6-8
HAKUBA 26PPM Laser Printer - Base Engine Technical Manual
Version 1.0
Secondary FIPs
6.4 Heat Rod Failure
Table continued
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)
•
PWBA HVPS
(PL10.1.20)
•
ROS Assy
(PL8.1.9)
Are they compatible with your printer version, correctly
installed, not damaged, deformed, or contaminated?
Go to step 2
Replace the
problem com-
ponents
2
HEAT ROD ANALYSIS
Unplug the AC line from the wall outlet.
Disconnect P/J11 on the
PWBA HKB PS
.
Is there continuity between J11-1 and J11-2?
Go to step 3
Go to step 7
3
PWBA HKB PS (PL10.1.17)
ANALYSIS
Perform these checks within 70 seconds after Fuser Warm-up
has finished. After 70 seconds, the LVPS shuts down.
Is there +3.3VDC between P282-1 and P282-2 on the
PWBA HKB PS?
Go to step 4
Replace the
PWBA HKB
PS
(RRP10.1.9)
4
HEAT ROD ACTUATOR SIGNAL ANALYSIS
Disconnect P/J28 from the
PWBA HKB26 MCU
.
Perform these checks when the Fuser Assy has cooled to
room temperature.
Is there 0VDC between P28-12 and P28-8 on the
PWB HKB
MCU
when you actuate the
Switch Assy I/L Front
(PL10.1.12)?
Is there +5VDC between P28-12 and P28-8 on the
PWB
HKB MCU
when you deactuate the
Switch Assy I/L Front
(PL10.1.12)?
Replace the
PWBA HKB
PS
(RRP10.1.9)
Go to step 5
5
HEAT ROD TEMPERATURE ANALYSIS
Disconnect P/J27 from the
PWBA HKB26 MCU
.
Is there the continuity between J24-2 and J27-1?
Go to 6.5
Temperature
Sensor Fail-
ure
Go to step 6
Summary of Contents for b 6100
Page 1: ...HAKUBA 26PPM Laser Printer Base Engine Technical Manual Version 1 0...
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Page 124: ...8 2 HAKUBA 26PPM Laser Printer Base Engine Technical Manual Version 1 0 Diagnostic Mode...
Page 146: ...8 24 HAKUBA 26PPM Laser Printer Base Engine Technical Manual Version 1 0 Diagnostic Mode...
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...