HP Color LaserJet 8550 Multifunction Printer series - Manual (Page 55)

54 2 Using the Printer Control Panel EN
Duplex Registration
The duplex registration feature allows precise alignment of images on
the front and back of a duplexed page. Image placement varies
slightly for each input tray. The alignment procedure must be
performed for each tray.
Figure 6
1 Press M ENU until DUPLEX REGISTRATION MENU appears on the
printer control panel display.
2 Press I TEM until PRINT TEST PAGE appears for the tray you want.
3 Press S ELECT to print the page.
4 Hold the printed page up to a light source and choose the number
on each axis where the lines on the front and back of the page
align most accurately.
5 Repeat step 1.
6 Press I TEM until TRAY n X= appears and use -V ALUE + to enter the
number you selected from the test page in step 4.
7 Repeat step 6 for the y axis.
8 Press I TEM to scroll up through the duplex registration menu until
PRINT TEST PAGE appears for the tray you want.
Tray 2 Duplex
Registration
Adjustment
Y Axis X Axis