Toshiba f99k844 Service Note

BSI(Service Note) TOSHIBA

TOSHIBA TEC CORPORATION

2-4-1, Shibakoen, Minato-ku, TOKYO, 105-8524 JAPAN

BSI No

F99K844

SUBJECT

Adjustment of ADU Holding Gate Position

MODEL

CATEGORY

Other countermeasures

See below

CONTENT

When the following jam occurs very frequently, there is
a possibility that the duplexer (ADU) holding gate is not
installed at its correct position.
To correct the position of the holding gate, be sure to
make an adjustment based on this BSI for the front
and rear driving gears.

DP4580, DP5570, DP6570

FIELD APPLICATION

To be applied when necessary

FACTORY APPLICATION

Date

UNIT

ADD/ADU

99/11/11

DTM-F9X11

* E54 etc. JAM when the duplexer is used.
* E54 etc. JAM which occurs in copying in the first set
in the sort mode

Holding gate

An adjustment was given in which "When the front side driving gears are adjusted, l

the rear side driving gears also respond". But, It was found that "the rear side
driving gears may not respond". From the following numbers adjustment has
been made at the factory based on this BSI.

DP4580 :ZJ910707 DP5570:NJ913571 DP6570:LJ913007

This BSI has been altered to include "Rear side driving gears may not respond." for l
a previous BSI (No. F99D587).

Service Handbook

1.15 Adjustment of ADU

1.15.2. Holding gate position adjustment

When the holding gate is removed for replacement, for example, the holding gate position
must be adjusted when it is installed.
(1) When installing the drive gears of the holding gate, match each of the drive gear
positions with the positions of the dowels on the gear. Turn only the gear on the holding
gate in the direction of the arrow by 2.5 teeth, and install the drive gears.
(The front side gear need not be installed first, and the dowel on the rear side need not
be aligned.)

-> the dowels on the rear side must be aligned

Drive gear

BSI No. F99K844 Page 2

Holding gate

Front side driving gears

Adjusting gear

Rear side driving gears (addition)

Dowel

Note: Wrong illustration in Manual

Driving gear

Note (addition)

Adjust the front/rear side with the central gear.l
The spring clutch may lock when the gear is operated. So, turn the convex portion of the l
clutch unit to push the gear.

(2) Next, align the projection on the clutch unit of the holding gate, and fasten with an E-ring.