Paper Jam In Duplex Unit (E1) - Olivetti DR N17 Service Manual

10.8.2 Paper Jam in Duplex Unit (E1)

1 The jam occurs immediately when the power is switched on.
Y: Go to step 2.
N: Go to step 3.
2 There are pieces of paper or any foreign matter in the Duplex Unit area.
Y: Remove what is in the Exit area.
N: Go to step 3.
3 Check the rotation of the Duplex Roll Transport Assembly. The Duplex Roll Transport Assembly
rotates normally.
NOTE: Execute Diagnostic Mode 1, Duplex Motor High and Low, and perform a visual inspection.
Y: Go to step 5.
N: Go to step 4.
4 Check the Motor Assembly. There is a +24VDC between P/J212-1 and P/J212-3 and between
P/J212-2 and P/J212-4.
Y: Replace the Motor Assembly.
N: Go to step 9.
5 Check the Duplex Sensor Assembly. The Duplex Sensor Assembly operates normally.
NOTE: Execute Diagnostic Mode 1, Sensor Input Test, to check it.
Y: Go to step 6.
N: Go to RAP 10.8.6 Duplex Sensor Assembly Failure.
6 Check the Duplex Sensor Assembly. The voltage is between P/J213-3 and P/J213-2 at the low
level when paper is present and at the high level when paper is not present.
Y: Go to step 7.
N: Replace the Duplex Sensor Assembly.
7 Check the Duplex PWB. The voltage is between P/J214-7 and P/J214-2 at the low level when
paper is present and at the high level when paper is not present.
Y: Go to step 8.
N: Replace the Duplex PWB.
8 Check the Print Engine Controller. The voltage is between P/J15-A5 and P/J15-A10 at the low
level when paper is present and at the high level when paper is not present.
Y: Replace the Print Engine Controller.
N: Replace the Duplex Harness Assembly.
9 There is 24V between P/J214-6 and P/J214-5.
Y: Go to step 10.
N: Replace the Duplex PWB.
687200Q Service Manual 10-27