3-88 Xerox Internal Use Only Phaser 6500/WorkCentre 6505 Service Manual
Error Messages and Codes
IOT K Mode Solenoid Error 1/2
Applicable Error Codes
• 042-372 / 042-373
6 Check the Sub Motor Harness Assy for
continuity.
Disconnect J22 from the MCU Board.
Disconnect J221 from the Sub Drive
Assembly.
Is each cable of J22 <=> J221
continuous?
Go to step 7. Replace the
Sub Motor
Harness Assy.
7 Reseat the Sub Drive Assembly.
Does the error still occur when the
power is turned Off and On?
Go to step 8. Complete.
8 Check the power to the Sub Drive
Assembly.
Disconnect J22 from the MCU Board.
Are the voltages across J22-2/J22-4
<=> ground on the MCU Board, about
+24 VDC when the interlock switch
(Interlock Harness Assy) is pushed?
Replace the
Sub Drive
Assembly.
(page 8-113)
Replace the
MCU Board.
(SFP,
page 8-138;
MFP,
page 8-160)
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ Feed Drive Assembly (PL7.1.4)
■ MCU Board (SFP PL8.2.13; MFP
PL8.3.6)
■ “Map 3 - SFP IP Board, LVPS, and Drive”
on page 10-8
■ “Map 4 - SFP MCU Board” on
page 10-9
■ “SFP Main Drive” on page 10-28
■ “Map 8 - MFP LVPS, IP Board, and
Drive” on page 10-17
■ “Map 9 - MFP MCU Board and HVPS”
on page 10-18
■ “MFP Main Drive” on page 10-41
Troubleshooting Procedure
Step Actions and Questions Yes No
1 Does the error still occur when the power
is turned Off and On?
Go to step 2. Complete.
Troubleshooting Procedure (continued)
Step Actions and Questions Yes No
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