Sharp UX-A1000 Service Manual page 40

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UX-A1000U
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.
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.
PICK UP
Reduction gear
Reduction gear
Reduction gear
Motor
Paper
feed roller
Pick up shaft gear
PAPER FEED
Reduction gear
Reduction gear
Reduction gear
Reduction gear
Planet gear
Exit roller
Reduction gear
Motor
Pick up roller
Print
cartridge
Star wheel
Paper
Exit roller
Reduction gear
Reduction gear
Reduction gear
Paper
feed roller
Pick up shaft gear
Push up plate
Pick up roller
Feed roller
Fig. 5
3 – 2
Planet gear
Reduction gear
Pick up roller
No rotate
Separate rubber
Separate plate
P-IN sensor
Press roller

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