Service manual
Adjustment
3.
Press the FORM FEED button. The printer prints five test patterns. The
pattern corresponding to the current value of VR2 is the middle pattern. For
example, in Figure 4-6, VR2 equals +4 (pattern 3).
Figure 4-6. LQ Mode Test Patterns
4.
Select the best-aligned pattern as described here:
a
If the best-aligned pattern is just above the middle pattern, press the
FORM FEED button once.
If it is the top pattern, press the FORM FEED
button twice. (See Table 4-3.)
0
If the best-aligned pattern is just below the middle pattern, press the
LINE FEED button once. If it is the bottom pattern, press the LINE
FEED button twice. (See Table 4-3.)
For example, if the best-aligned pattern is VR2 = +5 (pattern 4), press the
LINE FEED button once.
5.
Press the ON LINE button to print the pattern you select.
6.
Check the alignment of the printed pattern. If it is not satisfactory, return to
step 4.
7.
To set VR2 for the best-aligned pattern, turn VR2 until the buzzer sounds.
8.
Turn off the printer.
LQ2OO/AP3000
4-9