Electrical Troubleshooting - Toshiba 4560 Service Manual

18.14.2 Electrical troubleshooting

(1) The ADF does not operate (excluding when the jam access and ADF covers are open).
harness connected
applied to "A"?
+5V between
"B" and "C"?
EMP-SNS ("D" pin)
become +5V without
Check the control PC
board and replace it if
necessary.
Nov. 1997 © TOSHIBA
Start
Interface
NO
properly?
YES
DC 24V NO
YES
NO
YES
Does
NO
paper?
YES
"A"
CN5
Reconnect the harness
correctly.
Check the related part of
the copier.
Check the control PC board
and replace it if necessary.
Check the empty sensor and
replace it if necessary.
"B" "C"
TP(+5V) TP(SG)
18 - 79
"D"
CN9-3
4560/4570 RADF