Ricoh B234 - Page 45

SERVICE CALL CONDITIONS
SM 4-43 B234/B235/B236/D101/D102/D103
Trouble-
shooting
Clamp Roller Retraction Motor
SC766 D
The clamp roller did not return to
the home position within the
specified time.
• Clamp roller mechanism overloaded due
to an obstruction
• Clamp roller HP sensor connector loose,
broken, defective
• Clamp roller HP sensor defective
• Clamp roller retraction motor connector
loose, broken, defective
• Clamp roller retraction motor defective
• Main control board defective
Stack Junction Gate Motor
SC767 D
The stack junction gate did not
return to the home position
within the specified time.
• Stack junction mechanism overloaded
due to an obstruction
• Stack junction gate HP sensor connector
loose, broken, defective
• Stack junction gate HP sensor defective
• Stack junction gate motor connector
loose, broken, defective
• Stack junction gate motor defective
• Main control board defective
Cover Interposer Lift Motor 1 Error
SC770 D
In the first tray:
• The upper limit sensor did not
detect the bottom plate within
the specified time after the lift
motor switched on to lift the
bottom plate.
• The lower limit sensor did not
direct the bottom plate within
the specified time after the lift
motor switched on to lower
the bottom plate.
Note: In both cases, 1 error
count indicates a jam, 2 error
counts issue this SC code.
• Lift motor, upper limit sensor, lower limit
sensor harnesses, connectors loose,
broken, defective
• Lift motor defective
• Upper limit sensor defective
• Lower limit sensor defective
Cover Interposer Lift Motor 2 Error
SC771 D
In the second tray:
• The upper limit sensor did not detect
the bottom plate within the specified
time after the lift motor switched on to
lift the bottom plate.
• The lower limit sensor did not direct the
bottom plate within the specified time
after the lift motor switched on to lower
the bottom plate.
Note: In both cases, 1 error count
indicates a jam, 2 error counts issue this
SC code.
• Lift motor, upper limit sensor,
lower limit sensor harnesses,
connectors loose, broken,
defective
• Lift motor defective
• Upper limit sensor defective
• Lower limit sensor defective