SHARP CX220 Technical Report

Date: Aug. 19, 1996

COLOR IMAGE SCANNER: JX-250M

No. : CX-220

(Part change information)

1.REGARDING GREEN PIXEL PROBLEMS.

2.REGARDING UNIFORMITY PROBLEMS.

3.THE ADDITION OF AN ON-OFF LABEL TO THE DIP SWITCH.

1. Regarding green pixel problems.

1.Model Name: JX-250/M/P

2.General: If wiring is not handled properly, green pixel problems (spots) may occur. To prevent

this, we have changed how the LED cable and motor cable wiring is handled.

3.Description: We have changed the handling of the LED cable and motor cable wiring as shown in the
figure below. Furthermore, we have added a unifying band and acetate tape (2 locations).

Acetate tape

LED harness

PWB unit

Lower cabinet

Lamp cable

LED cable

Motor cable ← Added unified band
(LHLDW2107SCZZ)

CCD cable

Keep the LED cable near the
wall while handling the wiring.

Acetate tape

Added acetate tape
(PTEPZ7042XCZZ)

Unified band

Note: Always remove grease

before attaching tape.

4.Action: From 1996 mid-May production on.

SHARP CORPORATION Printer and Scanner Division

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Orange

C

2. Regarding uniformity problems.

1.Model Name: JX-250/M/P

2.General: In order to prevent uniformity problems, we have added a spacer to the main frame. We

have also changed the fixing screw for the lens from a hollow tip to a double point type.

3.Description: 1. We have added a frame spacer

(PSPAZ7077XCZZ) to the WB
side of the main frame.
(see figure to the right)

2. We have changed the lens fixing

worm screw.
XXXSP30L04000 → LX-BZ0193FCZZ

Changed worm screw

Lens

Added frame spacer
(PSPAZ7077XCZZ)

Main frame

4.Action: From 1996 mid-June production on.

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