The Message Requesting Paper To Be Loaded Is Shown When Paper Is Present In The Drawer; The Size Of Paper In The Drawer Is Not Displayed Correctly; A Paper Jam In The Paper Feed, Paper Conveying Or Fixing Section Is Indicated When The Power Switch Is Turned On; The Message Requesting Covers To Be Closed Is Displayed When The Front Cover And Left Cover Are Closed - Kyocera KM-1620 Service Manual

Problem
(20) Poor contact in the paper
The message re- switch connector termi-
questing paper to be nals.
loaded is shown
Defective paper switch.
when paper is
present in the
drawer.
(21) Poor contact in the paper
The size of paper in length switch connector
the drawer is not terminals.
displayed correctly.
Defective paper length
switch.
(22) A piece of paper torn from
A paper jam in the copy paper is caught
paper feed, paper around registration switch,
conveying or fixing exit switch or feedshift
section is indicated switch.
when the power
Defective registration
switch is turned on.
switch.
Defective exit switch.
Defective feedshift switch.
(23) Poor contact in the con-
The message re- nector terminals of safety
questing covers to switch.
be closed is dis-
Defective safety switch.
played when the
front cover and left
cover are closed.
(24) Wiring is broken, shorted

Others.

or makes poor contact.
Noise.
Causes
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
If the level of YC8-2 on the engine PCB does not change when
the paper switch is turned on and off, replace the paper switch.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check if YC22-1,2,4 on the engine PCB goes low when the pa-
per length switch is turned on. If not, replace the paper length
switch.
Check and remove if any.
Run maintenance item U031 and turn registration switch on and
off manually. Replace registration switch if indication of the cor-
responding sensor is not light.
Run maintenance item U031 and turn exit switch on and off
manually. Replace exit switch if indication of the corresponding
sensor is not light.
Run maintenance item U031 and turn feedshift switch on and off
manually. Replace feedshift switch if indication of the corre-
sponding sensor is not light.
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
2C9
1-5-31