Bi-D Adjustment - Epson LQ-670 Service Manual

LQ-670 Service Manual
Note*1): One of these fonts selected in the default setting is corresponding to others(=other fonts) on
the control panel. Following fonts are not selected in the default setting mode.
Draft, Roman, Sans serif, Courier, Prestige and Script
Note*2) : These settings are effective when IBM 2390 Plus emulation is selected.
Note*3 ): Settings with bold weight mean the standard factory settings.
Note*4 ): "Italic Denmark" is as same as "Italic Denmark 1", and "Italic Spain" is as same as "Italic Spain
1".
Note*5): Hebrew7, Hebrew8, PC862 are not selected in the default setting mode.

1.4.3 Bi-d Adjustment

Bi-d adjustment can be adjusted by users. By using this mode, the gap of lines; line for right printing
direction and line for left printing direction can be adjusted. The setting value is stored in the EEPROM of
the main control board and retained even after the power is turned off. Bi-d adjustment method is as
follows.
1) Turning the printer on while pressing Pause switch.
The guide to adjust Bi-d alignment in this mode is printed and first alignment pattern is printed.
2) Select most closely aligned number by pressing LF/FF( ) and Load/Eject( ) switches.
Font LEDs show the pattern number which is selected at that time. The selection is advanced
one by one as the switch is pressed, and the combination of On/Off/ Blink of those three LEDs
is also changed by according to the selection.
3) Fix the selected number by pressing Font switch.
Selected number is fixed and next alignment pattern is printed.
4) Repeat 2)-3) until finishing Bi-d. adjustment for LQ mode.
Following adjustment is executed.
1. Bi-d adjustment for draft mode
2. Bi-d adjustment for draft copy mode
3. Bi-d adjustment for LQ mode
5) Turn the printer off.
Note) The setting values are stored into non-volatile memory and retained even if EEPROM is reset.
1-28
Rev. A