Xerox DOCUPRINT N17 Service Manual page 274

7 Ensure that the Tray 1 Feed Roll Assembly drives the paper fully through the Paper Handling
Unit Assembly.
NOTE: Remove the EP Cartridge and cheat the Front Cover interlock. Perform a visual inspection by
generating a test print.
Y: Go to step 8.
N: Replace the faulty parts of the Tray 1 Feed Roll Assembly.
8 Ensure the Retard Assembly is making contact with the pinch roll of the MBF Roll Assembly.
Y: Go to step 9.
N: Replace the Retard Assembly.
NOTE: This can be inspected by producing a test print from the MBF Tray. Stop the printer when the
MBF Feed Roll rotates 180
9 Ensure the spring exerts adequate pressure to the Retard Assembly and the pinch roll of the
MBF Roll Assembly.
Y: Go to step 10.
N: Replace the Retard Assembly.
NOTE: This can be tested by pulling on the paper sheet fed in step 8. Resistance to removing the paper
indicates adequate Retard Pad pressure.
10 The parameter for the Diagnostic Mode 1 (Paper Tray Size) is compatible with the size of the
print sheets present in Tray 1.
Y: Go to step 14.
N: Go to step 11.
NOTE: Code E2 could appear on the LCD when the length of the paper now loaded is longer than that of
the sheet size set for the printer.
NOTE: Ensure the paper guide in the back of the tray is adjusted properly.
11 Ensure the Size Sensor Assembly shows a correct switch combination for the paper size in Tray
1 when the tray presses the Size Sensor Assembly Spring.
NOTE: Remove Tray 1, and perform a visual inspection while reinserting Tray 1.
Y: Go to RAP 7.4.15 Size Sensor Assembly Failure.
N: Replace Tray 1.
12 Remove Tray 1. Ensure the plate rises up when the latch is released.
NOTE: Without pulling this latch, the plate should lock when pressed down to the bottom of the tray.
Y: Go to step 13.
N: Replace Tray 1.
Repair Analysis Procedures (RAPs)
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