Minolta Magicolor 3100 Series - Manual (Page 68)

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FIP-28 BTR Life Over (Replace Transfer Unit)
Step Check
Yes No
1
Initial check
Check the following for damage.
Transfer Unit (BTR) condition
SENSOR TONER FULL condition
Replace the parts
concerned
With tool
Go to step [2]
Without tool
Go to step [3]
2
Check SENSOR TONER FULL
Does SENSOR TONER FULL function normally?
Using SENSOR TONER FULL diagnostic tool, check by
Diagnostic Input Test.
Go to step [6] Go to step [3]
3
Check HARNESS ASSY TFLSNS for signal
Remove the Transfer Unit (BTR)
Is P/J141-2PIN <=> P/J141-1PIN 0VDC?
Go to step [6] Go to step [4]
4
Check HARNESS ASSY TFLSNS for signal
Is P/J141-3PIN <=> P/J141-1PIN +5VDC?
Go to step [5]
Replace
HARNESS ASSY
EEPROM
5
Check HARNESS ASSY TFLSNS for continuity
J142 <=> J142 check continuous? Replace SENSOR
TONER FULL
Replace
HARNESS ASSY
TFLSNS
6
Check Transfer Unit (BTR)
Replace new Transfer Unit (BTR), and check if an error
occurs
Replace PWBA
HNB MCU
End of work