Konica Minolta Magicolor 3300 Service Manual page 77

FIP-34 Black Toner Near Empty (Black Toner Low)
Step
Initial setting
Check the following for evidence of fault.
1 SENSOR TONER LOW replacing condition
TONER CARTRIDGE replacing condition
TONER MOTOR replacing condition
Checking TONER CARTRIDGE
2 Check if an error occurs though the TONER CARTRIDGE
was replaced with a new one.
Checking PWBA DRV HBN for signal
3
Is P/J51-10PIN <=> P/J51-11PIN less than +0.2VDC?
Checking HARNESS ASSY TNR4 for continuity
4
Is J704 <=> J51 continuous normally?
Checking HARNESS ASSY DRV2 for continuity
5
Is J12-24 <=> J42-7 continuous normally?
Checking PWBA DRV3 for signal
6
Is P/J51-36PIN <=> P/J60-2PIN +24VDC?
Checking HARNESS ASSY TNR4 for continuity
7
Is J514 <=> J51 continuous normally?
Checking TONER MOTOR
8 Check if an error occurs though the TONER MOTOR was
replaced with a new one.
Checking HARNESS ASSY DRV1 for continuity
Check the following for continuity.
J11-37 <=> J41-4
9
J11-38 <=> J41-3
J11-39 <=> J41-2
J11-40 <=> J41-1
Check
Chapter 1 Troubleshooting
Remedy
Yes
Replace the parts
Go to step [2]
concerned
Go to step [3] End of work
Go to step [5] Go to step [4]
Replace
Go to step [5] HARNESS ASSY
TNR4
Replace
Go to step [6] HARNESS ASSY
DRV2-2
Replace PWBA
Go to step [7]
DRV HBN
Replace
Go to step [8] HARNESS ASSY
TNR4
Go to step [9] End of work
Replace PWBA
Replace
DRV HBN, and if
HARNESS ASSY
still faulty, replace
DRV1
PWBA MCU HBN
No
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