Minolta Magicolor 3100 Series Service Manual page 67

FIP-27 PHD Life Over (Replace Imaging Unit)
Step
Initial check
Check the following for damage.
1
Imaging Unit (PHD) condition
PWBA CRUM in Imaging Unit (PHD) condition
Check PWBA CRUM for connection
2 Is PWBA CRUM connector connected to the harness
connector normally?
Check HARNESS ASSY CRUM for continuity
3
J170 <=> J71check continuous?
Check HARNESS ASSY EEPROM for continuity
4
P71 <=> J140 check continuous?
Check Imaging Unit (PHD)
5 Replace new Imaging Unit (PHD), and check if an error
occurs.
Check
Chapter 1 Troubleshooting
Yes
Replace the parts
Go to step [2]
concerned
Replace
Go to step [3] HARNESS ASSY
CRUM
Replace
Go to step [4] HARNESS ASSY
CRUM
Replace
Go to step [5] HARNESS ASSY
EEPROM
Replace PWBA
End of work
HNB MCU
No
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