3-208 Phaser 7500 Printer Service Manual
Error Messages and Codes
Tray 1 Nudger Up Down Fail
The Tray 1 Nudger Position Sensor does not change within the specified time after
the Tray 1 Nudger Up or Down operation has started.
Applicable Chain-Link Code
• 075-212: MSI Nudger up down Fail
Initial Actions
• Power cycle the printer.
• If the problem persists, follow the procedure below.
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ MCU PWB, PL18.3.6
■ Motor Drive PWB, PL18.3.7
■ MPT Feed/ Nudger Motor,
PL13.2.18
Troubleshooting Procedure
Step Actions and Questions Yes No
1 Perform the Paper Feed Motors
test in Diagnostics.
Does the Tray 1 Feed/ Nudger
Motor rotate?
Go to step 5. Go to step 2.
2 Is the voltage between the Motor
Drive PWB J520-1 (+) and the GND
(-) +24VDC?
Go to step 3. Go to “+24 VDC
Power” on
page 4-16 for
troubleshooting
procedure.
3 Turn Off the power, then measure
the Tray 1 Feed/ Nudger Motor
wire wound resistance.
Remove the Tray 1 Feed/ Nudger
Motor, then measure the following
resistances.
■ Between J269 pin-1 and J269
pin-2
■ Between J269 pin-3 and J269
pin-4
Is the resistance approximately 4
Ohm for each?
Go to step 4. Replace the Tray
1 Feed/ Nudger
Motor (REP 13.3,
page 8-132).