Dascom DM-220 User Guide - Manual (Page 22)

Tally Dascom DM-210/220
10
2 Control Panel Operation
The printer control panel consists of one Feed key, a green Power LED, a red Paper end LED and a red Error LED.
2.1 Feed Key
After installing ribbon cartridge and roll paper, you can do function test with feed key.
Funtion Operation Remarks
Self-test
Hold down the feed key; do not release
the key until you switch on the printer.
Bidirectional printing
adjustment
Press the feed key after the self-test.
The alignment parameter for
bidirectional printing will change
circularly along with pressing feed key
and the printer will print out the
reference typeface.
Hexadecimal Dump
After self-test, send any data from PC
to the printer.
Feed the paper for one line Press the feed key once.
Feed the paper
continuously
Hold down the feed key.
It won’t stop feeding until you
release the feed key.

If you do not need to enter the alignment (self-test), please switch off the printer and restart the printer for
normal operation.

When typefaces are blurred or vertically misaligned, it is necessary to do the bidirectional printing quality
adjustment.

When self-test is OK but on-line printing error occurs, you can check the communication between PC and
program via Hexadecimal Dump mode. At Hexadecimal Dump mode, the printer will print out hexadecimal
data once it receives the signal from PC. You can ask technical service or dealer for analysis.