3-44 Phaser 6128MFP Service Manual
Error Messages and Codes
5 Check the Registration Actuator In
for damage or misalignment.
Remove the Lower Chute (PL3.2.27)
to examine the actuator.
Is the actuator damaged or
misaligned?
Repair or
replace the
Registration
Actuator In
(page 8-32).
Go to step 6.
6 Check connectors P/J23 and P/J232
between the MCU Board and
Registration Sensor.
Are the connectors secure?
Go to step 7. Reconnect the
connectors.
7 Check Left Side Harness continuity.
Disconnect P/J23 from the MCU
Board and P/J232 from the
Registration Sensor.
Is the harness damaged?
Repair or
replace the
harness
(PL10.4.18).
Go to step 8.
8 Check for +3.3 V at J23 of the MCU
Board.
Is there +3.3 V across ground <=>
J23-3 pin on the MCU Board?
Go to step 9. Replace the
MCU Board
(page 8-57).
9 Check Registration Sensor operation.
Does the voltage between ground
<=>J23-5 on the MCU Board change
when the Registration Actuator In is
used to block the sensor?
Replace the
MCU Board
(page 8-57).
Replace the
Registration
Sensor
(page 8-29).
10 Check connectors P/J26 and P/J262
between the MCU Board and
Registration Clutch.
Are the connectors secure?
Go to step 27. Reconnect the
connectors.
11 Check KSNR Registration Clutch
harness continuity.
Disconnect P/J26 from the MCU
Board and P/J262 from the
Registration Clutch.
Is the harness damaged?
Repair or
replace the
harness
(PL10.8.9).
Go to step 28.
12 Check for +24 V at J26 of the MCU
Board.
Is there +24 V between ground <=>
J26-4 on the MCU Board when the
Interlock Switch is closed?
Go to step 29. Replace the
MCU Board
(page 8-57).
13 Check Registration Clutch resistance.
Disconnect P/J262 from the Feed
Solenoid
Is the resistance across J262-1 and
J262-2 about 280 Ohms?
Replace the
MCU Board
(page 8-57).
Replace the
Registration
Clutch
(page 8-35).
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No
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