Oce 3121, Technical & Service Manual

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528 TSM Océ 3121 Functional description
2) Changing between copier mode and fax mode.
Motor M1 switches the document feed unit to suit the application mode. When
M1 rotates clockwise, the feed unit moves to copier mode. When M1 rotates
counter-clockwise, the feed unit moves to fax mode.
When M1 rotates clockwise, the arm on the pick-up roller actuates the switch-
ing arm. The original guide is raised. The outer groups of separation belts
move downwards. The feed unit is in copier mode.
When M1 rotates counter-clockwise, the arm on the pick-up roller actuates the
switching arm. The original guide is lowered. The outer groups of separation
belts move upwards. The feed unit is in fax mode.
(copier mode)
(fax mode)
3)Pick-up: copier mode
3a) Operation
The following occurs when the documents have been placed in the tray, and the
copy button is pressed:
Original guide
Separation belts
Switching
arm
Arm
RDF controller PCB
Pick-up motor
(M1)
M1
RDF control PBA
Pick-up motor (M1)
Arm
Switching
Arm
Separation belt
Original guide
RDF controller PCB
Original guide
Separation belts
Switching
arm
Arm
Pick-up motor
(M1)
M1
RDF control PBA
Original guide
Pick-up motor (M1)
Arm
Switching
Arm
Separation belt