HP Designjet 4000 Service Manual - Page 162

Service Calibrations This Calibration will be available from FW Version 3.x.x.x 6. Platen Blue Line Calibration The purpose of this Service Calibration is to calibrate the blue line which is marked on the Print Platen. Make sure you unload media before performing this calibration. Perform the Platen Blue Line Calibration whenever: „ Center Platen is disassembled or replaced. Perform the Platen Blue Line Calibration as follows: 1 In the Service Calibrations submenu, scroll to "Platen blue line calib." and press Enter. Press Enter 2 When the following message appears on the front panel, you must select whether you would like to continue with the calibration by pressing the Enter key. Press Back or Cancel to exit the calibration. Press Cancel or the Back key to Exit Press Enter to proceed 3 A message will appear on the Front Panel requesting you to raise the Media Lever and to place a sheet of white media on the Print Platen aligned with the Blue Line. Press the Enter key to continue once the sheet is in placed. Align sheet with Blue Line without covering it 5-20 hp designjet 4000 series printer service manual