Xerox 7142 Service Manual - page 275
RJ-901C/RJ-900C Maintenance Manual
9 Troubleshooting
9-31
16
E 078 error
H cable
Abnormal
condition in
head cable or
head
thermistor.
1. Check connection
of head cable
connectors on CR
board assembly side
and head side.
•
Is head cable
inserted obliquely?
•
Is it locked
securely?
Reconnect head cable.
"4.6.1
Replacing
Print Head"
p.4-37
"4.10.1
Replacing CR
Board
Assembly"
p.4-64
2. Is head cable
broken?
Replace head cable.
"4.6.1
Replacing
Print Head"
p.4-37
"4.10.1
Replacing CR
Board
Assembly"
p.4-64
3. Head thermistor
may be faulty.
Replace Print head
assembly.
"4.6.1
Replacing
Print Head"
p.4-37
17
E 097 error
NVRAM
Abnormal
condition in
NVRAM.
Replace main board
assembly.
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
18
E 161 error Y
life
Carriage motor
has reached the
end of life.
1. Turn machine OFF.
Turn it ON again
and check if the
same message
appears.
If message appears:
Refer to action in check
item No. 2.
-
2. The number of
endurance running
cycles of carriage
motor has reached
the specified value.
Replace Carriage motor
"4.5.1 CR
Motor
Assembly"
p.4-30
3. Main board
assembly may be
damaged.
Replace main board
assembly.
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
Table 9-7 Symptoms and Check Items for Mechanical Serious Errors (Continued)
No.
Message
Event/
symptom
Check item
Action
Reference