Sharp SF-1014 Service Manual download pdf (Page 44)

4. Optical system

4-1. Copy lamp replacement

1 Open the body up. Release the lock lever of the manual paper

feed unit and remove the manual paper feed unit.

2 Remove the fixing screws (2 pcs.) in the right upper cabinet, and

remove the right upper cabinet.

3 Remove the fixing screws (4 pcs.) of the glass holder, and remove

the glass holder.

4 Remove the table glass.

5 While pushing the copy lamp electrode in the rear frame, remove

the copy lamp.

For assembly, reverse the disassembly procedure.

Note: Be careful to the direction of the copy lamp installation.

4-2. Copy lamp unit replacement

1 Remove the manual paper feed unit, the right upper cabinet, the

glass holder, the table glass, and the operation panel.

2 Move the copy lamp unit to the frame notch (refer to the figure).

3 Remove the terminal section of the copy lamp lead wire. (One

screw and insertion terminal)

4 Loosen the fixing screw of the front and the rear frame wire, fixing

plate and remove the wire from the copy lamp unit.

5 Slide the whole unit forward, and remove the rear frame side

upwards.

For assembly, reverse the disassembly procedures.

Note: When the copy lamp unit is removed, the position adjustment

must be required when attaching again. Refer to the adjust-

ment item for the work.

4-3. Mirror base drive wire replacement

1 Remove the manual paper feed unit, the right upper cabinet, the

glass holder, the table glass and the operation panel.

2 Remove the fixing screws (2 pcs.) of the left upper cabinet, and

slide to the rear frame side to remove the cabinet.

3 Loosen the fixing screw of the copy lamp unit wire fixing plate, and

remove the wire from the unit.

4 Remove the tension spring (7 in the figure) of the mirror base

drive wire in the paper exit side from the hook section.

5 Slightly shift the mirror base to the paper feed side, and remove

the terminal 1 of the mirror base drive wire.

6 Remove the wire fixing screw of the drive pulley.

1 Set the mirror base to the positioning plate position.

2 Set the terminal side of the mirror base drive wire on the hook

section 1, turn the mirror base pulley 2 outside to wind the wire

around the drive pulley from the above.

3 Wind the wire 8 turns from the outside to the inside of the drive

pulley, and put the 7th turn into the groove, and fix it with a screw

temporarily.

4 Pass the wire under the mirror base and wind around the paper

exit pulley (the larger one).

5 Pass the wire to the inside of the mirror base pulley, and pass

through the paper exit pulley (the smaller one), then fix the tension

spring to the hook section 7.

6 Check that the mirror base is in contact with the positioning plate,

and tighten the wire fixing screw of the drive pulley.

Wire fixing screw

6 – 9

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Sharp SF-1014 Service Manual Page 44

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