Kyocera Mita KM-4530 Service Manual page 162

Problem Causes/check procedures
(4) Defective original
An original jams in switchback switch.
the DF during copy-
ing (a jam in the
original feed/con-
Check if the original feed
veying section).
motor malfunctions.
Jam code 72/73
Check if the DF original
feed pulley or the DF
separation pulley is de-
formed.
Check if the DF registra-
tion roller or the DF regis-
tration pulley is deformed.
Check if the lower original
conveying roller or the
front scanning pulley is
deformed.
Check if the original con-
veying motor malfunctions.
(5) Defective original
An original jams in switchback switch.
the DF during copy-
ing (a jam in the
original switchback
Defective DF timing
section).
switch.
Jam code 75/76
Check if the original feed
motor malfunctions.
Check if the original con-
veying motor malfunctions.
(6) An original outside the
Original jams fre- specifications is used.
quently.
The DF forwarding pulleys,
DF original feed pulley or
DF switchback pulley is
dirty with paper powder.
The DF original feed pulley
and the DF separation pul-
ley do not contact cor-
rectly.
Corrective measures
Run maintenance item U244 and turn the original switchback
switch on and off manually. Replace the original switchback
switch if indication of the corresponding switch on the touch
panel is not displayed in reverse.
Run maintenance item U243 and select the original feed motor
on the touch panel to be turned on and off. Check the status and
remedy if necessary.
Check visually and replace the deformed pulley.
Check visually and replace the deformed pulley.
Check visually and replace the deformed pulley.
Run maintenance item U243 and select the original conveying
motor on the touch panel to be turned on and off. Check the sta-
tus and remedy if necessary.
Run maintenance item U244 and turn the original switchback
switch on and off manually. Replace the original switchback
switch if indication of the corresponding switch on the touch
panel is not displayed in reverse.
Run maintenance item U244 and turn the DF timing switch on
and off manually. Replace the DF timing switch if indication of
the corresponding switch on the touch panel is not displayed in
reverse.
Run maintenance item U243 and select the original feed motor
on the touch panel to be turned on and off. Check the status and
remedy if necessary.
Run maintenance item U243 and select the original conveying
motor on the touch panel to be turned on and off. Check the sta-
tus and remedy if necessary.
Use only originals conforming to the specifications.
Clean with isopropyl alcohol.
Check and remedy.
2BC/D
1-5-19