Oce 3121, Technical & Service Manual

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32 TSM Océ 3121/3122 Error code solving / machine fault solving
32 E531
Cause Step Checks Y/N Action
Connector (poor
contact) 1 Check the connection of J7 to
the tray control PBA. Yes Improve the connection.
Motor M5 for the
staple swing 2 Connect the + to J7-1 and the –
to J7-2 on the tray control
PBA. Does the voltage change
to approximately 24 V, when
the stapler swings? Yes Replace motor M5.
Stapler motor M3 3 Disconnect J7 from the tray
controller PBA. Is the resist-
ance between J7-10 and J7-11
on the harness side about 20
ohm? No Replace motor M3.
4 Connect the + to J7-11 and the
– to J7-10 on the tray control
PBA. Does the voltage change
to approximately 24 V? Yes Replace motor M3.
Stapler: detection
of position PI4 5 Set the meter to the DC range.
Connect the + to J7-3 and the –
to J7-4 on the tray control
PBA. Is the voltage approxi-
mately 5 V? Yes Check the wiring to the
stapler position sensor
PI4. If undamaged,
replace the sensor.
Stapler home sen-
sor MS7 6 Set the meter to the DC range.
Connect the + to J7-8 and the –
to J7-7 on the tray control
PBA. Is the voltage approxi-
mately 5 V? Yes Check the wiring to the
home position sensor
MS7. If undamaged,
replace the sensor.