HP Designjet 2800/3800cp Service Manual - Page 315
button. Make sure that you are in the Full menu mode
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Cleaning the Drive Roller WĂAĂRĂNĂIĂNĂG The drive roller cleaning procedure should be performed only by HP trained personnel: otherwise personal injury may occur. If ink is spilled on the drive roller, remove the ink. Due to the ink's reflectance, ink on the roller can disrupt the Printer's edge-sensing function. To remove any ink from the roller, perform the following procedure: 1 Make sure the printer is switched OFF from the power switch on the back of the printer and not from the standby button on the front of the printer. 2 Hold the UP and ENTER keys down and switch the printer ON. Wait until the message "Status/Initializing" is displayed on the front-panel before releasing the UP and ENTER keys. 3 Once the message "Status/Ready" is displayed on the front-panel, press the Enter key. 4 Use the Arrow keys to scroll to the "Utilities" menu display and press the Enter button. Make sure that you are in the Full menu mode because otherwise you will not be able to access the "Service Tests" submenu. 5 Use the Arrow keys to scroll to the "Service Tests" menu display and press the Enter button. 6 Use the Arrow keys to scroll to the "Diagnostics" menu display and press the Enter button. 7 Using the Up Arrow button, scroll to reach the following display and press Enter: Diagnostics D15 Clean Roller 8 The "Unload Media" message is displayed on the front-panel. Remove the media (if loaded). 9 The "Move Roller" message is displayed on the front-panel. Use the Up Arrow to rotate the drive roller clockwise and the Down Arrow to rotate the drive roller counter-clockwise. 10 Open the window and apply any common household cleaning solution (water based only) to a soft, lint-free rag and apply it to the drive roller surface while it is rotating. Thoroughly clean the roller surface. Also make sure that you clean the mark encoder on the left side of the driver roller. 11 Press Previous when you have completed the cleaning procedure. The "D1500 Done" message is displayed on the front-panel. Preventive Maintenance HP DesignJet CP Series printers 9-3