Paper Feed Operation - Fujitsu DL7600 Maintenance Manual

5.2.2.2 Paper feed operation

Figure 5.13 shows the driving system of the paper feed mechanism.
The LF and TR motors mounted on the frame via gears feed paper.
paper and continuous forms to rotate the first and second transport rollers and platen roll.
operates only for continuous forms to rotate the front or rear tractor to feed paper.
(1) Power transmission
Driving the transport roller
The transport roller is driven by the LF motor, which rotates the first and second transport roller gears (pulleys)
via the pulley gear and timing belt.
Driving the front tractor
The front tractor is driven by the TR motor, which transmits power to the tractor driving gear via shaft gear F
Driving the rear tractor
The rear tractor is driven by the TR motor, which transmits power to the tractor driving gear via shaft gear R, idle
gear, 2-step gear, and TR idle gear.
OC cam
Timing belt
Gear which drives
rear tractor.
Idle gear
LF Motor
2 step gear
Figure 5.13 Power transmission mechanism
The LF motor operates for both cut sheet
Platen
Shift gear R
Idle gear 3
147
The TR motor
Nip roller gear
front and rear
DV gear
front and rear
Slide cam
OC Lever
PL idle gear
Gear which drives
front tractor.
Shift gear F
HCPHP SW
TR Motor
Shift spring