x-Lab Dot Matrix Printer XDP-321 User's Manual
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5. Make sure the edge guide positions are correct. Position the edge guides at the triangular guide
marks.
6. Check that the holes on both sides of the paper are aligned with each other. Also, make sure the
sprocket units are locked and their covers are closed.
7. Check whether the paper specifications meet the standard request according to the Appendix A.
Phenomenon 3: The paper does not eject completely.
Solutions:
1. May be the page length is too long. When using the draught tractor, tear off the paper having
entered the printer, then press the
LF/FF
button to feed the paper forward. When using the drive
tractor, tear off the last paper printed out, then press the
LOAD/EJECT
button to feed the paper
backward.
2. Please make sure the paper length is within prescribed range. (Refer to the paper specifications in
Appendix A)
Phenomenon 4: When you switch between cut sheet and tractor paper, the beeper sounds
several times and the online indicator is off.
Solutions:
There is paper left in the paper in channel while you change the paper select lever position.
Return the paper select lever to the previous position and eject the paper. Then change the
paper select lever position again.
4.4 Alignment Adjust Mode
Enter the alignment adjust mode to improve the print quality when the printer has been used for a long
time.
1. Turn on the printer, load paper and then turn off the printer.
2. Entering method of alignment adjust mode:
In the online mode, press and hold on the
LF/FF
key and
TEAR
key until the
Power
and
ONLINE
indicators blink simultaneously, the printer enters LQ and DP alignment adjust mode (DP alignment
adjust and LQ alignment adjust mode are adjusted respectively), then the printer would print out the
LQ alignment state.
3. After entering the alignment adjust mode, press the following keys to adjust the degree of make
columns:
EJECT/LOAD
Each press on this button, the even line would move left with one step (the
maximal movable steps are 30)
LF/FF
Each press on this button, the even line would move right with one step (the
maximal movable steps are 30)
TEAR
Switch to the next DPI adjust state
ONLINE
Store current setting to the printer (Power and ONLINE indicators blink
simultaneously several times)
4. Restart the printer and exit the alignment adjust mode.
Note: When the gap adjust lever is in the position of 2 or above, the printer is in copy mode
automatically. Users can set the gap adjust lever according to specific paper type (cut
sheet or tractor paper), then adjust the alignment as the steps below.
Note: Alignment adjust mode would affect the printing quality, think it over before adjust it
and be strict to the instructions while adjusting.