HP 3500cp Service Manual - Page 134

C09. Maintenance The purpose of this calibration is to read and, if necessary, adjust the preventive maintenance counter, which counts the number of swaths. This Calibration must be used to reset the Maintenance counter to ZERO after the Preventive Maintenance Kit has been installed in order to disable the Maintenance Advised" message on the frontĆpanel. This calibration must also be used to set the correct value when replacing a new Electronics Module. Perform the Maintenance Calibration as follows: 1 In the Calibrations submenu, scroll to C9 Maintenance" and press Enter. Calibrations C9 Maintenance 2 The Swaths: #### / Set New Number" message is displayed. If you are about to replace the Electronics Module, you MUST note down the Swaths Counter (####). 3 If you need to adjust the swaths counter, press the Down Arrow key. You should adjust the counter to the number that you noted before replacing the Electronics Module. 4 The New Swath Counter message will be displayed on the frontĆpanel. Use the following keys to adjust the swaths counter. D Up Arrow Ć Increase the Counter Digit. D Down Arrow Ć Decrease the Counter Digit. D Enter Ć Select the Next digit. 5 When the last digit is entered, the 0900 Done" message is displayed on the frontĆpanel. The new number will then be fixed and saved in the EEROM. 5-18 HP DesignJet CP Series Printers Service Calibrations