Ricoh MT-C1 Service Manual page 452

B140/B246 SERIES SERVICE MODE
763 D Punch movement motor error
Occurs during operation of the punch
unit. The 1st detection failure issues a
jam error, and the 2nd failure issues this
SC code.
Paper position sensor slide motor error
764 D
Occurs during operation of the punch
unit. The 1st detection failure issues a
jam error, and the 2nd failure issues this
SC code.
765 B Folding unit bottom fence lift motor
The 1st detection failure issues a jam
error, and the 2nd failure issues this SC
code.
766 B Clamp roller retraction motor error
The 1st detection failure issues a jam
error, and the 2nd failure issues this SC
code.
767 B Stack junction gate motor error
Occurs during operation of the punch
unit. The 1st detection failure issues a
jam error, and the 2nd failure issues this
SC code.
770 B Cover interposer tray bottom plate motor error
• After the motor starts to raise the
bottom plate, the bottom plate
position sensor does not detect the
plate at the specified time (3 s).
• After the motor starts to lower the
bottom plate, the bottom plate HP
sensor does not detect the bottom
plate.
780 B Z-Fold feed motor error
The feed motor does not attain the
prescribed speed within the specified
time.
781 B Z-Fold lower stopper motor
The lower stopper motor does not attain
the prescribed speed within the specified
time.
Z-Fold upper stopper motor
782 B
The upper stopper was not detected at
the home position after the motor
remained on long enough to move it
128.7 mm.
B246
• Motor harness disconnected, loose,
defective
• Motor defective
B246
• Motor harness disconnected, loose,
defective
• Motor defective
B246
• Motor harness disconnected, loose,
defective
• Motor defective
B246
• Motor harness disconnected, loose,
defective
• Motor defective
B246
• Motor harness disconnected, loose,
defective
• Motor overload
• Motor defective
B246
• Bottom plate position sensor,
disconnected, defective
• Bottom plate HP sensor
disconnected, defective
B246
• Feed motor disconnected, defective
• Feed motor overloaded due to
obstruction
• Feed motor lock
B246
• Lower stopper motor disconnected,
defective
• Lower stopper motor overloaded
due to obstruction
• Lower stopper HP sensor
disconnected, defective
B246
• Upper stopper motor disconnected,
defective
• Upper stopper motor overloaded
due to obstruction
• Upper stopper HP sensor
disconnected, defective
4-64
15 February 2006