Table 7-17. DIP Switch Settings for troubleshooting test Note The DIP switch is on if it is set to the top. The DIP switch is off if it is set to the bottom. 2 x 500-sheet Input Tray Standalone Running Test This test verifies that the 2 x 500-sheet Input Tray is functioning properly. For this test, use the LED located on the Controller PCA. (See table 7-18 on page 447 for an interpretation of the LED patterns.) CAUTION If the 2 x 500-sheet Input Tray is underneath the printer, paper jams may occur because the printer will not pick up the paper. To prevent excessive paper jams during this test, feed only 6 to 8 pages. 1 Make sure that there is paper in both trays.
2 Set the DIP switches on the Controller PCA for standalone running mode (see table 7-17 on page 445 for an explanation of the settings). 3 To test Tray 5, open Tray 4.To test Tray 4, open Tray 5. C4085-91087 Self - Diagnostics on Paper-handling Devices 445 1 Off On On Off 2 Off On Off Off 3 Off Off Off On 4 Off On On On