Konica Minolta magicolor 2500W Service Manual page 180

Field Service Ver. 1.0 Aug. 2006
Code
10 Polygon motor malfunction
12 Laser malfunction
2nd image transfer pressure
14
/retraction failure
Cleaning blade pressure
15
/retraction failure
16 Transfer belt rotation failure
Item
• 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 state of the retraction position sensor/2nd image
transfer is not changed from the unblocked to blocked
state even after the lapse of a predetermined period of
time during predrive.
• The retraction position sensor/2nd image transfer is in
the unblocked state even after the lapse of a predeter-
mined period of time during predrive.
• The retraction position sensor/2nd image transfer 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 retraction position sensor/2nd image transfer 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.
• The state of the retraction position sensor/cleaning
blade is not changed from the blocked to unblocked
state even after the lapse of a predetermined period of
time during predrive.
• The retraction position sensor/cleaning blade is in the
blocked state even after the lapse of a predetermined
period of time during predrive.
• The retraction position sensor/cleaning blade is not
unblocked (blade in the retracted position) within a pre-
determined period of time after the retraction sequence
of the cleaning blade has been started.
• The retraction position sensor/cleaning blade is not
blocked (blade in the pressed position) within a prede-
termined period of time after the pressure sequence of
the cleaning blade has been started.
• The belt positioning sensor does not detect the transfer
belt position detection hole a second time even after
the lapse of a predetermined period of time after it has
detected one while the transfer belt is rotated.
16. Error codes
Detection Timing
143