The Size Of Paper In The Lower Drawer Is Not Displayed Correctly; The Printing Width Of The Paper On The Bypass Tray Is Not Detected Correctly; When The Main Switch Is Turned On - Kyocera KM-2530 Service Manual

Problem
(42) Poor contact in the lower
The size of paper in paper length switch con-
the lower drawer is nector terminals.
not displayed cor-
Defective lower paper
rectly.
length switch.
Poor contact in the lower
paper width switch con-
nector terminals.
Defective lower paper
width switch.
(43) Poor contact in the bypass
The printing width of paper length switch con-
the paper on the nector terminals.
bypass tray is not
Defective bypass paper
detected correctly.
length switch.
Poor contact in the bypass
paper width switch con-
nector terminals.
Defective bypass paper
width switch.
(44) A piece of paper torn from
A paper jam in the copy paper is caught
paper feed, paper around feed switch 1/2/3,
conveying or fixing registration switch,
section is indicated feedshift switch or eject
when the main 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.
Causes
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check if CN13-A19 on the main PCB goes low when the lower
paper length switch is turned on. If not, replace the lower paper
length switch.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check if the levels of CN12-9, CN12-10 and CN12-11 on the
main PCB change alternately when the width guide in the lower
drawer is moved. If not, replace the lower paper width switch.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check if CN6-B11 on the main PCB goes low when the bypass
paper length switch is turned on. If not, replace the bypass pa-
per length switch.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check if the levels of CN6-A1, CN6-A2 and CN6-A3 on the main
PCB change alternately when the insert guide on the bypass
table is moved. If not, replace the bypass paper width switch.
Check and remove if any.
Run maintenance item U031 and turn feed switch 1 on and off
manually. Replace the switch if indication of the corresponding
switch on the operation panel is not displayed in reverse.
Run maintenance item U031 and turn feed switch 2 on and off
manually. Replace the switch if indication of the corresponding
switch on the operation panel is not displayed in reverse.
Run maintenance item U031 and turn feed switch 3 on and off
manually. Replace the switch if indication of the corresponding
switch on the operation panel is not displayed in reverse.
Run maintenance item U031 and turn the registration switch on
and off manually. Replace the switch if indication of the corre-
sponding switch on the operation panel is not displayed in re-
verse.
Run maintenance item U031 and turn the eject switch on and off
manually. Replace the switch if indication of the corresponding
switch on the operation panel is not displayed in reverse.
Run maintenance item U031 and turn the feedshift switch on
and off manually. Replace the switch if indication of the corre-
sponding switch on the operation panel is not displayed in re-
verse.
Check procedures/corrective measures
2DF
1-5-57