Copystar CS-1620, Service Manual

Page: 112 / 235

2C9
1-5-13
DP
Problem Causes/check procedures Corrective measures
(1)
An original jams
when the power
switch is turned on. A piece of paper torn from
an original is caught around
the DP timing switch or
original switchback switch. Check visually and remove it, if any.
Defective DP timing switch. Run maintenance item U244 and turn DP timing switch on and off
manually. Replace DP timing switch if indication of the corre-
sponding switch is not light.
Defective original switch-
back switch. Run maintenance item U244 and turn original switchback switch
on and off manually. Replace original switchback switch if indica-
tion of the corresponding switch is not light.
(2)
An original jams in
the original feed sec-
tion is indicated dur-
ing copying (no
original feed).
Jam code 70 Defective original set
switch. Run maintenance item U244 and turn original set switch on and
off manually. Replace original set switch if indication of the corre-
sponding switch is not light.
Check if the original feed
motor malfunctions. Run maintenance item U243 and select the original feed motor to
be turned on and off. Check the status and remedy if necessary.
Check if the DP paper feed
pulley or DP separation pad
is deformed. Check visually and replace the deformed pulley.
(3)
An original jams in
the original convey-
ing section is indi-
cated during copying
(An original jam in
the original convey-
ing section 1).
Jam code 71 Broken DP timing switch
actuator. Check visually and replace DP timing switch if its actuator is bro-
ken.
Defective DP timing switch. Run maintenance item U244 and turn DP timing switch on and off
manually. Replace DP timing switch if indication of the corre-
sponding switch is not light.
Check if the original con-
veying motor malfunctions. Run maintenance item U243 and select the original conveying
motor to be turned on and off. Check the status and remedy if nec-
essary.
(4)
An original jams in
the original convey-
ing section is indi-
cated during copying
(An original size error
jam).
Jam code 72 Broken DP timing switch
actuator. Check visually and replace DP timing switch if its actuator is bro-
ken.
Defective DP timing switch. Run maintenance item U244 and turn DP timing switch on and off
manually. Replace DP timing switch if indication of the corre-
sponding switch is not light.
Check if the original con-
veying motor malfunctions. Run maintenance item U243 and select the original conveying
motor to be turned on and off. Check the status and remedy if nec-
essary.
(5)
An original jams in
the original convey-
ing section is indi-
cated during copying
(An original jam in
the original convey-
ing section 2).
Jam code 73 Broken DP timing switch
actuator. Check visually and replace DP timing switch if its actuator is bro-
ken.
Defective DP timing switch. Run maintenance item U244 and turn DP timing switch on and off
manually. Replace DP timing switch if indication of the corre-
sponding switch is not light.
Check if the original con-
veying motor malfunctions. Run maintenance item U243 and select the original conveying
motor to be turned on and off. Check the status and remedy if nec-
essary.
Check if the switchback
feedshift solenoid malfunc-
tions. Run maintenance item U243 and select the switchback feedshift
solenoid to be turned on and off. Check the status and remedy if
necessary.