Duplex registration (HP Color LaserJet 8550) 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. Tray 2 Duplex Registration Adjustment Y Axis X Axis Figure 16. Duplex registration 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 Press S ELECT to store the value. An asterisk in the lower right corner of the display indicates the currently stored value. 8 Repeat steps 6 and 7 for the y axis. EN Duplex registration (HP Color LaserJet 8550) 107