- HP Printer User Manual

(004 intentionally excluded)
Diagnostic Tests 5-7
006 Paper Transport Clutch Test Sequence
1 Go to: 006
2 Press: READY to run the test. The first clutch engages, signaled by a continuous
clicking sound. “3-0” appears on the display, corresponding to the upper pick-up roller
clutch.
3 Press: READY to test the next clutch. Listen for the clicking sound as the next clutch
engages. The number on the display changes to indicate the next clutch. The display
codes and the clutch they represent are listed in Table 5-3, “Clutch Test Displays”.
4 Repeat Step 3 until you have tested all of the clutches.
5 Press: STOP to exit.
007 Counter Test
1 Open the front cover.
2 Go to: 007
3 Press: READY to run the test.
• Confirm that the page counter advances by 1.
• The test then exits automatically.
Table 5-3. Clutch Test Displays
Display Indication
3-0 Upper pick-up roller clutch
3-1 Lower pick-up roller clutch
3-2 Upper feed roller clutch
3-3 Lower feed roller clutch
3-3 Paper timing roller clutch