Phaser 7500 Printer Service Manual 3-37
Error Messages and Codes
Tray 4 Misfeed
The Tray 4 Feed Out Sensor does not turn On within the specified time after the
Feed from Tray 4 has started.
Applicable Chain-Link Code
• 073-101: Tray 4 Misfeed
Initial Actions
• Check the following connections for open circuits, short circuits, and poor
contacts between the Motor Drive PWB J509 and the TM Relay PWB J801.
• When 3TM is connected: Between the TM Relay PWB J800 and the Tray
Module PWB J541.
• When STM is connected: Between the TM Relay PWB J800 and the STM
PWB J541.
• If the problem persists, follow the procedure below.
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ Tray 3/4/5 Feed/ Lift Up
Motor, PL10.3.3
■ Tray Module PWB, PL10.9.1
■ TM Takeaway Motor, PL10.9.5
■ MCU PWB, PL18.3.6
■ Motor Drive PWB, PL18.3.7
■ TM Relay PWB, PL18.3.11
Troubleshooting Procedure
Step Actions and Questions Yes No
1 Perform the Paper Feed Motors test
in Diagnostics.
Does the Motor operate properly?
Go to step 5. Go to step 2.
2 Is the voltage between the Tray
Module PWB J541-10 (+) and the
GND (-) +24VDC?
Go to step 3. Refer to “+24
VDC Power”
on page 4-16.
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