SHARP SP1707 Technical Report

Date: Mar. 31, 1994

COPIER : SF-9400

No. : SP-1707

PREVENTION OF DAMAGE TO THE SHAFT SECTION OF THE TONER BOX COVER.

1.Model name: SF-9400, 8570, 8870, 8875.

2.General: Due to assembly inconsistencies, if the toner hopper is set when the lid of the toner box

is not closed properly, the bent portion of spring L sometimes gets caught on the edge of the toner lid. This causes undue pressure on the shaft section of the lid, from which damage to the shaft can occur. To alleviate this problem, the load of the right and left spring L has been changed. The shape of spring L has also been changed. Note: the changes described above are changes designed to improve the overall performance of the unit. The basic cause of the problem described above is that the toner hopper is set without completely closing the lid of the toner box properly. When this is done, the MG catch section of the machine presses down upon the lid of the toner hopper, causing a heavy load to be put on the shaft section when the lid closes. The user should be instructed to hold the areas marked by green with both hands, and insert the toner hopper until it is securely set by the magnet clamps.

3.Description: The load of the hopper lid spring and the diameter have been changed. In addition, the direction of the bent end of the spring on the left side has been changed so that it bends outward.

Load: 25 Kg → 16.5 Kg Diameter: φ1.0 → φ0.9

Changed load of spring R.

Damage has occurred to this shaft.

Changed load of spring L and direction of bent edge changed so that it bends outward.

1/2

SHARP CORPORATION Reprography Division

Green

4.Action: (Factory action)

From 1994 February production.

Ref.

Model

No.

SF-9400

1. Interc ha ng ea bl e. 4. N ot i nt er ch an ge ab l e.

2. Current type can be used in place of new type. New type cannot be used in place of current type.

3. Current type cannot be used in place of new type. New type can be used in place of current type.

Parts marked with “ ” is important for maintaining the safety of the set. Be sure to replace these parts with

specifie d on es fo r m ain taining t he s a fe ty an d pe rf o rma nc e o f th e s et .

name

8870 8570 8875

Version P/G No.

8 -30 MSPRP1784FCZZ MSPRP1784FCZ1 AC Spring L ’94/2 3

All

8 -31 MSPRP1785FCZZ MSPRP1785FCZ1 AC Spring R ’94/2 3

Current parts New parts

Parts code Parts code

5. Interchangeable if replaced with same types of

6. Others .

Price

relate d parts in use .

Parts name

rank

Effec-

tive

time

Inter-

change-

ability

Note

2/2