Sharp AR-651 Service Handbook page 186

[E80] Jam access cover opened during original feeding
[E81] Jam access cover opened during original transporting
[E82] Jam access cover opened during large-sized original discharging
[E83] Jam access cover opened during small-sized original reversing
[E84] Jam access cover opened during small-sized original discharging
[E85] Jam access cover opened at the scanning section
Are the connector CN3 and CN12 on the ADF board disconnected?
YES
NO
Is the harness between the ADF board and cover open/close sensor open-circuited?
YES
NO
Is the cover open/close sensor working improperly?
YES
NO
Is the harness between the ADF board and cover open/close sensor open-circuited?
YES
NO
Is the cover open/close sensor working improperly?
YES
NO
Is the harness between the ADF board and RADF open/close switch open-circuited?
YES
NO
Is the RADF open/close switch working improperly?
YES
NO
Is 24V supplied from the copier?
YES
NO
Check if the power at the copier is ON.
AR-651/810 TROUBLE SHOOTING
Connect the connector.
Replace the harness.
Replace the cover open/close sensor.
Replace the harness.
Replace the cover open/close sensor.
Replace the harness.
Replace the RADF open/close switch.
1. Replace the ADF board.
2. Perform the EEPROM initialization of RADF, sensor automatical adjustment
and tray volume adjustment.
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