Canon i-SENSYS MF744Cdw
Troubleshooting. Multi-purpose Tray Pickup Roller
Multi-purpose Tray Pickup Roller Not Rotating
Overview
If there is a failure in parts of the Multi-purpose Tray Pickup system, the Multi-purpose Tray Pickup Roller may fail to rotate.
Field Remedy
Perform the following remedies.
If papers are picked up only from the Cassettes
- Disconnect and then connect the Connector (J207) of the Multi-purpose Tray Pickup Solenoid (SL1).
- Replace the Driver PCB (UN11) or Engine Controller PCB (UN1).
- Check for any missing teeth of the gear of Multi-purpose Tray Pickup Unit.
- If there is a missing teeth, replace the Multi-purpose Tray Pickup Unit.
If papers are also not picked up from the Cassettes
- Check that the Pickup Motor (M1) is operating. -> Proceed to step 4 if the Motor is in operation.
- Disconnect and then connect the Connector (J202) of the Pickup Motor. -> Proceed to step 4 if the Motor is in operation.
- Replace the Driver PCB (UN11) or Engine Controller PCB (UN1).
- If the Pickup Motor is operating, check the gear of Multi-purpose Tray Pickup Unit.
- If there is a missing teeth, replace the Multi-purpose Tray Pickup Unit.
Multi-purpose Tray Pickup Failure (Delay Jam:090x)
Overview
If the user operated the device inappropriately or there is a failure in parts of the Multi-purpose Tray Pickup system, the delay jam (jam code: 090x) due to the Multi-purpose Tray pickup failure may occur.
Field Remedy
Perform the following remedies.
- Check if there are residuals like paper lint around the area from Multi-purpose Tray pickup to the registration. Remove paper lint if present.
- Check how the device is used by the user (whether the paper guide is fit alongside the paper and paper type/paper size settings are correct).
- Lower the Multi-purpose Tray Pickup Roller, Separation Pad and Multi-purpose Tray Feed Guide to clean the Multi-purpose Tray Pickup Roller (2 rollers).
- Replace the Multi-purpose Tray Pickup Roller and Separation Pad.
- If paper jam is occurring near the Registration Sensor (SR1), disconnect and then connect the Registration Sensor Connector (J102).
- Replace the Registration Assembly or Engine Controller PCB (UN1).