Media Jam Fuser/Media Jam Exit (Fusing And Paper Exit Section - MINOLTA-QMS Magicolor 2200 Series Manual

3-4 Media jam fuser/media jam exit (fusing and paper exit section)

Problem
The paper crumples
up at the entrance to
the fusing unit and
jams.
The trailing edge of
the paper is caught in
the paper exit roller.
Printing is performed
properly and stops at
the paper exit section.
Other
A paper jam is detected by receiving the H/L signals from the timing roller paper sensor (PC5), take-up sensor (PC8),
and transport paper sensor (PC20). The H/L signals are generated by the presence or absence of paper in the paper trans-
port path.
• When the from transport paper sensor (PC20) does not go off within the specified time after the timing sensor (PC5)
has been set to off.
• When the paper exit sensor (PC8) does not go on within the specified time after the transport paper sensor (PC20)
has been set to on.
• When paper exit sensor (PC8) is not set to off within the specified time after the transport paper sensor (PC20) has
been set to off.
CAUTION
*1 How to remove a jam of crumpled paper in the fusing unit.
Remove the fusing unit from the printer. Use your fingers to rotate the gears on the top of the fusing unit. Use the tip
of a ball pen or other such object to lift up the paper while turning the rollers. Once the paper can be grasped by the
hand, use your hands to pull it out while turning the roller. Damage will occur to the fusing unit if the paper is pulled
through it.
Check
1. Is the fusing pressure motor
(M5) turning properly? (Deter-
mine by sound.)
2. Is there a tab on the one-way
clutch for the timing roller?
3. Is the duplex unit mounted?
4. Does the image appear faintly
on the paper?
1. Does the image appear faintly
on the paper?
1. Does the paper exit sensor
(PC8) lever operate properly?
Result
Yes Replace the fusing unit.
No Replace the gear for the one-way
clutch.
Yes Replace the timing roller solenoid
(SL5).
Yes Replace the timing roller solenoid
(SL5).
No Correct the lever.
Yes Replace the paper exit sensor (PC8).
Replace the PWB-A
E-12
Corrective action