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371: Paper Jam
Condition
Paper jam 371 occurs when paper jams in the middle area of the duplex unit.
1. The DUP-R sensor does not return to OFF-state within the predefined time after it changed to ON-state.
2. The DUP-F sensor does not change to ON-state within the predefined time after the DUP-R sensor changed to ON-state.
3. The DUP-F sensor does not return to OFF-state within the predefined time after it changed to ON-state.
The printer stops printing immediately when the jam occurs.
Cause
1. Transport rollers cannot transport paper because they have become dirty with paper Dust, toner, etc.
2. A piece of paper, foreign substance, etc., has got stuck in the DUP-R or DUP-F sensor lever.
3. DUP-R or DUP-F sensor motion failure
How to remove the jammed paper
Open the duplex cover - Remove all the sheets that have jammed - close the duplex cover
.
Pull out the duplex unit - Pull the lever at the right side of the duplex open - Hold the two levers and slowly pull out the
duplex unit until it stops - Open the cover in front by grabbing the knob and remove the jammed paper - Open the inside
cover in the same manner and remove the jammed paper if any -Return the covers (2) to the original positions and the duplex
unit to the printer.
Return the covers (2) to the original positions and the duplex unit to the printer. If you have been performing continuous
printing, some paper may still remain in other areas. After opening and closing the cover, if other error code is displayed,
follow the jam clearance method of that code.
Check Points
Pull out the duplex unit and check the following areas and clean/inspect them.
Hold the two levers and slowly pull out the duplex unit until it stops. - Continue to pull it out slowly while lifting it slightly
Frequent Jams: Check the inside of the duplex unit and clean the rollers
Check for a piece of paper or foreign substance in
the paper path. Check for smooth operation of the sensor arms
Jam indication though there seems to be no jammed paper: Check for a piece of paper or foreign substance in the DUP-R and
DUP-F sensor Check for smooth operation of the sensor arms