HP LaserJet P4510 Service Manual - Page 270
Manual sensor test 2 (special mode test),
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● Check the following sensors in the Tray 2 area with the tray, loaded with paper, in the product. ◦ (1): Check the Tray 2 paper present sensor (PS101) by running manual sensor test 1 and checking the status of designator N. ◦ (2): Check the Tray 2 top of stack sensor (PS107) by running manual sensor test 1 and checking the status of designator O. ◦ (3): Check the Tray 2 paper size switches (SW102) by running manual sensor test 1 and checking the status of designator P. Figure 7-9 Checking sensors in the Tray 2 area 1 2 3 NOTE: The sensors for trays 3, 4, 5, and 6 can be checked in the same manner with manual sensor test 2. Manual sensor test 2 (special mode test) Use this test to test paper path sensors and the paper-size switches manually. 1. Press Menu . 2. Press the down arrow to highlight DIAGNOSTICS, and then press OK. 3. Press the down arrow to highlight MANUAL SENSOR TEST 2, and then press OK. 4. Use the arrow buttons to highlight the sensor letter code that you want to test, and then press OK. 256 Chapter 7 Solve problems ENWW
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