SHARP sp2227 Technical Report

Date :Dec. 25, 1997

Copier SF-2050

1.Model Name:

No. :SP-2227

1. Prevention of interference during open-/closing of turnover
unit of paper discharge

2. Prevention of interference of DV handle

3. Prevention of double feed during copying on both sides

4. Improvement of operability of suction lift lever

1. Prevention of interference during open-/closing of turnover unit of paper discharge

SF-2050

2.General:

Since the screws which install the turnover solenoid unit sometimes interfere during
open-/closing of the paper discharge turnover unit, the washers are added to the screws
to shorten the dimension which projects on the rear side of the frame.

Washer

3.Action:

SHARP CORPORATION Copying Machine Division

On the way of production in April, 1995 (running change)

1/3

Green

C

2. Prevention of interference of DV handle

1.Model Name:

2.General:

SF-2050

When the developing unit is installed and removed on the main body of the machine, the
frame and DV handle sometimes interfere with each other. The washer is fastened
together on the rotary plate of the toner hopper shaft to prevent the DV handle from
interfering with the edge of the frame.

3.Action:

1.Model Name:

2.General:

3.Action:

2/3

On the way of production in April, 1995

3. Prevention of double feed during copying on both sides

SF-2050

Since double feed occurs during operation of ADU unit (copying on both sides), some
parts in ADU unit are changed as the countermeasure.

First product in April, 1995