Toshiba 4560 Service Manual page 339

(4) Size detection failure
(5) Original's pre-feed stop position failure
Nov. 1997 © TOSHIBA
Start
SIZE-SNS1
"A" +5V with paper
present?
YES
SIZE-SNS2
"B" +5V with paper
present?
YES
Aligning roller
slipping on the original?
YES
Clean or replace the aligning
roller, or check or adjust
the roller pressure.
Start
Reflective
mirror of the aligning
sensor normal?
YES
Electromagnetic
clutch slipping?
YES
Adjust or replace the
electromagnetic clutch.
NO
Check or replace the size
sensor 1.
NO
Check or replace the size
sensor 2.
NO
Check or replace the
control PC board.
"A"
CN14-6
NO
Clean or replace the
reflective mirror.
NO
Check or replace the
control PC board.
18 - 81
"B"
CN14-9
4560/4570 RADF