Bi-D. Adjustment; Errors - Epson LQ-300 + Service Manual

EPSON LQ-300+

1.4.2.4 Bi-d. Adjustment

Bi-d. adjustment can be performed by users. Bi-d. adjustment method is as follows.
1. Turning the printer on while pressing the Pause switch. The guide to adjust Bi-d
alignment in this mode and the first alignment pattern will be printed.
2. Select the most closely aligned number by pressing the LF/FF (
( ↑ ) switches.
Font LEDs and Pause LED 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 according to the selection.
3. Fix the selected number by pressing the Tear-Off switch.
Selected number is fixed and the next alignment pattern is printed.
4. Repeat step 2 to 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 Bit Image (ESC *26H) Mode
3. Bi-d. adjustment for LQ mode
5. Turn the printer off.
The setting is stored into non-volatile memory.
Product Description

1.4.3 Errors

Paper out error:
When the printer fails to feed a sheet, it goes a paper out error.
Release lever error:
When release lever position is wrong, it goes a release lever error.
↓ ) and Load/Eject
Fatal error:
Carriage control error and Power supply voltage error.
OPERATOR CONTROLS
Revision C
21