Bi-D Adjustment - Epson LQ-300 + Service Manual

EPSON LQ-300+

5.1.2 Bi-D Adjustment

Bi-D adjustment is required at the following cases.
Main board assembly is replaced.
Printer mechanism is replaced.
Printer mechanism is removed.
Follow the caution items below, and then, perform the steps for the platen gap
adjustment.
This test program used here is originally the program used for
C A U T I O N
production line. Therefore, operations that are not described in
this manual are forbidden to use.
The adjusted value will not be stored to EEPROM on the main
board until the printer is turned off.
Clear EEPROM by the panel operation does not clear Bi-D
setting.
Since Uni-direction is compulsory set, make sure to set the first
page of FF paper, and then, start Bi-D pattern.
1. Connect the printer and the host computer by parallel interface cable.
2. Turn on the PC and the printer.
3. Set FF paper to the printer.
4. Insert FD that contains the adjustment program and click "Gwbasic.exe" in the
disk to execute GWBASIC. The following DOS prompt screen appears.
Adjustment
5. Press F3 or input "Load," and "U10A00V.bas". Press ENTER.
6. After appearing OK, press F2 or input "Run".
7. The program will ask you the production line No. Ignore it and press ENTER.
8. The model selection screen appears. By using
select the model name, "LQ-300+ "and press ENTER.
Overview
Revision C
↑ or ↓ key to shift the">" mark,
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