Axiohm 7156 Dokumentacja Pobierz pdf (Strona 178)

7156 FS Updates for A756-8xxx 189-9102894

January 16, 1997 file name fs_a756.doc page 1 of 2

Enhanced features

Faster thermal print and knife cut

This table shows the progression from the original 7156, to the 7156-4xxx released in 1997, to

the A756-8xxx described in this appendix.

Model 7156-3xxx Model 7156-4xxx Model A756-8xxx

Dot line period

5.0 ms. maximum 3.0 ms. maximum 2.7 ms. maximum

Paper speed

1.3 in./second

33 mm./second

2.25 in./second

57 mm./second

2.44 in./second

62 mm./second

Print line rate,

at 7.6 lpi standard pitch

600 lines/minute

10 lines/second

1020 lines/minute

17 lines/second

1110 lines/minute

18.6 lines/second

Knife cut time

1.1 seconds 0.8 seconds 0.6 seconds

Transaction time to feed

last line past knife, and

cut

1.6 seconds 1.2 seconds 0.9 seconds

The thermal print speed is affected slightly by cold temperature and number of dots printed, but

standard text receipts at room temperature will run at the new higher speed. This duty cycle

limitation is imposed by the printer firmware. This table shows the new affect of temperature

and a moderately high dot density:

< 10 degrees C < 20 degrees C 20 to 75 degrees C

0 to 220 dots

42 mm per second 57 mm per second 62 mm per second

221 to 255 dots

42 mm per second 42 mm per second 57 mm per second

256 to 448 dots

High density print, no change to current operation.

Faster RS232 communications

The slowest baud rate, 1200 baud, has been replaced by 38.4K baud, twice as fast as the

previously highest rate of 19.2K baud.

The switch setting for 38.4 baud is the same as was used to select 1200 baud:

Switch 5 ON

Switch 6 ON

1 2 ... 173 174 175 176 177 178 179 180 181 182 183 ... 189 190

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