Epson FX-286 Manual

A SERVICE OF

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4. Data transfer must be carried out by observing the ACKNLG or

BUSY signal. (Data transfer to this printer can be carried out only

after receipt of the ACKNLG signal or when the level of the BUSY

signal is LOW.)

5.

Under normal conditions, printer cable pins

11, 12,

and 32 are acti-

vated when the paper-out condition is detected. The ESCape”8”

code disables pins

11

and 32, but not pin

12.

Those computers that

monitor pin 12 halt printing when the paper is out, making ESCape

“8” ineffective.

Data Transfer Sequence

Interface timing

Figure E-1 shows the timing for the parallel interface.

Figure E-1. Parallel interface timing

Printing enabled/disabled signals and control conditions

Table E-2 shows the relationship between printing being enabled or

disabled, and the on-line/off-line condition, the printer select signal

(SLCT IN), and the receipt of data on/off control character,

DC1/DC3.

E-3