HAKUBA 26PPM Laser Printer - Base Engine Technical Manual
3-13
Version 1.0
Primary FIPs:Error Codes
3.5 U6:NVM FAIL
There is a problem with NVRAM.
Step
Actions and Questions
Yes
No
1
INITIAL ANALYSIS
Inspect the following component.
•
PWBA HKB26 MCU
(PL10.1.13)
Is it compatible with your printer version, correctly
installed, not damaged, deformed, or contaminated?
Go to step 2.
Replace the
problem com-
ponent.
2
Does U6 appear after you switch ON Main Power?
Go to step 5.
Problem cor-
rected.
3
Switch Main Power OFF and ON several times.
Does U6 still appear when you switch ON Main Power
again?
Go to step 4.
Problem
solved.
4
PWBA HKB26 MCU
(PL10.1.13) ANALYSIS
Enter DIAGNOSTIC MODE MENU.
Can you enter DIAGNOSTIC MODE MENU?
Go to step 5.
Replace the
PWBA HKB26
MCU
(RRP10.1.7).
(If U6 contin-
ues, go to
6.20 Electri-
cal Noise).
5
NVRAM ANALYSIS
Enter ADJUSTMENT MODE MENU and check the parameters
for each value of NVRAM Code.
Are all parameters set correctly?
Replace the
PWBA HKB26
MCU
(RRP10.1.7).
Go to step 6.
6
PWBA HKB26 MCU
(PL10.1.13) ANALYSIS
1. Enter correct parameters.
2. Switch OFF Main Power.
3. Switch ON Main Power.
Does U6 still appear?
Replace the
PWBA HKB26
MCU
(RRP10.1.7).
Problem
solved.
Return to Ser-
vice Flow-
chart.
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...