Epson LQ-670 Troubleshooting Guide download pdf (Page 4)

EPSON LQ-670

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EPSON LQ-670

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Mechanical

Paper feed methods:

Friction feed from front

Built-in push tractor

Cut-sheet feeder (optional)

Roll paper holder (optional)

Ribbon:

Black ribbon cartridge (S015016)

Ribbon life 2 million characters (at 10 cpi in letter-

quality mode with 48 dots/character)

Total print amount:

6.5 million lines (except print head)

Print head life:

200 million strokes/wire

MTBF:

5000 POH

Dimensions and weight (with paper guide):

Height: 10.1 inches (256 mm)

Width: 18.5 inches (469 mm)

Depth: 16.9 inches (429 mm)

Weight: Approx. 19.8 lb (9.0 kg)

Electrical

Rated voltage AC 120 V

Input voltage range AC 103.5 to 132 V

Rated frequency range 50 to 60 Hz

Input frequency range 49.5 to 60.5 Hz

Rated current 0.7 A

(maximum 2.2 A depending on

the character type)

Power consumption Approx. 30 W (ISO/IEC 10561

Letter pattern)

Environmental

Temperature:

Operation (without condensation):

41° to 95°F (5° to 35°C)

59° to 77°F (15° to 25°C)

for multi-part forms, envelopes, postcards,

and labels

Storage: -22° to 140°F (-30° to 60°C)

Humidity (without condensation):

Operation: 10% to 80% RH

30% to 60% RH (for envelopes and

labels)

Storage: 0% to 85% RH

Safety approvals

Safety standards UL1950 with D3

CSA C22.2 No.950 with D3

EMI FCC part 15 subpart B class B

CSA C108.8 class B

Acoustic noise:

Approx. 55 dB (A) (ISO 7779 pattern)

Parallel Interface Specifications

The printer comes with a bidirectional, 8-bit, parallel interface

and an optional interface slot.

Forward channel

Transmission mode: 8-bit parallel, IEEE-1284 compatible

mode

Adaptable connector: 57-30360 (Amphenol) or equivalent

Synchronization: STROBE

pulse

Handshaking: BUSY and ACKNLG

signals

Signal level: TTL compatible (IEEE-1284 level

1 device)

Reverse channel

Transmission mode: IEEE-1284 Nibble Mode

Adaptable connector: 57-30360 (Amphenol) or equivalent

Synchronization: Refer to the IEEE-1284 specification

Handshaking: Refer to the IEEE-1284 specification

Signal level: IEEE-1284 Level 1 device

Data transmission

timing: Refer to the IEEE-1284 specification

Extensibility request: The printer responds to the

extensibility request in the affirmative

when the request is 00H or 04H,

which means:

00H: Request nibble mode of reverse

channel transfer

04H: Request device ID in nibble

mode of reverse channel transfer

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Epson LQ-670 Troubleshooting Guide Page 4

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