Casio DR420TER Service Manual

DR-420TER (ZX-512)

INDEX

FEB. 2000

(without price)

DR-420TER

R

CONTENTS

1. SPECIFICATIONS ............................................................................................. 1

2. SCHEMATIC DIAGRAMS

2-1. Main circuit (1) ........................................................................................... 2

2-2. Main circuit (2) ........................................................................................... 3

2-3. Main circuit (3) ........................................................................................... 4

2-4. Key and switch circuit .............................................................................. 5

3. PARTS LIST....................................................................................................... 6

4. EXPLODED VIEW.............................................................................................. 7

1. SPECIFICATIONS

Ambient temperature range:0°C ~ 40°C (32°F ~ 104°F)
Power supply: Rated current and voltage are printed on the calculator.
Dimensions: 85 mm (H) × 217 mm (W) × 329 mm (D)

(33/8" H × 81/2" W × 13" D )
roll holder not extended

Weight: 1.9 kg (4.1 lbs)
Consumable supplies: Printer Ribbon (RB-02 or GB-02)

Consumable supplies: Roll Paper

*The AC outlet must be located near the unit and must be easily accessible.

CAUTION

Danger of explosion if battery is incorrectly replaced.

Replace only with the same or equivalent type recommended by the manufactuter.

Dispose of used batteries according to the manufacturer's instructions.

— 1 —