Xerox 7142, Service Manual

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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