Konica Minolta Magicolor 3300 Service Manual page 53

FIP-12 Fuser Jam (Media Jam Fuser)
Step
Initial setting
Check the following for evidence of fault.
SENSOR EXIT actuator replacing condition
FUSER ASY replacing condition
1
FRONT COVER replacing condition
CHUTE DUP IN replacing condition
BTR ASSY replacing condition
PHD ASSY replacing condition
Checking FUSER ASSY connector
2 Remove the FUSER ASSY connector, and check for broken
or curved pins.
Checking SENSOR EXIT
Does SENSOR EXIT function normally?
3
Using SENSOR EXIT diagnostic tool, check by Digital Input
Test.
Checking HARNESS FSR2 for signal
4 Push the paper in the FUSER ASSY
Is P/J138-3PIN <=> P/J138-2PIN 0VDC?
Checking HARNESS FSR2 for continuity
5
Is J232 <=> J138 continuous normally?
Checking HARNESS ASSY FRONT 1A for continuity
6
Is P138 <=> J13 continuous normally?
Checking FUSER ASSY
7 Check if an error occurs though the FUSER ASSY was
replaced with a new one.
Checking FUSER MOTOR for operation
8
Does the FUSER MOTOR run when printing 1 sheet?
Checking FUSER MOTOR
Does FUSER MOTOR function normally?
9
Using FUSER MOTOR diagnostic tool, check by Digital
Output Test.
Checking PWBA DRV HBN for signal
10
Is P/J41-1PIN <=> P/J60-2PIN +24VDC?
Checking HARNESS ASSY DRV 1 for continuity
Check the following for continuity.
J11-12PIN <=> J41-29PIN
11 J11-13PIN <=> J41-28PIN
J11-14PIN <=> J41-27PIN
J11-15PIN <=> J41-26PIN
J11-16PIN <=> J41-25PIN
Checking FUSER MOTOR
12 Replace a new FUSER MOTOR, and check if the FUSER
MOTOR rotates when printing 1 sheet.
Check
Chapter 1 Troubleshooting
Remedy
Yes
Replace the parts
Go to step [2]
concerned
With tool
Go to step [3] Replace the parts
Without tool concerned
Go to step [4]
Go to step [9] Go to step [4]
Go to step [6] Go to step [5]
Replace
Go to step [6] HARNESS ASSY
FSR3
Replace
Go to step [7] HARNESS ASSY
FRONT 1A
Go to step [9] End of work
With tool
Check the gears Go to step [9]
for meshing Without tool
Go to step [10]
Replace PWBA
Go to step [10]
MCU HBN
Replace PWBA
Go to step [11]
DRV HBN
Replace
Go to step [12] HARNESS
ASSYDRV 1
Replace PWBA
End of work
MCU HBN
No
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