Minolta 3100 Series FIP-9 CRUM ID Error (Invalid Imaging Unit)

Chapter 1 Troubleshooting
1-45
FIP-9 CRUM ID Error (Invalid Imaging Unit)
Step Check Yes No
1Verify 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
4Check HARNESS ASSY CRUM for continuity
J170 <=> J71 check continuous? Go to step [5]
Replace
HARNESS ASSY
CRUM
5Check 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