Canon LBP1760P Service Manual page 192

CHAPTER 4
2. Defective delivery paper full sensor
Action: Replace the sensor.
3. Defective engine controller PCB
Action: Replace the engine controller PCB.
M-24. "LOAD <SIZE> IN CASSETTE 1" message appears when the specified sized paper is
in the cassette
<Possible causes>
1. Damaged paper detection lever
Action: Replace the lever.
2. Defective cassette paper sensor
Action: Replace the sensor.
3. Defective paper size detection PCB
Action: Replace the paper size detection PCB.
4. Defective engine controller PCB
Action: Replace the engine controller PCB.
M-25. "LOAD <SIZE> IN MPT" message appears when the specified sized paper is in the
multi-purpose tray
<Possible causes>
1. Damaged paper detection lever
Action: Replace the lever.
2. Defective multi-purpose tray paper sensor
Action: Replace the sensor.
3. Defective engine controller PCB
Action: Replace the engine controller PCB.
M-26. "LOAD <SIZE> IN CASSETTE 2" message appears when the specified sized paper is
in the paper feeder
<Possible causes>
1. Damaged paper detection lever
Action: Replace the lever.
2. Defective paper feeder paper sensor
Action: Replace the sensor.
3. Defective paper feeder driver PCB
Action: Replace the paper feeder driver PCB.
4. Defective paper size detection PCB
Action: Replace the paper size detection PCB.
5. Defective engine controller PCB.
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