Printing Problems - Xerox 7142 Service Manual

9 Troubleshooting
9.3.3

Printing Problems

Table 9-11 Symptoms, Check Items and Actions for Printing Problems
No. Symptom
1 Machine cannot print
sequentially.
2 Media feed after
printing is excessive.
Check item
1. Plotter driver may be
defective.
2. Program ROM may be
defective.
3. Main board assembly
may be damaged.
1. Is P_REAR sensor
assembly judged as
normal when checked
through "Test: Sensor"
of self-diagnosis
function?
2. Program ROM may be
defective.
3. Main board assembly
may be damaged.
4. Main board assembly
may be damaged.
9-46
RJ-901C/RJ-900C Maintenance Manual
Action
Update plotter driver.
Update firmware.
Replace main board
assembly.
• Reconnect main board
assembly connector
J130, J131.
• Replace P_REAR sensor
assembly.
Update firmware.
Replace main board
assembly.
Replace main board
assembly.
Reference
"7.3.5
Firmware
Installation"
p.7-15
"7.3.5
Firmware
Installation"
p.7-15
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
"4.9.2
Replacing
P_REAR
Sensor
Assembly"
p.4-63
"7.3.5
Firmware
Installation"
p.7-15
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
"4.3.3
Replacing
Main Board
Assembly"
p.4-21