Konica Minolta MagiColor 1600W Service Manual page 139

17. Malfunction code
Code
2nd image transfer pressure
0094
/retraction failure
0300 Polygon motor malfunction
0310 Laser malfunction
0500 Fuser warm-up failure
0502 Thermistor open-circuit failure
0503 Thermistor resistance failure
0510 Abnormally low fuser temperature
0520 Abnormally high fuser temperature
0F51 Waste toner full sensor trouble
13C0 Printer control board malfunction
13DD Backup data error
13E2 Flash ROM write error
13F0 Engine control failure
102
Item
• The state of the 2nd image transfer retraction position
sensor is not changed from the unblocked to blocked
state even after the lapse of a predetermined period of
time during predrive.
• The 2nd image transfer retraction position sensor is in
the unblocked state even after the lapse of a predeter-
mined period of time during predrive.
• The 2nd image transfer retraction position sensor is not
blocked (roller in the retracted position) within a prede-
termined period of time after the retraction sequence of
the 2nd transfer roller has been started.
• The 2nd image transfer retraction position sensor is not
unblocked (roller in the pressed position) within a pre-
determined period of time after the pressure sequence
of the 2nd transfer roller has been started.
• A LOW motor lock signal is not detected even after the
lapse of a predetermined period of time after the poly-
gon motor has been started.
• The motor lock signal remains HIGH for a predeter-
mined consecutive period of time while the polygon
motor remains energized.
• The SOS signal is not detected within a predetermined
period of time after the output of a laser has been
started.
• The SOS signal is never detected in the image area.
• The thermistor does not detect a predetermined tem-
perature value even after the lapse of a predetermined
period of time after the current warm-up cycle has been
started and the current warm-up cycle is thus not com-
pleted.
• The temperature detected by the thermistor does not
reach a predetermined level even after the lapse of a
given period time after the warm-up cycle has been
started.
• The heater lamp remains ON for a predetermined con-
secutive period of time.
• The temperature detected by the thermistor remains
lower than a predetermined value for a predetermined
period of time.
• The temperature detected by the thermistor is a prede-
termined value or higher for a predetermined period of
time.
• Waste toner full sensor detects abnormal situation.
• Communications with the M/C expansion IO G/A (IC on
the printer control board) are not properly carried out.
• The printer determines that EEPROM is yet to be
mounted when the main power switch is turned ON.
• Flash ROM writing is found faulty during a check.
• An undefined malfunction occurs in the engine section
(PRCB, etc.).
Field Service Ver. 1.0 Nov. 2008
Detection Timing