HAKUBA 26PPM Laser Printer - Base Engine Technical Manual
6-27
Version 1.0
Secondary FIPs
6.19 PWBA HVPS Failure
Step
Actions and Questions
Yes
No
1
INITIAL ANALYSIS
Inspect the following components.
•
PWBA HKB26 MCU
(PL10.1.13)
•
PWBA HVPS
(PL10.1.20)
•
Harness Assy HVPS
(J26-J261)
(PL10.1.19)
•
PWBA HKB PS
(PL10.1.17)
Are they compatible with your printer version, correctly
installed, not damaged, deformed, or contaminated?
Go to step 2
Replace the
problem com-
ponents
2
PWBA HVPS
(PL10.1.20) ANALYSIS
Disconnect P/J26 from the
PWBA HKB26 MCU
.
Check the voltage between P26-2 and P26-3.
Is there +24 VDC between P26-2 and P26-3?
Go to step 3
Go to 6.2
PWBA HKB
PS
Failure
(+24VDC)
3
PWBA HVPS
(PL10.1.20) ANALYSIS
Disconnect P/J26 from the
PWBA HKB26 MCU
.
Check the voltage between P26-4 and P26-5.
Is there +3.3VDC between P26-4 and P26-5?
Go to step 4
Go to 6.1
PWBA HKB
PS
Failure
(+3.3VDC)
4
HARNESS ASSY HVPS (J26-J261)
(PL10.1.19) ANALYSIS
Is there continuity (0
Ω
) between all wires on J26 and
J261?
Go to step 5
Replace the
PWBA HVPS
(RRP10.1.11)
5
Install a new MCU PWB.
Is the problem still present?
Replace the
PWBA HVPS
(RRP10.1.11)
Problem
solved
Summary of Contents for b 6100
Page 1: ...HAKUBA 26PPM Laser Printer Base Engine Technical Manual Version 1 0...
Page 8: ...viii HAKUBA 26PPM Laser Printer Base Engine Technical Manual Version 1 0 Blank Page...
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...