3-12
HAKUBA 26PPM Laser Printer - Base Engine Technical Manual
Version 1.0
Primary FIPs:Error Codes
3.4 U5:FAN ASSY FAIL
There is a problem with the Fan Assy.
Step
Actions and Questions
Yes
No
1
INITIAL ANALYSIS
Inspect the following components.
•
Fan Assy
(PL9.1.7)
•
PWBA HKB26 MCU
(PL10.1.13)
•
PWB ESS
(PL10.1.2)
Are they compatible with your printer version, correctly
installed, not damaged, deformed, or contaminated?
Go to step 2.
Replace the
problem com-
ponents.
2
FAN ASSY
(PL9.1.7) ANALYSIS
Can you hear or see the
Fan Assy
spinning when you
power-on the printer?
Go to step 3.
Go to 6.16
Fan Assy Fail-
ure.
3
FAN ASSY
SIGNAL ANALYSIS
Check the voltage between P/J28-13 and P/J28-8 on the
PWBA HKB26 MCU
(PL10.1.13) while the U5 code is dis-
played.
Is there +3.3VDC between P/J28-13 and P/J28-8?
Replace the
Fan Assy
(RRP9.1.2).
Replace the
PWBA HKB26
MCU
(RRP10.1.7).
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...