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4.1.3 Head Gap Adjustment
(Black and Color head)
The
head gap printing alignment adjustment is required when the printer mechanism, the MAIN
board, or the
printhead
(board) is
replaced
or disassembled. This adjustment adjusts the head drive
timing
between the black head and the
color
head. If
this
adjustment is not made, the vertical
ali~ent
will not be completed.
1.
Connect the PC to the target printer and turn the printer on.
2. Execute BASIC on the PC and runtheprogram
“VERXXX.BAS”.
1. Destination setting
2. Head Angle Confirmation Pattern Printing
(Head Front/Rear Vertical Position Printing)
3. Head Front/Rear Vertical Position Confirmation
4. Head Gap Adjustment
5. Bi-D Adjustment
6.
Internal
Thner
Reset
7. END
3. When the main menu appears, choose
“Head Gap Adjustment” by entering “4” from the
keyboard. (The printer
pMts
the check pattern with a sample compensation value.)
4. The
printer
pMts
a sample such as the one shown in Figure 4-1.
5.
If the sample printing
isnotverticdy
aligned in both the odd-numbered lines
(Mackline)
and
even-numbered lines (magenta), enter a compensation value in the range from-8 to
+8.
■
Positive compensation value: Shifts the 2nd
line
to the left
■
Negative compensation value: Shifts the 2nd line to the right
When both the
black and magenta lines are vertically aligned, press
IYl
and ENTER; this
returns you to the main menu.
6.
Choose ’’END’’
byentering
”7”
fromthekeyboard.
~enextmessage
appears on the display.
All parameters
that you have
specified so far
are written to
EEP-ROM
upon power off.
I
Turn the printer OFF, Now!
I
7. Turnoff the printer.
Black line
Head Gap Adjustment
I
I
I
I
I
No. O
I
I
I
I
1’
1’
I
I
I
d
Color (Magenta) line
Figure 4-1. Head Gap Adjustment Sample
,,
4-4
Rev. A