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Troubleshooting
CL-S6621 4-12
Symptoms Checks Remedies
Paper near end alarm
does not occur for roll
paper.
1. Are the following Paper Near End
menus set correct in the Menu
Settings?
Paper Near End Status: ON
Paper Near End Alarm: ON (by default,
this is set to OFF)
2. Is the connector of “SA PNE Sensor”
firmly connected to the “SA, Main PCB”
(J12)?
3. Failure in the PNE Sensor circuit or
cable.
4. Failure in the control circuit.
1. Set the Paper Near End menus
correctly.
2. Connect it firmly.
3. Replace the “SA PNE Sensor”.
4. Replace the “SA, Main PCB”.
4-2-6. Operation Panel Problems
Symptoms Checks Remedies
Nothing is displayed
on the LED.
1. Is the “Cable, Opepane” (flexible cable)
connected between the “SA, Main PCB”
(J4) and the “SA, Opepane PCB”
firmly?
2. Is the “Cable, Opepane” (flexible cable)
inserted in a wrong direction?
3. Failure in the “SA, Opepane PCB”.
4. Failure in the control circuit.
1. Connect it firmly.
2. Insert it in the correct direction.
3. Replace the “SA, Opepane PCB”.
4. Replace the “SA, Main PCB”.
No key works.
1. Is the “Cable, Opepane” (flexible cable)
connected between the “SA, Main PCB”
(J4) and the “SA, Opepane PCB”
(CN301) firmly?
2. Is the “Cable, Opepane” (flexible cable)
inserted in a wrong direction?
3. Failure in the “SA, Opepane PCB”.
4. Failure in the control circuit.
1. Connect it firmly.
2. Insert it in the correct direction.
3. Replace the “SA, Opepane PCB”.
4. Replace the “SA, Main PCB”.