Service manual

LX-300+ Revision A
Product Description Operation 28
1.4.2.4 Bi-d. Adjustment
Bi-d. adjustment can be adjusted by users. 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 and the first alignment pattern will be
printed.
2. Select the most closely aligned number by pressing LF/FF (
↓
) and Load/
Eject (
↑
) 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 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 NLQ mode.
Following adjustment is executed.
- Bi-d. adjustment for high speed draft mode
- Bi-d. adjustment for draft mode
- Bi-d. adjustment for NLQ mode
5. Turn the printer off.
The setting is stored into non-volatile memory.
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.
 Fatal errors:
Carriage control error and Power supply voltage error.