SHARP DTE304 Technical Report

DUPLICATOR : SD-4085

Date

:

Jul. 11, 1997

No. : DTE-304

1. MEASURE TO ALLEVIATE PROBLEMS OF COPY IMAGE
MISALIGNMENT IN THE RDH.

2. MEASURE TO IMPROVE PERFORMANCE OF COPY PAPER FEEDING
OPERATIONS IN THE RDH.

1. Measure to alleviate problems of copy image misalignment in the RDH.

1.Model Name: SD-4085

2.General: The changes described below have been carried out as a measure to alleviate problems

of copy image misalignment in the RDH.

3.Description: 1) A change has been carried out in the spring pressure of the retainer spring of the PS

roller in the RDH switch back unit.

2) An SBI stopper sheet has been added to the SBI inside paper guide in the RDH
switch back unit.

Attachment direction

Center symmetry of the SBI
stopper sheet hole section
and the PG hole section.

Metal plate edge section and
mylar bend section standard

SBI stopper sheet

Wipe the attachment section with alcohol

Center symmetry of the SBI
stopper sheet hole section and
the PG hole section.

P/G on the inner side of the
SBI
PGIDH1676FCZZ

Align with the center of the hole in the metal
plate and SBI stopper sheet hole.

3) A change has been carried out in the shape of the SBI sheet in the RDH switch back
unit.

SHARP CORPORATION Reprography Division

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Green

C

4) A mylar sheet has been added to the no. 1 register front of the no. 1 exposure paper
guide in the RDH exposure frame unit.

No. 1 register front mylar
PSHEP4511FCZZ Q’ty: 4

4.Action: From the start of 1997 April production.

2. Measure to improve performance of copy paper feeding operations in the RDH.

1.Model Name: SD-4085

Standard

No. 1 register front mylar

2.General: A change in the shape of some of the parts in the RDH blower air duct unit has been

carried out. These changes have been carried out as a measure to improve the
performance of copy paper feeding operations in the RDH.

A change has been carried out in the shape of the blower air duct front.
A change has been carried out in the shape of the blower air duct rear.
A change has been carried out in the shape of the blower nozzle duct.
A change has been carried out in the shape of the gate.
A change has been carried out in the outer diameter of the SB2 idle roller.(ø16 → ø18)
The washer has been discontinued.

Discontinued washer

Drive roller shaft
NSFTZ2356FCZ1

Grease receiving groove

3.Action: From the start of 1997 April production.

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