Ricoh MT-C1 Service Manual page 453

15 February 2006
784 Z-fold timing unit fold timing sensor adjustment error
The A/D (Digital/Analog) input
value did not change even after the
D/A (Digital/Analog) output value
changed.
785 Z-fold leading edge sensor adjustment error
The A/D input value did not change
even after the D/A output value
changed.
786 Z-fold EEPROM error
The write operation to the Z-folding
EEPROM failed after 2 attempts
790 B Finisher staple trimming hopper full
The staple waste hopper is full of
cut staples.
B140/B246 SERIES SERVICE MODE
• Fold timing sensor connector loose,
broken, defective
• Fold timing sensor defective
• Fold timing sensor, mylar covered with
paper dust
• Mylar disconnected.
B246
• Leading edge sensor connector loose,
broken, defective
• Leading edge sensor defective
• Leading edge sensor, mylar covered with
paper dust
• Mylar disconnected.
B246
• EEPROM defective
B246
• If the hopper is full, empty the hopper
• If the hopper is not full, the hopper full
sensor is disconnected, defective
4-65
B246