Ricoh B064 SERIES Service Manual page 501

744 B Booklet stapler motor error 2
The rear stapler unit saddle-stitch
motor does not start operation
within the specified time. The 1st
detection failure issues a jam error,
and the 2nd failure issues this SC
code.
B140/B246/D052 Duplicated Number (See last bullet on page 4.3.3 for
explanation)
750 B Cover interposer bottom plate motor error
• The bottom plate motor turns on
to raise the bottom plate but the
plate position sensor does not
detect the plate within 3 s.
• The bottom plate motor reverses
to lower the bottom plate but the
bottom plate HP sensor does not
detect the plate within 3 s.
750 B Finisher tray 1 (upper tray lift) motor error
The upper tray paper height sensor
does not change its status with the
specified time after the tray raises
or lowers. The 1st detection failure
issues a jam error, and the 2nd
failure issues this SC code.
B140/B246 Duplicated Number (See last bullet on page 4.3.3 for explanation)
753 B Z-Folding unit error 3
The HP sensor of the upper
stopper motor does not go off after
the stopper moved 128.7 mm.
753 B Return roller motor error
Occurs during the operation of the
lower tray pressure motor.
SM
CÓPIA NÃO CONTROLADA
B140/B246/D052 SERIES SERVICE MODE
B246/D052
• Rear motor disconnected, defective
• Rear motor overloaded due to
obstruction
• Bottom plate position sensor defective
• Bottom plate HP sensor defective
• Bottom plate motor defective
• Cover sheet feeder main board defective
• Harnesses disconnected, defective
• Tray lift motor disconnected, defective
• Upper tray paper height sensor
disconnected, defective
• Finisher main board connection to motor
loose
• Finisher main board defective
B140
• Upper stopper motor defective
• Upper stopper motor disconnected,
connector defective
• Upper stopper motor HP sensor
disconnected, defective
• Z-Fold main control board defective
B246/D052
• Motor harness disconnected, loose,
defective
• Motor overloaded
• Home position sensor harness
disconnected, loose, defective
• Home position defective
4-63
CÓPIA NÃO CONTROLADA
B140
B246/D052
B064 Series/B140 Series
/B246 Series/D052 Series