Xerox 7142 Service Manual

9 Troubleshooting RJ-901C/RJ-900C Maintenance Manual
9-26
4 E071 error
X overcurrent
Overload
condition in PF
motor (X-axis)
during plotter
operation.
1. Check error history
from "Test: Elec."
of self-diagnosis
function.
2. Set the number of
endurance running
cycles to 50 or more
from "Life: PF
motor" of self-
diagnosis function,
and check if "X
motor error" occurs.
3. Check "Encoder:
PF" from "Test:
Encoder" of self-
diagnosis function.
4. Check if Main
Power Board
normally supplies
DC24V.
5. PF motor assembly
may be defective.
6. Main board
assembly may be
defective.
-
Check connection of
following main board
assembly connectors.
•PF motor cable
assembly
connector: J107
• PF_ENC assembly
connector: J129
• If NG, check
connection of main
board assembly
connector: J129.
• Replace PF motor
assembly.
• Replace main board
assembly.
"5.4.7
History
Menu" p.5-17
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
"4.4.1
Replacing PF
Motor
Assembly"
p.4-26
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
5 E079 error
X2 overcurrent
Table 9-7 Symptoms and Check Items for Mechanical Serious Errors (Continued)
No. Message Event/
symptom
Check item Action Reference

Xerox 7142 Specifications

General

Brand	Xerox
Model	7142
Category	Printer
Language	English