Kyocera TASKalfa 6501i Service Manual page 394

Jam types
Duplex sensors 1 and
2, stuck/ non arrival
Jam (J43XX, J44XX)
BR conveying sensor
1/2 non arrival/stay
jam (J49XX)
Eject sensor non
arrival jam (J50XX)
Eject sensor stay jam
(J51XX)
DF paper entry error
JAM (J600X)
DF conveying sensor
non arrival jam
(J610X)
DF conveying sensor
stay jam (J611X)
Check description
1. Check that the duplex
rollers cause slipage in
feeding paper.
2. Perform U031 to check
if the duplex sensors 1
and 2 do not show false
detections.
3. Check if the second
side of plain paper is
curled at its tail and
slacked in the middle
making the switch
disguised as no
existance of paper.
1. Check contamination of
the rollers of the bridge
eject unit.
2. Check contamination or
abrasion of the axle
holders of the bridge
eject unit.
3. Check the location the
bridge relay conveying
unit is mounted.
1. Check it the main unit
and the DF are
vertically flush with
each other.
Corrective measures
Clean or replace the duplex roller in the coveying
unit.
Replace the defective duplex sensors 1 and 2 or the
coveying unit.
Replace the paper with new paper.Try feeding paper
lengthwise.
Clean or replace the rollers.
Clean the axle holder or replace with a new axle
holder.
Re-mount.
Perform the height adjustment by referring to the
installation instructions.
1-4-34
2N8/2N7