HP M1522nf Service Manual - Page 91

Post-service tests After service has been completed, the following tests can be used to verify that the repair or replacement was successful. Test 1 (print-quality test) 1. Verify that you have completed the necessary reassembly steps. 2. Ensure that the input tray contains clean, unmarked paper. 3. Attach the power cord and interface cable, and then turn on the product. 4. Verify that the expected start-up sounds occur. 5. Perform a control-panel test from the secondary service menu. On fax models only, verify that the control-panel buttons beep when they are pressed. NOTE: On fax models only, if the control-panel buttons do not beep, verify that the user did not disable this function on the product control panel. 6. Print a configuration page, and then verify that the expected printing sounds occur. 7. Print a demo page, and then verify that the print quality is as expected. 8. Send a print job from the host computer, and then verify that the output meets expectations. 9. If necessary, restore any customer product settings. 10. Clean the outside of the product with a damp cloth. Test 2 (copy-quality test) 1. Verify that you have completed the necessary reassembly steps. 2. Ensure that the input tray contains clean, unmarked paper. 3. Attach the power cord and interface cable, and then turn on the product. 4. Verify that the expected start-up sounds occur. 5. Print a configuration page, and then verify that the expected printing sounds occur. 6. Place the configuration page in the ADF. 7. Print a copy job, and then verify the results. 8. Place the configuration page on the scanner glass. 9. Print a copy job, and then verify the results. 10. Clean the outside of the product with a damp cloth. Test 3 (fax-quality test) 1. Place the configuration page in the ADF. 2. Enter a valid fax number and send the fax job. 3. Verify that the send quality and receive quality meet expectations. ENWW Removal and replacement strategy 73