HP LaserJet Enterprise 600 Service Manual - Page 87

Service approach Before performing service ● Remove all media from the product. ● Turn off the power using the power button. ● Unplug the power cable and interface cable or cables. ● Place the product on an ESD workstation or mat, or use an ESD strap (if one is available). If an ESD workstation, mat, or strap is not available, ground yourself by touching the sheet-metal chassis before touching an ESD-sensitive part. ● Remove the print cartridge. See Print cartridge on page 64. ● Remove the tray cassette or cassettes. After performing service ● Connect the interface cables, and then plug in the power cable. ● Reinstall the print cartridge. ● Reinstall the tray cassette or cassettes. ● If the 500-sheet paper feeder(s) or optional 1500-sheet paper deck was removed for service, place the product on the feeder(s) or deck. If applicable, engage the feeder or deck locks to secure the feeder(s) or deck to the product. Post-service test Perform the following test to verify that the repair or replacement was successful. Print-quality test 1. Verify that you have completed the necessary reassembly steps. 2. Make sure that the tray or trays contains clean, unmarked paper. 3. Verify that the power cord and interface cable or interface cables are correctly connected, and then turn on the product. 4. Verify that the expected startup sounds occur. 5. Print a configuration page, and verify that the expected printing sounds occur. 6. Send a print job from the host computer, and then verify that the output meets expectations. 7. If necessary, restore any customer-specified settings. 8. Clean the outside of the product with a damp cloth. ENWW Service approach 63