HP 5000 manual Screws should not be removed

Service Calibrations

7.Loosen the two T10 screws at the back of the Carriage Assembly.

NOTE The screws should not be removed.

8.Using the Belt, and beginning on the left hand side of the starting position (where the left hand edge of the paper is positioned when printing), move the Carriage Assembly back and forth along the length of the Printer. Listen for a scraping sound: if you hear a sound already you may proceed directly with step 9, if not you must lower the Carriage Assembly (step 8), and try again until a scraping sound is heard.

HP DesignJet 5000 Series Printers Service Manual 5-21