3-10
HAKUBA 26PPM Laser Printer - Base Engine Technical Manual
Version 1.0
Primary FIPs:Error Codes
3.3 U4:FUSER FAIL
There is a problem with the Fuser Assy.
Step
Actions and Questions
Yes
No
1
INITIAL ANALYSIS
Inspect the following components.
•
Fuser Assy
(PL6.1.7)
•
Harness Assy Fuser-M
(J271, J11, J27, J262) (PL6.1.12)
•
PWBA HKB26 MCU
(PL10.1.13)
•
PWBA HKB PS
(PL10.1.17)
•
Switch Assy I/L Front
(PL10.1.12)
•
Switch Assy I/L Rear
(PL10.1.7)
•
Sensor Photo Exit in the Fuser Assy
(PL6.1.7)
Are they compatible with your printer version, correctly
installed, not damaged, deformed, or contaminated?
Go to step 2.
Replace the
problem com-
ponents.
2
SWITCH ASSY I/L FRONT
(PL10.1.12) ANALYSIS
Check the
Switch Assy I/L Front
function using SENSOR/
SWITCH CHECH.
Does the
Switch Assy I/L Front
function correctly and
increment the Sensor Check number each time you actu-
ate it?
Go to step 3.
Replace the
Switch Assy I/
L Front
(RRP10.1.12)
3
SWITCH ASSY I/L REAR
(PL10.1.7) ANALYSIS
Check the
Switch Assy I/L Rear
function using SENSOR/
SWITCH CHECH.
Does the
Switch Assy I/L Rear
function correctly and
increment the Sensor Check number each time you actu-
ate it?
Go to step 4.
Replace the
Switch Assy I/
L Rear
(RRP10.1.5).
4
HARNESS ASSY FUSER-M
(J271, J11, J27, J262)
(PL6.1.12)
ANALYSIS
Is there continuity between J271 and J11?
Go to step 5.
Replace the
Harness Assy
Fuser-M
(J271, J11,
J27, J262)
(RRP6.1.4).
5
HEATER ASSY ANALYSIS
Does U4 appear after POWER–ON?
(Answer YES if there is a momentary Fuser Assy Warm-Up
Sequence)
Go to 6.5
Temperature
Sensor Fail-
ure.
Go to step 6.
6
HEAT ROD ANALYSIS
Let the Heat Rod cool down.
Does the Heat Rod glow when power is switched ON?
Go to step 6.
Go to 6.4
Heat Rod
Failure.
Summary of Contents for b 6100
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Page 124: ...8 2 HAKUBA 26PPM Laser Printer Base Engine Technical Manual Version 1 0 Diagnostic Mode...
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Page 148: ...9 2 HAKUBA 26PPM Laser Printer Base Engine Technical Manual Version 1 0 Adjustment Mode...
Page 152: ...9 6 HAKUBA 26PPM Laser Printer Base Engine Technical Manual Version 1 0 Adjustment Mode...
Page 396: ...12 26 Hakuba 26PPM Laser Printer Base Engine Technical Manual Version 1 0 Parts List...