Kyocera TASKalfa 620 Service Manual page 166

2KN/2KP
Problem
(37)
An original jams in
the optional DP is
indicated during
copying (no original
feed).
Jam code 70
(38)
An original jams in
the optional DP is
indicated during
copying (jam in the
original feed/convey-
ing section 1).
Jam code 71
(39)
An original jams in
the optional DP is
indicated during
copying (jam in the
original feed/convey-
ing section 2).
Jam code 72
(40)
An original jams in
the optional DP is
indicated during
copying (jam in the
original conveying
section).
Jam code 73
(41)
An original jams in
the optional DP is
indicated during
copying (jam in the
original registration
section).
Jam code 74
(42)
An original jams in
the optional DP is
indicated during
copying (jam in the
original switchback
section 1).
Jam code 75
(43)
An original jams in
the optional DP is
indicated during
copying (jam in the
original switchback
section 2).
Jam code 76
1-4-22
Causes/check procedures
Defective original feed
switch.
Check if the original feed
motor malfunctions.
Defective DP timing switch
2.
Defective original feed
switch.
Defective DP registration
switch.
Defective DP timing switch
1.
Defective DP registration
switch.
Defective DP registration
switch.
Defective DP timing switch
1.
Defective DP timing switch
2.
Corrective measures
Run maintenance item U244 and turn the original feed switch on
and off manually. Replace the switch if indication of the corre-
sponding 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 DP timing switch 2 on and
off manually. Replace DP timing switch 2 if indication of the corre-
sponding 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 switch if indication of the corre-
sponding switch on the touch panel is not displayed in reverse.
Run maintenance item U244 and turn the DP registration switch
on and off manually. Replace the DP registration switch if indica-
tion of the corresponding switch on the touch panel is not dis-
played in reverse.
Run maintenance item U244 and turn DP timing switch 1 on and
off manually. Replace DP timing switch 1 if indication of the corre-
sponding switch on the touch panel is not displayed in reverse.
Run maintenance item U244 and turn the DP registration switch
on and off manually. Replace the DP registration switch if indica-
tion of the corresponding switch on the touch panel is not dis-
played in reverse.
Run maintenance item U244 and turn the DP registration switch
on and off manually. Replace the DP registration switch if indica-
tion of the corresponding switch on the touch panel is not dis-
played in reverse.
Run maintenance item U244 and turn DP timing switch 1 on and
off manually. Replace DP timing switch 1 if indication of the corre-
sponding switch on the touch panel is not displayed in reverse.
Run maintenance item U244 and turn DP timing switch 2 on and
off manually. Replace DP timing switch 2 if indication of the corre-
sponding switch on the touch panel is not displayed in reverse.