Kyocera Mita KM-2560 Service Manual page 146

2H0/2HZ
Problem Causes/check procedures
(19) Defective DP timing switch.
An original jams in
optional DP is indi-
cated during copying
Check if the original feed
(no original feed).
motor malfunctions.
Jam code 70
(20) Defective DP timing switch.
An original jams in
optional DP is indi-
cated during copying
(a jam in the original
conveying section 1).
Jam code 71
(21) Defective DP timing switch.
An original jams in
optional DP is indi-
cated during copying
Check if the original con-
(a jam in the original
veying motor malfunctions.
conveying section 2).
Jam code 72
(22) Defective DP timing switch.
An original jams in
optional DP is indi-
cated during copying
Check if the original con-
(a jam in the original
veying motor malfunctions.
switchback section).
Jam code 73
(23) Defective DP timing switch.
An original jams in
optional DP is indi-
cated during copying
Check if the original switch-
(a jam in the original
back motor malfunctions.
switchback/feed sec-
tion).
Jam code 74
(24) Defective switch.
An original jams in
optional DP is indi-
cated during copying
(a jam in the original
switchback/convey-
ing section).
Jam code 75
(25) Defective paper entry sen-
A paper jam in sor.
optional document
finisher is indicated
during copying (jam
between finisher and
machine).
Jam code 80
1-4-14
Corrective measures
Run maintenance item U244 and turn the DP timing switch on and
off manually. Replace the 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 rem-
edy if necessary.
Run maintenance item U244 and turn the DP timing switch on and
off manually. Replace the switch if indication of the corresponding
switch on the touch panel is not displayed in reverse.
Run maintenance item U244 and turn the DP timing switch on and
off manually. Replace the switch if indication of the corresponding
switch on the touch panel is not displayed in reverse.
Run maintenance item U243 and select the 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 DP timing switch on and
off manually. Replace the switch if indication of the corresponding
switch on the touch panel is not displayed in reverse.
Run maintenance item U243 and select the 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 DP timing switch on and
off manually. Replace the switch if indication of the corresponding
switch on the touch panel is not displayed in reverse.
Run maintenance item U243 and select the original switchback
motor on the touch panel to be turned on and off. Check the status
and remedy if necessary.
Run maintenance item U244 and turn switch on and off manually.
Replace the switch if indication of the corresponding switch on the
touch panel is not displayed in reverse.
DP timing switch, original switchback switch
With 5 V DC present at CN14-1 and CN14-3 on the finisher main
PWB, check if CN14-2 and CN14-4 on the finisher main PWB
remains low or high when the paper entry sensor is turned on and
off. If it does, replace the paper entry sensor.