Operation Description; Disassembly And Assembly - Sharp AR-D21 Service Manual

[5] OPERATION DESCRIPTION

1. Paper transport path
2. Operation descriptions
The operations of this unit is controlled by the copier, and the pickup
roller, the paper feed roller, etc. are driven by the drive motor. Paper
picked up by the pickup roller is transported by the paper feed roller,
detected by the paper entry sensor, and fed to the resist roller.
No. Part name
1 Pickup roller
2 Paper feed roller
3 Separation sheet
4 Paper entry detection ACT Detects transport of paper.
5 Paper entry sensor
6 Resist roller
6
5
4
3
2
1
5
4
3
2
1
Operation
Picks up paper.
Transports paper.
Press paper to the paper feed roller.
Detects transport of paper.
Synchronizes the paper lead edge
and the image lead edge.
AR-D21/D22 OPERATION DESCRIPTION

[6] DISASSEMBLY AND ASSEMBLY

For disassembly, follow instructions of illustrations 1, 2, 3, ... in this
sequence. For assembly, reverse the disassembly procedures.
For replacement of parts described in this manual, refer to the Parts
Guide.
1. Paper feed solenoid
1 - 1
1 - 2
2
3
2. Paper feed roller
Refer to 1 - 1.
2 - 1
1
4
– 5 –
1
3
2
4