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Parallel Interface Specifications
The printer comes with a bidirectional, 8-bit, parallel interface; a serial
interface; and an optional interface slot.
Forward channel
Transmission mode:
Adaptable connector:
Synchronization:
Handshaking:
Signal level:
Reverse channel
Transmission mode:
Adaptable connector:
Synchronization:
Handshaking:
Signal level:
Data transmission
timing:
Extensibility request:
A-18
Specifications
8-bit parallel, IEEE-1284 compatibility
mode
57-30360 (Amphenol) or equivalent
STROBE pulse
BUSY and ACKNLG signals
TTL compatible (IEEE-1284 level 1 device)
IEEE-1284 Nibble Mode
57-30360 (Amphenol) or equivalent
Refer to the IEEE-1284 specification
Refer to the IEEE-1284 specification
IEEE-1284 Level 1 device
Refer to the IEEE-1284 specification
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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