Service manual

EPSON LX-300+ Revision A

Adjustment Overview 87

15. Input the printing mode and the settings you want to use and input

ENTER (Write) to confirm it. Press space key and the following printing

pattern will be printed.

16. Repeat step 14 to 15 until the value “A” shown below goes within the

range below for one line for all columns.

Figure5-2. Bi-D Adjustment Pattern

17. When you finished adjustment, finish the program by pressing “ESC”

several times.

HHHHHHHH

Table 5-4. Bi-D Rated Setting

Printing Mode Value “A”

mode 0 (High Speed draft) TBD

mode 1 (Draft) TBD

mode 4 (NLQ) TBD

CAUTION



This test program used here is originally the program for

production line. Operations that are not described in this

manual are forbidden thereafter.

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The adjusted value will not be stored to the EEPROM on

the main board assembly until the printer is turned off.

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Clear EEPROM by the panel operation does not clear Bi-D

setting.