SHARP SP1757 Technical Report

Date: Jun. 16, 1994

COPIER : SF-2022

1. PREVENTION OF BOSS BREAKAGE IN THE LENS CARRIAGE

2. CHANGES TO AC PWB PAT TERNS FOR 20 0V SERIES

3. DESIGNATION OF SERVICE PARTS FOR PAPER DISPENSER
CABINET SPACER AND BEARING

1. Prevention of boss breakage in the lens carriage

1.Model name: SF-2022, 2027, 1025 SF-7800, 7850, 7855, 7830

2.General: Breakage was found to occur in the boss for the lens drive wire spring in the optical unit

lens carriage. An ’R’ has been attached to the base of the boss to strengthen it.

No. : SP-1757

3.Action: 100V series: SF-2022, 2022H, 2027, 2027H, 1025 : From May 1994 production
200V series: SF-2022, 2027, 1025 : From mid-April 1994 production
SF-7800, 7850, 7855, 7830 : From May 1994 production

2. Changes to AC PWB patterns for 200V series

1.Model name: SF-2035, 200V series only

2.General: Changes were made to the AC PWB patterns in accordance with safety standards for

the UK. However, these changes were made only for units bound for the UK and other
limited destinations. On units bound for all other destinations, current patterns were
redeemed and then changed. Redemption of all current PWB patterns has been
completed. Therefore, new patterns have been made for units bound for the remaining
200V destinations.

SHARP CORPORATION Reprography Division

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Green

C

3.Description:

4.Action: From mid-April 1994 production.

3. Designation of service parts for paper dispenser cabinet spacer and bearing

1.Model name: SF-2022, 2027, 2035/2035H, 1025

Changed maintenance silk
Changed from F0973FC-2 to F0973FC-3

2.General: The following service parts have been designated to prevent boss breakage in the
paper dispenser cabinet of reversal units.
Note: Designation is for service parts only.

3.Description:

L/R symmetrical
positions
Spacer mounting

0~+2mm

➀

Reference

Surface reference

➁

General view

Exchanged both L/ R bear ings
L/R symmetrical positions

0

(Bearing Exchange)
(1) Remove screw and washer
(2) Remove current bearing
(3) Insert new bearing
(4) Mount screw and washer

(Dispenser Cabinet Spacer Mounting)
(1) Cleanse the mounting surface with alcohol.
(2) Confirm mounting position using reference

Place the spacer against the surface.
Then mount spacer in line with surface
reference ➁.

➀.

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Note: Please be sure to confirm that reference ➀ does not extrude from the main body.

If Reference ➀ extrudes from the main body, it will come in contact with the F/R
support plate during opening/closing of the dispenser cabinet.