HP CP6015dn Service Manual - Page 549

Print/stop test Use this diagnostic test to isolate the cause of problems such as image-formation defects and jams within the engine. During this test you can stop the paper anywhere along the product paper path. The test can be programmed to stop printing internal pages or an external print job when the paper reaches a certain position. The test can also be programmed to stop from 0 to 60,000 mS. If the timer is set to a value that is greater than the job-print time, you can recover the product in one of two ways. ● After the print job is completed press Stop to return to the DIAGNOSTICS menu before the timer times out. ● After the timer times out, press Stop. Activate the door switch to restart the engine and return it to a normal state. When the timer trips, the control panel display shows the message PRINTING STOPPED To continue, press . Pressing Menu will print the previously selected job. If you do not want the previous job to print, press Stop first, and then press Menu. NOTE: Do not attempt to perform a print/stop test while the product is calibrating, because you be required to power-cycle the product. If a jam message displays on the control panel during testing, activate the door switch. Color-band test The color-band test page shows bands of colors that can indicate whether or not the product is producing colors correctly. 1. Press Menu. 2. Press the down arrow to highlight DIAGNOSTICS, and then press the checkmark button . 3. Press the down arrow to highlight COLOR BAND TEST, and then press the checkmark button . 4. Press the down arrow to highlight PRINT TEST PAGE, and then press the checkmark button . ENWW Engine diagnostics 507