Kyocera Mita KM-4530 Service Manual page 161

2BC/D
• DF
Problem Causes/check procedures
(1) A piece of paper torn from
An original jams an original is caught
when the main around the original feed
switch is turned on. switch.
Defective original feed
switch.
A piece of paper torn from
an original is caught
around the original
switchback switch.
Defective original
switchback switch.
A piece of paper torn from
an original is caught
around the DF timing
switch.
Defective DF timing
switch.
(2) Defective original feed
An original jams switch.
during continuous
copying of multiple
originals.
Check if the original feed
motor or the original con-
veying motor malfunction.
(3) Defective original feed
An original jams in switch.
the DF is indicated
during copying (no
original feed).
Check if the original feed
Jam code 70
motor malfunctions.
(4) Defective DF timing
An original jams in switch.
the DF during copy-
ing (a jam in the
original feed/con-
Defective original feed
veying section).
switch.
Jam code 72/73
1-5-18
Corrective measures
Remove any found.
Run maintenance item U244 and turn the original feed switch on
and off manually. Replace the original feed switch if indication of
the corresponding switch on the touch panel is not displayed in
reverse.
Remove any found.
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.
Remove any found.
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 U244 and turn the original feed switch on
and off manually. Replace the original feed 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/
original conveying motor on the touch panel to be turned on and
off. Check the status and remedy if necessary.
Run maintenance item U244 and turn the original feed switch on
and off manually. Replace the original feed 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 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 U244 and turn the original feed switch on
and off manually. Replace the original feed switch if indication of
the corresponding switch on the touch panel is not displayed in
reverse.