User`s manual

EC-520 User’s Manual

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“No check mode” is the factory default setting.

④ Data Length

Data length is pre-set by 8 bits with no change.

⑤ Stop Bit

Stop bit Data length is pre-set by 1 bit with no change.

⑥ Control mode

DTR/DSR, XOFF/XON;

“DTR/DSR” is the factory default setting.

⑦ Black mark setting

Black mark setting can be selected by “Black mark invalid “ or “Black mark valid “. “Black

mark valid “is selected in the factory default setting.

⑧ Print direction

Bidirectional printing and Unidirectional printing;

Bidirectional printing is the factory setting.

⑨ Paper width

76mm and 57.5mm

3.4 Self-Test Function

■ Self-Test Mode

While pressing the FEED key and holding on, turn on the printer. The printer sounds one beep, and

you should release the FEED key at the same time. The printer will print the self-test. As shown in the

following figure.

Parallel Interface

Serial Interface

ure 3-4 Sel

-test sample