EC-520 User’s Manual
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
Invalid
“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
Figure 3-4 Self-test sample
■
Print-Pins Test
While pressing the
FEED
key and holding on, turn on the printer. The printer sounds two
beeps, and you should release the
FEED
key at the same time. The printer will print the
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