DP321 User's Manual
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Chapter 2 Control Panel Operations
You can use the four keys on the control panel to operate your printer.
2.1 LED Description
LED OFF ON BLINK
ONLINE (Green) OFFLINE ONLINE Micro-Adjust
POWER (Red) TURN OFF TURN ON PAPER OUT or ERROR
LED 1, 2 Indicate the current printing speed
2.2 Basic Control Panel Operations
2.2.1 In the Tractor Paper Mode
TEAR
1. In the offline mode, if the paper is at the print position, press TEAR key once and the printer feeds paper
to the tear position.
2. In the offline mode, if the paper is at the tear position, press TEAR key once and the printer ejects paper
to the next page or the printing home position of the current page.
LF/FF
In the offline mode, if the paper is at the print position, press the LF/FF button once (less than 0.5 second),
the printer will feed the paper one line base on line spacing current setting. Alternatively, hold the LF/FF
button down, the printer will continuously feed the paper one page.
LOAD/EJECT
1. When the paper is at the ready position, press LOAD/EJECT once, the paper will be fed into the printing
home position automatically.
2. When the paper is at print position, press LOAD/EJECT button once in offline mode, if the ejectable
length of the paper is longer than the length of one sheet, the printer will eject the paper one page. If the
ejectable length of the paper is shorter than the length of one sheet, the printer will eject the paper to
ready position.
3. When the paper is at the tear position, press LOAD/EJECT once, the printer will eject the cut-sheet
paper.
ONLINE
1. If the printer has loaded paper in the offline mode, press the key to enter ONLINE mode, the ONLINE
indicator is on and the printer enters into the print mode.
Press this key in the online mode, the printer is offline, ONLINE indicator is off and the printer can not
print.
2. If the paper is at the tear position in the offline mode, press ONLINE button, the printer will go back to the
printing home position of the current page or next page.
Figure 2-1 Control pannel
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