Epson EPL-5500W, Service Manual

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4.1 ADJUSTMENTS
This section describes the adjustment procedures for the EPL-5500W. You must perform these adjustments
after servicing the printer, especially when any component or part is replaced.
4.1.1 Print Position Adjustment
You can adjust the vertical print position on a sheet of paper by turning the image synchronizing volume
control on the main board (C180 MAIN). After replacing a main board, be sure to adjust the print position
using the procedure below.
1. Connect the EPL-5500W to LPT1 port of PC. And set the A4 size paper.
2. Install the EPL-5500W printer driver.
3. Set paper size to A4 setting by PCL Emulation Front Panel window.
4. Copy the adjustment printing data file
lj4a4.bin
to
c:\
drive.
5. Open the DOS Prompt window.
7. Type the
copy /b lj4a4.bin lpt1:
, and then
Enter
. Printer print adjustment printing sheet.
8. Check that the registration gap between the leading edge of the sheet and the horizontal line printed on
the page is within the following range:
4.2
±
2.5 mm (0.17
±
0.1 inches) for a adjustment printing sheet on A4 paper:
If the gap is not correct, adjust the print position as described in the next few steps.
9. Turn printer power off.
10. Open the right cover and shield plate. (See Chapter 3.)
11. Adjust the image synchronizing adjustment volume (VR1) on the main board (C180 MAIN) so that the
gap for the print position of the horizontal line (down from the top edge of the sheet) becomes 4.2 mm
(0.17 inches) .
Turn VR1 clockwise to increase the gap for the print position of the horizontal line.
Turn VR1 counterclockwise to decrease the gap.
12. Turn on the printer.
13. Print a adjustment printing sheet again (Step 7) to check the print position.
14. Repeat steps 8 to 13 until the print position is 4.2 mm (0.17 inches).
15. Reattach the shield plate and right case.
4.2 mm
Leading Edge
Figure 4-1. Print Position Adjustment
EPL-5500W Service Manual Adjustments
Rev. A 4-1