Oki B 6100, Technical Manual

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6-12 OKI B6100 Laser Printer - Base Engine Technical Manual
Version 1.0
Secondary FIPs
6.7 Sensor Photo:Regi Failure
Step Actions and Questions Yes No
1
INITIAL ANALYSIS
Inspect the following components.
• P/H Assy (PL5.1.4)
• PWBA HKB26 MCU (PL10.1.13)
• Harness Assy Regi (J43-J431, J423) (PL5.1.28)
• 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
SENSOR PHOTO:REGI (PL5.1.12) POWER ANALYSIS
Check the voltage between P/J43-4 and P/J43-3.
Is there +3.3 VDC between P43-4 and P43-3?
Go to step 3 Go to 6.1
PWBA HKB
PS Failure
(+3.3VDC)
3
SENSOR PHOTO:REGI (PL5.1.12) SIGNAL ANALYSIS
Move the Actuator Regi (PL2.1.10) by a sheet of paper.
Check the voltage between P/J43-5 and P/J43-4.
Does the voltage between P/J43-5 and P/J43-4 fall down
from +3.3VDC to 0VDC when the Actuator Regi is pushed
down by a sheet of paper?
Replace the
PWBA HKB26
MCU
(RRP10.1.7)
Replace the
Sensor
Photo:Regi
(RRP5.1.5)