HP 8550 Service Manual - Page 92

Copier, adjust mode, ADJ-XY details Image-read start positions (X-direction and Y-direction) will return to the standard settings when the reader controller PCB is replaced, the RAM on the reader controller PCB is initialized, or the DIMM is replaced, requiring you to reenter the settings. Record new settings on the service label on the copy module if you have changed the settings or replaced parts. Copier, adjust mode, CCD details l If you replace the standard white plate, you must enter the values indicated on the bar code of the new standard white plate. l If you replace the CCD, you must enter the values indicated on the bar code of the new CCD. Enter the values in service mode, and then record the values on the service label on the copy module. Copier, adjust mode, IMG-REG details (color image displacement) Higher settings move the pattern toward the trailing edge. The range is -7 pixels to +8 pixels (with 0 as the standard setting). To change a setting: 1 Enter the setting. 2 Press OK. 3 Select FUNCTION > MISC-P > DC-LOAD. 4 Press OK. 5 Turn off and then back on the control panel power soft switch. 6 Perform auto gradation adjustment. 90 Chapter - 3 Operational overview EN