HP Designjet 2800/3800cp Service Manual - Page 137
C07. Color Calib. Only available in DesignJet 2500CP/3500CP printer, Enter
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C07. Color Calib. (Only available in DesignJet 2500CP/3500CP printer) The purpose of this calibration is to determine a correction function to be applied in PostScript in order to match the color reproduction of a nominal Printer. This Calibration is necessary to improve color consistency between different prints and different Printers. This calibration is also independent of color accuracy or matching color from a monitor to the Printer. Perform the Color calibration whenever: D Carriage is disassembled or replaced. D There is a color consistency problem between prints. D Refill Assembly is disassembled or replaced. D Electronics Module is replaced. Load media before performing this test. Perform the Color Calibration as follows: MAKE SURE THAT THE WINDOW IS CLOSED BEFORE YOU PERFORM THIS CALIBRATION. 1 In the Calibrations submenu, scroll to "C7 Color Calib." and press Enter. Calibrations C7 Color Calib. 2 If media is not loaded the calibration will stop and the message "Load Media" will be displayed on the front-panel. Load media in order to continue the calibration. 3 While the Calibration is being performed, the message "Calibrating Color" will be displayed on the front-panel. 4 If the calibration is performed correctly, the "C0700 Done" message is displayed on the front-panel. 5 If the calibration fails, the "C0701 Fail" message is displayed on the front-panel. If the calibrations fails, to resolve the problem, try one of the following: 1 If the calibration pattern is bad: D Try recovering the printheads using the front-panel menu and try the calibration again. D If the calibration pattern is bad again, then replace the complete Ink Delivery System of the color that is bad. 2 Perform the Electronics Test ' page 4-7. 3 Perform the Line Sensor Test ' page 4-10. 5-16 HP DesignJet CP Series Printers Service Calibrations