Sharp FO-B1600, Service Manual

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UX-B700U
FO-B1600U
3-5. Documents requiring use of document carrier
1) Documents smaller than 148mm (W) x 140mm (L).
2) Documents thinner than the thickness of 0.06mm.
3) Documents containing creases, folds, or curls, especially those whose surface is curled (maximum allowable curl is 5mm).
4) Documents containing tears.
5) Carbon-backed documents. (Insert a white sheet of paper between the carbon back and the document carrier to avoid transfer of carbon to the
carrier.)
6) Documents containing an easily separable writing material (e.g., those written with a lead pencil).
7) Transparent documents.
8) Folded or glued documents.
Document in document carrier should be inserted manually into the feeder.
4. Document release
4-1. General
To correct a jammed document or to clean the document running surface, pull the insertion side of document center of the operation panel. To open the
upper document guide, the operation panel must be opened first.
3 – 2
Print
cartridge
Pick up roller
Push up plate
Star wheel
Paper
Exit roller
Feed roller
Press roller
P-IN sensor
Separate plate
Separate rubber
5. Recording block
1) The pulse motor is rotated by the PICK UP ROLLER to feed the recording sheet. The SEPARATE RUBBER feeds one by one from the top sheet.
2) The recording sheet contacts the P-IN SENSOR.
3) The FEED ROLLER rotates in the reverse direction of paper feed (refer to the figure of PICK UP ROLLER). The tip of recording sheet is set parallel
to the FEED ROLLER when it reaches to the FEED ROLLER and the PRESS ROLLER after through the PICK UP ROLLER.
4) Then the FEED ROLLER rotates in the paper feed direction to feed the recording sheet downwards. (refer to the figure of PAPER FEED)
5) The CARTRIDGE prints the recording sheet, which is then ejected by the EXIT ROLLER and STAR WHEEL.
Reduction gear
Reduction gear
Reduction gear
Reduction gear
Pick up roller
No rotate
Pick up shaft gear
Paper
feed roller
Motor
Exit roller
Planet gear
Reduction gear
Reduction gear
Reduction gear
Reduction gear
Reduction gear
Reduction gear
Pick up roller
Pick up shaft gear
Paper
feed roller
Motor
Planet gear
Reduction gear
Reduction gear
PICK UP PAPER FEED
Fig. 5