Epson LQ-670 Service Manual page 94

LQ-670 Service Manual
8. If 4 lines are not straight vertically, you can adjust by changing setting values with
„If the second and fourth lines are printed right side, compared with the first and third lines, change
the setting value by pressing
pressing SPACE key.
„If the second and fourth lines are printed left side, compared with the first and third lines, change
the setting value by pressing
pressing SPACE key.
Repeat the procedure until the 4 lines line up vertically and Bi-d dispersion becomes under
0.1mm. After adjustment of Mode 1 is completed, repeat the same procedure for Mode 2 and
Mode 4.
9. After adjustment is completed at each mode, the setting value is registered by pressing ENTER key.
10. To exit the program, press ESC and complete the program regularly and turn off the printer.
; Since the setting values are registered in EEPROM of the main board when the printer is turned
off, make sure to turn off the printer after adjustment program is completed.
; Since this printer uses the secondary switching and AC voltage is charged on the primary side,
make sure to plug off the AC cable when you pull in or out the interface.
; Since GWBASIC system and all other necessary files are included in the disk of the adjustment
program, load from the disk when you perform adjustment.
; In the adjustment program, other items which is not necessary for this adjustment are also
included. However, we can not guarantee the normal printer operation if the item, which is not on
the manual, is selected.
4-6
key. Then, printing pattern with the new setting will be printed by
key. Then, printing pattern with the new setting will be printed by
CAUTION
or key.
Rev. A