Ricoh Gestetner 5428C, Service Manual

Page: 69 / 152

31 October 2001 ERROR CODES
4-1
Trouble-
shooting
4. TROUBLESHOOTING
4.1 ERROR CODES
No. Symptom Possible cause
E-00 Clamper error
The MPU cannot detect the clamper position sensor
signal (open or closed) within 3.0 seconds after the
clamper motor turns on. Clamper drive
Clamper sensors
Clamper motor
E-01 Cutter error
The cutter HP sensor does not turn on within 3.0
seconds after the cutter motor turns on. Cutter drive
Cutter switch
Cutter motor
E-02 Paper Table Drive error
The paper height sensor or the table lower limit sensor
does not turn on within 7.5 seconds after the table motor
turns on. Table drive
Table motor
Table height sensor
Table lower sensor
E-04 Thermal Head Overheat
The temperature of the thermal head is greater than
54
°
C when the Start key is pressed.
Overheat (wait for the
thermal head to cool
down)
Thermal head
E-06 Main Motor error
The CPU cannot detect the master eject position sensor
(drum HP) signal within 5.0 seconds after the main motor
turns on. Main motor drive
Main motor
Motor drive board
Master eject position SN
E-09 Thermal Head Thermistor Open
The thermistor output voltage is over 4.9 volts. Thermal head thermistor
Thermal head connector
E-12 Pressure Plate error
The pressure plate home position sensor signal is not
detected within 15.0 seconds after the pressure plate
motor turns on. Pressure plate drive
Pressure plate motor
Plate position sensors
E-13 Scanner error
The scanner HP sensor does not turn on after the
scanner motor has moved for more than 7.0 seconds
back to home position after scanning.
The scanner cannot leave the home position within 2.0
seconds of power on.
Just after switching the power on, the scanner cannot
return to the home position within 2.0 seconds of leaving. Scanner drive
Scanner HP sensor
Scanner motor
E-15 Operation Panel error
Signal transmission error (from the operation panel
board) occurred in the MPU. Operation panel
MPU
E-16 Paper Feed Control error
Signal transmission error (from the paper feed control
section) occurred in the MPU. MPU
E-17 Drum Thermistor Open
The thermistor output voltage is over 4.9 volts. Thermistor connector
Thermistor
E-18 Drum Overheat
The temperature of the drum is greater than 54
°
C when
the Start key is pressed.
Drum overheat
Thermistor