Ricoh B064 SERIES Service Manual page 464

B064 SERIES SERVICE MODE
SC700: Peripherals
SC No.
700 D ADF original pick-up error 1
Pick-up roller HP sensor signal
does not change after the pick-up
motor has turned on.
701 D ADF bottom plate motor error
• Bottom plate position sensor
does not detect the plate after
the bottom plate lift motor
switches on to lift the plate.
• Bottom plate HP sensor does not
detect the plate after the bottom
plate motor reverses to lower the
plate.
720 D Finisher transport motor error
The encoder pulse of the transport
motor does not change state
(high/low) within 600 ms and does
not change after 2 retries.
722 B Finisher jogger motor error
• The finisher jogger HP sensor
remains de-activated for more
1,000 pulses when returning to
home position.
• The finisher jogger HP sensor
remains activated for more than
1,000 pulses when moving away
from home position.
724 B Finisher staple hammer motor error
Stapling does not finish within 450
ms after the staple hammer motor
switches on and the stapler jams.
Stapler is released from the reverse
lock status. If the stapler does not
operate within 450 ms, even in the
reverse lock position, then the SC
is logged.
725 B Finisher stack feed-out motor error
The stack feed-out belt HP sensor
does not activate within the
prescribed number of pulses after
the stack feed-out motor turns on
and does not activate after 2
retries.
726 B Finisher upper tray lift motor error
The paper height sensor does not
activate within the prescribed time
after the upper tray lift motor turns
on, or the sensor remains on after
the motor reverses to lower the
tray.
B064 Series/B140 Series
/B246 Series/D052 Series
CÓPIA NÃO CONTROLADA
Symptom
4-26
CÓPIA NÃO CONTROLADA
Possible Cause
• Pick-up roller HP sensor defective
• Pick-up motor defective
• Timing belt slipping, out of position
• ADF main board defective
• Bottom plate position sensor defective
• Bottom plate HP sensor defective
• Bottom plate motor defective
• ADF main board defective
• Finisher transport motor defective
• Transport motor harness disconnected,
or defective
• Finisher main board defective
• Jogger HP sensor defective
• Jogger mechanism overload
• Jogger motor defective (not rotating)
• Finisher main board defective
• Harness disconnected or defective
• Staple jam
• Stapler operation overload
• Staple hammer motor defective
• Motor connector disconnected, or
defective
• Stack feed-out HP sensor defective
• Harness disconnected or defective
• Stack feed-out motor defective
• Finisher main board defective
• Motor overload
• Upper tray paper height sensor defective
• Sensor harness disconnected, defective
• Tray lift motor defective
• Finisher main board defective
• Tray lift motor overload
SM