9 Troubleshooting RJ-901C/RJ-900C Maintenance Manual
9-6
9.2.2 Errors with Message
This section describes the contents of errors with messages as well as the check items and recovery actions.
These messages are displayed when an abnormal condition occurs while the machine is running.
Upon an occurrence of an error with message, the machine stops its operation at the same time.
The error can be cancelled by removing the error causes. After that, the machine will restart its operation.
7. Main board
assembly may be
damaged.
Replace main board
assembly.
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
Table 9-3 Symptoms and Check Items for Errors with Message
No. Message Event/
symptom
Check item Action Reference
1Media
detection error
Media
detection failed
1. Is P_EDGE sensor
assembly cable at
head connected
correctly?
Securely connect it to
CR board assembly
connector J211.
"4.10.1
Replacing CR
Board
Assembly"
p.4-64
2. Is P_REAR sensor
under media guide
R connected
correctly?
Securely connect it to
main board assembly
connector J130, J131.
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
3. Check sensor
sensitivity from
"Sen: PaperEdge
AD" of self-
diagnosis function.
• Adjust with main
board assembly
volume (R117,
R119).
•Replace P_EDGE
sensor assembly.
"7.11.1
P_EDGE
Sensor
Sensitivity
Adjustment"
p.7-34
4. Is CR cable inserted
obliquely?
Reconnect following
connectors.
• Main board
assembly: J110 -
J114
• CR board: J201 -
J205
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
"4.10.1
Replacing CR
Board
Assembly"
p.4-64
5. CR cable may be
broken.
Replace CR cable. "4.10.3
Replacing CR
Tape Wire"
p.4-68
Table 9-2 Events and Check Items for Operation Status Messages(Continued)
No. Message Event/
symptom
Check item Action Reference
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