Xerox 7142 Service Manual

9 Troubleshooting RJ-901C/RJ-900C Maintenance Manual
9-76
2 Machine power is shut
off during printing.
1. Is power cable
shorted?
Check by a circuit tester. -
2. Is there any electric
leakage?
Check for short to chassis
ground due to damaged cable
insulation.
-
3. Check power supply
voltage (AC100V).
Replace power board
assembly.
"4.3.4
Replacing
Power Board
Assembly"
p.4-22
4. Check power supply
voltage (DC5V).
Replace power board
assembly.
"4.3.4
Replacing
Power Board
Assembly"
p.4-22
5. Check power supply
voltage (DC24V,
DC42V).
Replace power board
assembly.
"4.3.4
Replacing
Power Board
Assembly"
p.4-22
6. Power board assembly
may be defective.
Replace power board
assembly.
"4.3.4
Replacing
Power Board
Assembly"
p.4-22
3 Ink cartridge cannot be
inserted.
1. Is pointer of ink sensor
assembly deformed or
damaged?
Replace ink sensor assembly. "4.8.1
Replacing Ink
Holder (I/H)
Assembly"
p.4-55
2. Is ink NOT sensor
(black resin lever
switch) of ink sensor
assembly damaged?
Replace ink sensor assembly. "4.8.1
Replacing Ink
Holder (I/H)
Assembly"
p.4-55
Table 9-15 Symptoms, Check Items, and Actions (Continued)
No. Event/symptom Check item Action Reference

Xerox 7142 Specifications

General

Brand	Xerox
Model	7142
Category	Printer
Language	English