Classification Status
Code
Item Symptom Possible Cause Remarks
Control SC80 Paper feed signal transmission error A communication error from the main
board.
Optics fiber cable disconnected or
defective main control board or paper
feed control board.
SC81 Paper feed signal receiving error
SC82 Operation unit transmission error Same as above. Optics fiber cable disconnected or
defective main control board or
operation unit.
If SC82 is displayed, there is a
possibility of CPU malfunction and of
the machine going out of control. The
beeper sound instructs the customer
to turn off the main switch or to call
the service representative.
SC83 Operation unit receiving error
SC84 ADF signal transmission error Same as above. Optics fiber cable disconnected or
defective main control board or ADF
control board.
SC85 ADF signal receiving error
SC88 Sequencer error Sequencer fails to respond. Defective main control board.
SC89 Total counter error No count signal is produced. Defective counter or DC driver board
or disconnected connector.
SC90 Process control data error Defective main control board or
battery short on the main control
board.
SC91 Non-volatile memory error Voltage of the backup battery drops
below 2.5 volts or less.
Worn battery. Normally, the battery
voltage is approximately 3 volts.
SC93 Wait/busy signal error A wait or busy signal from the finisher
stays generated for more than 25
seconds.
Defective finisher or inverter control
board.
SC94 Signal transmission error from the
finisher
After the copier CPU sends a status
request signal to the finisher, there is
no response signal from the finisher
for more than 10 seconds.
Optics fiber cable disconnected, or
defective copier main, finisher, or
inverter control board.
SC95 Motor drive error 1 A status that the finisher cannot make
copies in both shift tray and staple
modes due to a defective motor is
detected.
Defective inverter or finisher transport
motor, shift tray lift motor, exit drive
motor, stopper drive motor, or their
related sensor.
SC96 Motor drive error 2 A status that the finisher cannot make
copies in shift tray mode due to a
defective shift motor is detected.
Defective shift motor or shift tray half
turn sensor.
SC97 Motor drive error 3 A status that the finisher cannot make
copies in staple mode due to a
defective motor is detected.
Defective jogger, stapler drive, staple,
stack feed-out, or inverter stopper
drive motor, or their related sensor.
SC98 Non-volatile memory drive error Defective non-volatile memory on the
main board.
Defective main control board.
SC99 Control system error A communication error between the
copier and ADF, LCT, or finisher.
Defective main control board, inverter
control board, LCT control board, or
ADF control board.
8-7