Olivetti d-Copia 1800 Service Manual Download

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2KL/2KK

1-4-30

(10)
Transfer charging is
not performed.

1. The connector terminals

of the high voltage PWB
make poor contact.

Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.

2. Defective high voltage

PWB.

Check if transfer charging takes place when CN1-4 on the high
voltage PWB goes low while maintenance item U101 is run. If not,
replace the high voltage PWB.

3. Defective main/engine

PWB.

Check if YC8-4 on the main/engine PWB goes low when mainte-
nance item U101 is run. If not, replace the main/engine PWB.

(11)
The original size is
not detected cor-
rectly.

1. Original is not placed cor-

rectly.

Check the original and correct if necessary.

2. Poor contact in the origi-

nal detection switch or
original size detection
sensor connector termi-
nals.

Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.

3. Defective original detec-

tion switch.

If the level of YC5-B8 on the main/engine PWB does not go low
when the original detection switch is turned on and off, replace the
original detection switch.

4. Defective original size

detection sensor.

Check if sensor operates correctly. If not, replace it.

(12)
The message
requesting paper to
be loaded is shown
when paper is
present on the cas-
sette or MP tray.

1. Poor contact in the con-

nector terminals of paper
switch or MP paper
switch.

Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.

2. Defective paper switch or

MP paper switch.

If the level of following terminal on PWB does not go low when the
switch is turned on and off, replace the switch.
Paper switch: YC2-2 on the cassette PWB
MP paper switch: YC5-12 on the cassette PWB

(13)
The size of paper on
the cassette or MP
tray is not displayed
correctly.

1. Poor contact in the con-

nector terminals of paper
size length switch or MP
paper size width switch.

Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.

2. Defective paper size

length switch or MP
paper size width switch.

If the level of following terminal on PWB does not go low when the
switch is turned on and off, replace the switch.
Paper size length switch: YC9-B3, B4, B6 on the main/engine
PWB
MP paper size width switch: YC5-2 on the cassette PWB

(14)
A paper jam in the
paper feed, paper
conveying, eject or
duplex section is indi-
cated when the main
power switch is
turned on.

1. A piece of paper torn

from copy paper is
caught around registra-
tion switch, eject switch
or duplex paper convey-
ing switch.

Check visually and remove it, if any.

2. Defective switch.

Run maintenance item U031 and turn switch on and off manually.
Replace the switch if indication of the corresponding switch is not
light.
Registration switch, eject switch, duplex paper conveying switch

Problem

Causes

Check procedures/corrective measures

Service Manual Y110980-1