p.4-53
"5.5.2
Head Rank
Input Menu"
p.5-25