Ricoh D009 Service Manual page 257

Finisher corner stapler motor error
The 1st detection failure causes a jam error, and the 2nd failure causes this
SC code.
For the 2000/3000-sheet (booklet) finisher
Staple movement is not finished after a certain time.
For the 1000-sheet finisher
The stapler motor does not switch off within the prescribed time after
740 B
operating.
The HP sensor of the staple unit does not detect the home position
after the staple unit moves to its home position.
The HP sensor of the staple unit detects the home position after the
staple unit moves from its home position.
Staple jam
Motor overload
Defective stapler motor
Finisher corner stapler rotation motor error
The stapler does not return to its home position within the specified time after
stapling.
The 1st detection failure causes a jam error, and the 2nd failure causes this
741 B
SC code.
Defective stapler rotation motor
Overload to the stapler rotation motor
Defective stapler rotation HP sensor
Finisher stapler movement motor error
Staple movement is not finished within a certain time.
The 1st detection failure causes a jam error, and the 2nd failure causes this
742 B
SC code.
Motor overload
Loose connection of the stapler home position sensor
SM 4-31
SC Tables: SC7xx -1
D009/D011/D012/D013