
DP750 User's Manual
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LOAD/EJECT
COPY
When offline, press LOAD/EJECT key can control cut sheet or tractor paper feeding. In
cut sheet mode, if you press LOAD/EJECT key when offline, the paper will be ejected.
In tractor paper mode, if you had fix tractor chain wheel, press LOAD/EJECT key when
offline, the paper will be fed to the printing home position. The printer now being in the
online mode. You need to being in the offline mode again, then press LOAD/EJECT
key, paper will be fed to the tear position. Press it one more time paper will again back
to the ready position, repetition.
In the online mode, pressing the COPY key, alternates among the NORMAL, COPY
"1+3" MODE, and COPY "1+6" MODE.
LF/FF
In the offline mode, press the LF/FF key to feed the paper line by line. Alternatively,
hold the key down for several seconds, the printer will eject the cut sheet, or the tractor
paper will be reversely fed to the top-of-form position of the next page.
SPEED In the offline mode, pressing the SPEED key alternates among the three modes: the
NORMAL SPEED mode, the HIGH SPEED mode and SUPER HIGH SPEED mode. (In
the graphics printing mode, the impacts of HIGH SPEED mode and SUPER HIGH
SPEED mode are the same.
4.3 Bill Print Function
In ONLINE mode, holding COPY key 3 seconds, after beep once, the printer enter “Invoice of
value-added tax” print mode.
In ONLINE mode, holding SPEED key 3 seconds, after beep once, the printer enter “Bill” print mode.
Note: Under “Invoice of value-added tax” mode, the printing home position can not be adjusted.
4.4 Printing Home Position Adjustment Mode
The printing home position setting determines the margin between the top of paper and the first printed
line (the top margin).
In the ONLINE mode, press the LF/FF key for about 3 seconds to enter the printing home position
adjustment mode. The ONLINE and PAPER OUT LED will blink alternating.
Use the COPY/LOAD/EJECT and LF/FF keys to alter the printing home position setting:
COPY/LOAD/EJECT: Increase the printing home position by 1/60 inch. You can increase the margin to
a maximum of +60 increments (+60/60 inch) from the factory setting.
LF/FF: Decrease the printing home position by 1/60 inch. You can decrease the margin to a maximum
of -10 (-10/60 inch) from the default setting.
To exit and save your new setting, press the ONLINE button. The PAPER OUT LED and ONLINE LED
blink simultaneously 2 times with two beeps, and then the PAPER OUT LED and ONLINE LED will be
on.
Note: When the printing home position is in the maximum, press LOAD/EJECT key, the printer
will not increase.
When the printing home position is in the minimum, press LF/FF key, the printer will not
NOTE
If the tractor paper is out while printing, please press ONLINE key after feed in the tractor
paper again.
NOTE
Your application software usually sets your top margin. You shouldn’t need to change
the printing home position setting very often.
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