SHARP CPT012 Technical Report

Date: Dec. 6, 1993

DYE-SUBLIMATION THERMAL PRINTER ENGINE: JX -7000

1. CONTROL CIRCUIT BOARD CAPACITOR CHANGE.

2. ADDITION OF HEAD SIGNAL CABLE FIXING BAND.

3. ADDITION OF I/F CONTROL CIRCUIT BOARD CAPACITOR
ARRAY.

No. : CPT-012

1. Control circuit board capacitor change.

1.Model name: JX-7000, JX-7000PS

2.General: The Tantalum Capacitor (35WV, 3.3µF) used in the control circuit board has been

changed to an aluminium electrolytic capacitor (50WV, 3.3µF).

3.Action: From July, 1993.

2. Addition of head signal cable fixing band.

1.Model name: JX-7000, JX-7000PS

2.General: A fixing band has been added to the head signal cable to prevent the wires from being

cut.

3.Description: The head signal cable will be fastened down as shown in the diagram below after being
clamped by the ferrite core.

Added fixing band.
LBNDJ2003SCZZ

Ferrite core. (EFC25N)

Head singal cable.

4.Action:

SHARP CORPORATION Printer and Scanner Division

From mid-April, 1993.

1/3

Orange

C

3. Addition of I/F control circuit board capacitor array.

1.Model name: JX-7000

2.General: Capacitor arrays (220pF x 8) and jumpers with coincide with electromagnetic

interference (EMI) standards have been added to the I/F control circuit board, and one
cut was made on the negative mask.

3.Description: Capacitor arrays (220 pF x 8) and jumpers have been added, and a single cut in the
negative mask of the circuit pattern has been added as shown in the diagrams below.

<Backside view of the I/F

Added jumper.

Fix with hot melt adhesive.

1φ Tube.

Added capacitor array (220 pF x 8).

control circuit board.>

Added capacitor array (220 pF x 8).

4.Action: From November, 1992 (For Europe and Australia).
From December, 1992 (For Hong Kong).
From January, 1993 (For the United Kingdom).

2/3

Cut on the negative mask.