Parallel Interface Specifications - Epson LQ 670 Product Information Manual

EPSON LQ-670
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)
4 - EPSON LQ-670
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
Adaptable connector: 57-30360 (Amphenol) or equivalent
Synchronization:
Handshaking:
Signal level:
Reverse channel
Transmission mode: IEEE-1284 Nibble Mode
Adaptable connector: 57-30360 (Amphenol) or equivalent
Synchronization:
Handshaking:
Signal level:
Data transmission
timing:
Extensibility request: The printer responds to the
3/97
mode
STROBE pulse
BUSY and ACKNLG signals
TTL compatible (IEEE-1284 level
1 device)
Refer to the IEEE-1284 specification
Refer to the IEEE-1284 specification
IEEE-1284 Level 1 device
Refer to the IEEE-1284 specification
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