Olivetti d-Copia 600, Руководство по обслуживанию

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1-5-66
(51)
No developing bias is
output. Defective engine PWB. See 1-5-48.
Defective high voltage
PWB.
Poor installation of high
voltage PWB.
(52)
No transfer bias is
output. Faulty connection of con-
nector of transfer high volt-
age PWB. See 1-5-48.
Defective engine PWB.
Defective transfer high volt-
age PWB.
(53)
The original size is
not detected. Defective original detection
switch. If the level of YC9-2 on the scanner PWB does not go low when
the original detection switch is turned on and off, replace the origi-
nal detection switch.
(54)
The original size is
not detected cor-
rectly. Original is not placed cor-
rectly. Check the original and correct if necessary.
Poor contact in the original
size detection sensor con-
nector terminals. Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Defective original size
detection sensor. Check if sensor operates correctly. If not, replace it.
(55)
The touch panel keys
do not work. Poor contact in the touch
panel connector terminals. Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Defective touch panel or
operation PWB. If any keys do not work after the touch panel has been initialized,
replace the touch panel or operation PWB.
(56)
The message
requesting paper to
be loaded is shown
when paper is
present in cassette 1. Poor contact in paper
empty switch 1 connector
terminals. Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Defective paper empty
switch 1. Check if YC7-B5 on the deck PWB goes low when paper empty
switch 1 is turned on with 5 V DC present at YC7-B6 on the deck
PWB. If not, replace paper empty switch 1.
(57)
The message
requesting paper to
be loaded is shown
when paper is
present in cassette 2. Poor contact in paper
empty switch 2 connector
terminals. Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Defective paper empty
switch 2. Check if YC7-B11 on the deck PWB goes low when paper empty
switch 2 is turned on with 5 V DC present at YC7-B12 on the deck
PWB. If not, replace paper empty switch 2.
(58)
The message
requesting paper to
be loaded is shown
when paper is
present in cassette 3. Poor contact in paper
empty switch 3 connector
terminals. Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Defective paper empty
switch 3. Check if YC4-9 on the cassette PWB goes low when paper empty
switch 3 is turned on with 5 V DC present at YC4-7 on the cas-
sette PWB. If not, replace paper empty switch 3.
(59)
The message
requesting paper to
be loaded is shown
when paper is
present in cassette 4. Poor contact in paper
empty switch 4 connector
terminals. Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Defective paper empty
switch 4. Check if YC4-10 on the cassette PWB goes low when paper
empty switch 4 is turned on with 5 V DC present at YC4-8 on the
cassette PWB. If not, replace paper empty switch 4.
Problem Causes Check procedures/corrective measures
Service Manual Y104350-7