Kyocera FS-9120DN Service Manual page 111

Problem
(36) A piece of paper torn from
A paper jam in the print paper is caught
paper feed, paper around feed switch 1/2/3,
conveying or fuser registration switch,
section is indicated feedshift switch or eject
when the power switch.
switch is turned on.
Defective feed switch 1.
Defective feed switch 2.
Defective feed switch 3.
Defective registration
switch.
Defective eject switch.
Defective feedshift switch.
(37) Poor contact in the con-
The message re- nector terminals of safety
questing covers to switch 1 or 2.
be closed is dis-
Defective safety switch 1
played when the
or 2.
front cover and con-
veying cover are
closed.
(38) Wiring is broken, shorted
Others. or makes poor contact.
Noise.
Causes
Check and remove if any.
Run maintenance item U031 and turn feed switch 1 on and off
manually. If "1" is not displayed when the switch is on or "0" is
not displayed when the switch is off, replace feed switch 1.
Run maintenance item U031 and turn feed switch 2 on and off
manually. If "1" is not displayed when the switch is on or "0" is
not displayed when the switch is off, replace feed switch 2.
Run maintenance item U031 and turn feed switch 3 on and off
manually. If "1" is not displayed when the switch is on or "0" is
not displayed when the switch is off, replace feed switch 3.
Run maintenance item U031 and turn the registration switch on
and off manually. If "1" is not displayed when the switch is on or
"0" is not displayed when the switch is off, replace registration
switch.
Run maintenance item U031 and turn the eject switch on and off
manually. If "1" is not displayed when the switch is on or "0" is
not displayed when the switch is off, replace eject switch.
Run maintenance item U031 and turn the feedshift switch on
and off manually. If "1" is not displayed when the switch is on or
"0" is not displayed when the switch is off, replace feedshift
switch.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check for continuity across each switch. If there is no continuity
when the switch is on, replace it.
Check for continuity. If none, repair.
Locate the source of noise and remove.
Check procedures/corrective measures
FS-9120DN/9520DN
1-5-41