3-38 Phaser 7500 Printer Service Manual
Error Messages and Codes
3 Turn Off the power, then measure the
Tray 4 Feed/ Lift Up Motor wire
wound resistance.
Remove the Tray 4 Feed/ Lift Up
Motor, then measure the following
resistances.
■ Between J222 pin-1 and J222 pin-2
■ Between J222 pin-3 and J222 pin-4
Is the resistance approximately 4
Ohm for each?
Go to step 4. Replace the
Tray 4
Feed/ Lift Up
Motor
(REP 10.3,
page 8-93).
4 Check the connection between the
Tray Module PWB J550 and the Tray
4 Feed/ Lift Up Motor J222 for open
circuit, short circuit, and poor contact.
Is it conducting properly?
Replace the
following parts
in sequence:
■ Tray Module
PWB (REP
10.9,
page 8-97)
■ TM Relay
PWB (REP
18.14,
page 8-205)
■ Motor Drive
PWB (REP
18.13,
page 8-204)
■ MCU PWB
(REP 18.12,
page 8-202)
Reconnect the
wiring harness
connectors.
5 Perform the TM Takeaway Motor
test in Diagnostics.
Does the Motor operate properly?
Go to step 9. Go to step 6.
6 Is the voltage between the TM
Takeaway Motor J224-2/5 (+) and the
GND (-) +24VDC?
Go to step 7. Refer to “+24
VDC Power”
on page 4-16.
7 Turn Off the power, then measure the
TM Takeaway Motor wire wound
resistance.
Remove the TM Takeaway Motor,
then measure the following
resistances.
■ Between J224 pin-1 and J224 pin-2
■ Between J224 pin-3 and J224 pin-2
■ Between J224 pin-4 and J224 pin-5
■ Between J224 pin-6 and J224 pin-5
Is the resistance approximately 0.85
Ohm for each?
Go to step 8. Replace the
TM
Ta k e a w a y
Motor
(REP 10.11,
page 8-99).
Troubleshooting Procedure (Continued)
Step Actions and Questions Yes No
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