Bi-D Adjustment - Epson LQ-670 Service Manual

4.2.3 Bi-d Adjustment

Bi-d adjustment can be done either by the panel operation or adjustment program.
This section describes Bi-d adjustment by the program.
1. Plug off the cable of the printer from the AC socket.
2. Connect the printer and the PC by the parallel interface.
3. Plug in the cable of the printer and turn on the printer.
4. Set the release lever to the tractor side and set the 12-inch continuous paper(1p).
5. Load "GWBASIC" and execute the adjustment program. After setting destination and printing, following
main menu is displayed.
6. Select Bi-D Adjust by moving the moving the cursor with the or
selection is made, the following menu is displayed.
7. Select Mode 1 by moving the cursor with the or
be printed.
Rev. A
and press SPACE key. 4 lines of Bi-D pattern will
Figure 4-2. Bi-D Adjustment
Chapter 4 Adjustments
and press ENTER key. After the
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