HP 3500 Service Manual - Page 127

NOTE If the old transfer unit was not at end-of-life when it was replaced (for example, if it was damaged), the transfer unit count must be reset using the printer control panel. Replacing the transfer unit when it is not at end-of-life If you replace the transfer unit when it is not at the end-of-life, for instance if it is defective, you will need to reset the transfer unit count and then calibrate the printer, through the control panel. To reset the transfer unit count, do the following: 1. Press MENU to enter the MENUS. 2. Press to highlight Configure Device. 3. Press to select Configure Device. 4. Press to highlight RESETS. 5. Press to select RESETS. 6. Press to highlight RESET SUPPLIES. 7. Press to select RESET SUPPLIES. 8. Press to highlight NEW TRANSFER KIT. 9. Press to select NEW TRANSFER KIT. 10. Press to highlight YES. 11. Press to select YES. To calibrate the printer, do the following: 1. Press MENU to enter the MENUS. 2. Press to highlight Configure Device. 3. Press to select Configure Device. 4. Press to highlight PRINT QUALITY. 5. Press to select PRINT QUALITY. 6. Press to highlight CALIBRATE NOW. 7. Press to select CALIBRATE NOW. 8. Wait for the printer to calibrate. The transfer unit count is reset and the printer is ready to use. Replacing the fuser and pickup roller Replace the fuser when the printer control panel displays REPLACE FUSER KIT. The image fuser kit contains a replacement fuser and a Tray 2 pickup roller for this printer. After replacing the fuser, you must also replace the pickup roller. Instructions for replacing the pickup roller follow the instructions for replacing the fuser. ENWW Replacing supply items 103