Konica Minolta magicolor 4690MF Service Manual page 325

17. Malfunction code
Display message
0300
0310
0500
0502
0503
0510
0520
0F50
0F52
0F53
0F54
0F55
13C0
13DD
13F0
3C00
3C10
13E2
282
Misfeed location
• The polygon motor does not rotate evenly even
after the lapse of a given period of time after it
has been started.
Polygon motor
malfunction
• The motor lock signal remains HIGH for a given
period of consecutive time while the polygon
motor is being rotated.
• The SOS signal is not detected within a given
Laser malfunction period of time after the output of the laser has
been started.
• The thermistor /1 does not detect the specified
Heating roller temperature and the warm-up cycle is not com-
warm-up failure pleted even after the lapse of a given period of
time after the cycle has been started.
• The temperature detected by the thermistor
Thermistor open- does not reach a predetermined level even after
circuit failure the lapse of a given period time after the warm-
up cycle has been started.
• The difference between the temperature
Thermistor resis-
detected by thermistor/1 and that detected by
tance failure
thermistor/2 exceeds a predetermined value.
Abnormally low • The temperature detected by the thermistor /1
heating roller tem- remains lower than the specified value for a
perature given period of time or longer.
• The temperature detected by the thermistor /1
Abnormally high remains higher than the specified value for a
heating roller tem- given period of time or longer.
perature • The heater lamp remains ON for a given period
of time or longer.
OHP sensor mal- • It is determined that the OHP sensor is faulty
function through a check made at the end of the predrive.
Toner level sensor / • An error occurs on the toner level sensor board
Y malfunction (TLSB).
Toner level sensor /
M malfunction
Toner level sensor /
C malfunction
Toner level sensor /
K malfunction
Print control board • A communication error occurs in print control
malfunction board (PRCB).
• The printer determines that EEPROM is yet to
Backup data error be mounted when the main power switch is
turned ON.
Engine control fail- • An undefined malfunction occurs in the engine
ure section (PRCB, etc.).
• Contact the responsible people of KONICA
Trouble related to
MINOLTA when not returning in power switch
security
OFF/ON.
Engine flash ROM • Flash ROM writing is found faulty during a
write error check.
Field Service Ver. 1.0 May 2008
Detection timing