Minolta Magicolor 3100 Series - Manual (Page 45)

Chapter 1 Troubleshooting
1-45
FIP-9 CRUM ID Error (Invalid Imaging Unit)
Step Check
Yes No
1
Verify that the printer has a genuine Minolta-QMS PHD
ASSY (Imaging Unit)
Go to step [2]
Replace Imaging
Unit (PHD)
2
Check the following for damage.
Imaging Unit (PHD) condition
PWBA CRUM in Imaging Unit (PHD) condition
Replace the parts
concerned
Go to step [3]
3
Check PWBA CRUM for connection
Is PWBA CRUM connector connected to the harness
connector normally?
Go to step [4]
Replace
HARNESS ASSY
CRUM
4
Check HARNESS ASSY CRUM for continuity
J170 <=> J71 check continuous?
Go to step [5]
Replace
HARNESS ASSY
CRUM
5
Check HARNESS ASSY EEPROM for continuity
J17 <=> J140 check continuous?
Go to step [6]
Replace
HARNESS ASSY
EEPROM
6
Check Imaging Unit (PHD)
Replace new Imaging Unit (PHD), and check if an error
occurs
Replace PWBA
HNB MCU
End of work