Utax PF 810, Service Manual

Page: 51 / 69

3PJ
1-4-6
(5)
The size of paper
on the cassette is
not displayed cor-
rectly. 1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
PF paper size length switch 1 and PF main PWB (YC5)
PF paper size length switch 2 and PF main PWB (YC8)
PF paper size width switch 1 and PF main PWB (YC5)
PF paper size width switch 2 and PF main PWB (YC8)
2. Defective PF paper
size switch.
Replace PF paper size switch.
3. Defective PWB. Replace the PF main PWB PWB and check for correct
operation (see page 1-5-4).
(6)
A paper jam in the
paper feeder is
indicated when the
main power switch
is turned on. 1. A piece of paper torn
from paper is caught
around PF feed sen-
sor 1 or 2.
Check visually and remove it, if any.
2. Defective PF feed
sensor 1 or 2.
Replace PF feed sensor 1 or 2.
(7)
A message indicat-
ing cover open is
displayed when the
right cover 3 is
closed. 1. Defective right cover
3 switch.
Replace right cover 3 switch.
2. Defective PWB. Replace the PF main PWB PWB and check for correct
operation (see page 1-5-4).
Problem Causes Check procedures/corrective measures