Canon LR1 Manuel de service télécharger pdf (Page 22)

2.4 Interface Specifications

2.4.1 Parallel interface

1) Interface type

IEEE 1284 parallel interface

2) Data transfer method

8-bit parallel transfer (Compatibility mode and nibble mode supported)

3) Signal level

Input

“Low” level: 0.0 V to +0.8 V

“High” level: +2.0 V to +5.0 V

Output

“Low” level: 0.0 V to +0.4 V

“High” level: +2.4 V to +5.5 V

4) Input/Output

+5 V pull-up for all signals

5) Interface cable

Cable: Twisted-pair, double-shielded cable, 2.0 m or shorter

Must conform to IEEE 1284.

Wire material: AWG (American Wire Gauge) No. 28 or higher

6) Interface connector

On printer: Amphenol 57-40360 or equivalent

On cable: Amphenol 57-30360 or equivalent

7) I/O signal and pin array

For details, see

“Part 5: CONNECTOR LOCATION AND PIN ARRAY” on page 5-13

2.4.2 Serial interface

1) Interface type

USB (Universal Serial Bus conforming to USB Specification Revision 1.0)

2) Data transfer method

Control transfer

Bulk transfer

3) Signal level

-Data, +Data

Difference input sensitivity: +0.2 V (Min.)

“H” level output voltage: +2.8 V to +3.6 V

“L” level output voltage: +0.0 V to +0.3 V

Vcc

“H” level input voltage: +2.0 V to +5.5 V

“L” level input voltage: +0.0 V to +0.8 V

4) Input/Output

3.3 V pull-up for +Data signal

5) Interface cable

Cable: Twisted-pair, shielded cable, 5.0 m or shorter

Must conform to USB.

Wire material: AWG (American Wire Gauge) No. 28 or higher

6) Interface connector

On printer: USB with series-B receptacle

On cable: USB with series-B plug

7) I/O signal and pin array

For details, see

“Part 5: CONNECTOR LOCATION AND PIN ARRAY” on page 5-13

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Canon LR1 Manuel de service Page 22

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