Kyocera TASKalfa 2550ci, FS-C8020MFP, FS-C8520, FS-8025MFP, FS-8525MFP SERVICEBULLETINS 2MV 0015 D099

Service Bulletin

(Page.1/2)

Ref. No. 2MV-0015 (D099)

<Date> May 21, 2013

Subject Measures against the Leading Edge Color Registration Shift and J401x/J4101/J4102/J4103/J4104 Jams

Model TASKalfa 2550ci, FS-C8025MFP, FS-C8020MFP,

FS-C8525MFP, FS-C8520MFP

KDC's Classification	Entire Stock Rework	In-Field modification at next visit
	In-Field modification by case	No modification necessary

Field Measures:

Please apply the assembly (No.1) when the phenomena described below arise.

Also, please refer to the illustrations below for distinction of the old and the new shaft (No.2).

Serial Nos. of the Affected Machines: From the May 2013* production (Plan)

* The above is the plan at the present moment. Please note that this information is subject to change.

Topic

The shaft of the one-way clutch to drive the middle transfer unit might be worn. In this state, the drive might not be correctly delivered and accordingly, the color registration shift at the leading edge or JAM(*) might occur. Therefore, the following changes were made.

*J4012/J4013/J4014: Registration sensor stay jam J4101/J4102/J4103/J4104: Pre-fuser sensor non arrival jam

(Notes)

For the FS-C8025MFP and FS-C8020MFP not using the DV-896(302MY9****) and the latest firmware in the Upgrade Pack Ver.6.00 or later (Engine FW: 2K0_1000.010.002 or later), the function of the one-way clutch is not applied. Therefore, the shaft wear does not occur.

Content of Changes

1)In order to increase the strength of the shaft (No.2), the material was changed from SUM24L to SUS303 or SUS304.

2)Due to the change above, the assemly of the shaft (No.2) and its neighboring parts (No.3 to No.6) is now supplied. Accordingly, the supply of the individual parts of No.2 to No.6 was discontinued.

Cross section

Rear side of machine

	No.4	No.6
No.3

Middle drive unit

			No.5	One-way
				clutch
			Middle transfer unit drive gear		No.2
Middle transfer unit			Shaft at one-way clutch might be worn.
<PARTS DRIVE MIDDLE TRANS SP (No.1)>
Assembly of the parts No.2 to No.6 is shown in the cross section above.

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