SHARP DTE091 Technical Report

Date: Oct. 14, 1993

COPIER : SF-3076

[Service information]

1. IMPROVEMENT OF SPONGE ROLLER IN THE FINISHING AREA

2. EFFECTIVE REPLACEMENT PERIOD OF ELEVATOR MOTOR IN THE
FINISHING AREA

3. CHANGES TO IC DRIVERS TO IMPROVE PRODUCTION

1. Improvement of sponge roller in the finishing area

1.Model name: SD-F201/F200

No. : DTE-091

2.General: When loading paper, the sponge roller applies force in the direction shown in the
illustration. As a result, the sponge roller tends to peel off from the shaft. T o prevent
peeling, a rubber bush was added to the flank of the sponge roller.

3.Reason: Improvement of the sponge roller

4.Description: To prevent peeling, a rubber bush was added to the flank of the sponge roller (one side

only).

Rubber bush addition

Sponge roller

Paper

Direction of
applied force

SHARP CORPORATION Reprography Division

1/3

Green

C

Due to the rubber bush addition, the parts code for the sponge roller was changed.

Old New

0BL94X-12110/ 0BL94X-12050/

* The rubber bush will be available as service parts in order to added them to existing

sponge rollers on the market.

Rubber bush 0BL94X-12070/ Price rank

5.Action: For production: From October 1993.

2. Replacement period of elevator motor in finishing area

1.Model name: SD-F201 / F200

2.General: The following changes were made regarding the replacement period of the elevator

motor in the finishing area.

3.Description: Replace elevator motor every one millionth sheet (1000K). Replacement interval may
vary depending on actual printer usage.

P/G No. Parts code Parts name

47 -12 0BL051-100121 Elevator motor

* F1-01 or F1-05 appears as motor drive trouble. The brush wears down due to the

repeated movements of the CW/CCW during motor start-up/shutdown. When the brush
wears down, the motor doesn’t move and the trouble timer is set into action. This
causes F1-04 or F1-05 to appear in the mode.

3. Changes to IC drivers to improve productivity

1.Model name: SD-3076 / 2075

2.General: Changes were made to the IC driver for the following reasons.

3.Reason: Improvement of productivity

2/3