Xerox 7142, Service Manual

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RJ-901C/RJ-900C Maintenance Manual 9 Troubleshooting
9-67
5 Abnormal noise is
heard during media cut. 1. Is cutter cap on upper
side of cutter set
securely?
Remount cutter cap. "4.6.2
Replacing
Cutter Holder
Assembly"
p.4-41
2. Does cutter move up
and down smoothly?
• Remount cutter spring.
• Remove foreign objects,
if any.
"4.6.2
Replacing
Cutter Holder
Assembly"
p.4-41
3. Are there any foreign
objects attached on
cutter groove and
surface of media guide
L?
Remove foreign objects. -
4. Are media guide L
cutter groove and
cutter blade parallel?
Perform adjustment. "7.9 Cutter
Holder Height
Adjustment"
p.7-29
5. Cutter may be
defective.
Replace cutter. "4.6.2
Replacing
Cutter Holder
Assembly"
p.4-41
6. CR board assembly
may be defective.
Replace CR board assembly. "4.10.1
Replacing CR
Board
Assembly"
p.4-64
7. CR cable may be
damaged.
Replace CR cable. "4.10.3
Replacing CR
Tape Wire"
p.4-68
8. Power board assembly
may be defective.
Replace power board
assembly. "4.3.4
Replacing
Power Board
Assembly"
p.4-22
Table 9-12 Symptoms, Check Items, and Actions for Noise Problems(Continued)
No. Symptom Check item Action Reference