Code :

Code: 752
Description: Booklet finisher punch-unit registration motor error
• The registration motor drives the slide unit to the rear side for 1 second. However, the home position sensor does not turn on. • The registration motor drives the slide unit to the front side for 1 second. However, the home position sensor does not turn off.
Causes: • Incorrect assembly of the registration motor • Loose connection of the registration motor • Defective home position sensor • Loose connection of the home position sensor

Code: 753
Description: Booklet finisher punch-unit punch motor error
• The punch motor starts to drive the punch cams. However, the controller does not receive the encoder-lock signal for 60 milliseconds. • The punch motor start to drive the punch cams. However, the home positions sensor does not turn on for 250 milliseconds.
Causes: • Malfunction of the punch motor • Loose connection of the punch motor • Defective home position sensor • Loose connection of the home position sensor • Loose connection of the encoder sensor • Defective encoder sensor

Code: 754
Description: Booklet finisher punch-unit sensor error 2
The A/D inputs of the sensor are not corrected by varying the D/A outputs.
Causes: • Defective sensor • Dirty sensor

Code: 818
Description: Watch-dog error
While the system program is running, other processes do not operate at all.
Causes: • Defective controller • Software error

Code: 819
Description: Fatal error
Causes: • Defective RAM DIMM • Defective ROM DIMM • Defective controller • Software error