3H3
1-4-19
(23)
The lock solenoid
does not operate.
Broken lock solenoid coil.
Check for continuity across the coil. If none, replace the lock sole-
noid.
Poor contact in the lock
solenoid connector termi-
nals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Defective finisher main
PWB.
Run maintenance item U240 and check if YC17-2 and YC17-3 on
the finisher main PWB go low. If not, replace the finisher main
PWB.
Problem
Causes
Check procedures/corrective measures
Y1043
71-8
Service Manual
