Code: 7264 - Olivetti ZU-603 Service Manual

7. Jam display
7.3.14

Code: 7264

A. Detection timing
The conveyance encoder sensor (PS10) is not turned OFF from the ON position, or not turned ON from
the OFF position, even after the set period of time has elapsed after the main motor (M6) is turned ON.
B. Action
Main motor (M6)
Conveyance encoder sensor (PS10)
Step
1 Initial checks
2 M6 operation check
3 PS10 I/O check, sensor check
4 ZUCB replacement
54
Description
Relevant electrical parts
ZU control board (ZUCB)
Action
Service Manual
Field Service Ver. 2.0 May 2008
WIRING DIAGRAM
Control signal
—
ZUCB CN8-1 to 6
ZUCB CN4-14 (ON)
—
Location (Electrical
components)
—
C-2
C-5 to 6
—
Y107910-0