Sensor Photo:exit Failure - Oki B6100 Technical Manual

Step
1
INITIAL ANALYSIS
Inspect the following components.
• Sensor Photo:Exit in the Fuser Assy
• PWBA HKB26 MCU (PL10.1.13)
• PWBA HKB PS (PL10.1.17)
Are they compatible with your printer version, correctly
installed, not damaged, deformed, or contaminated?
2
SENSOR PHOTO:EXIT ANALYSIS
Disconnect P/J 27 from the PWBA HKB26 MCU.
Is there +3.3VDC between P27-3 and P27-4?
3
SENSOR PHOTO:EXIT SIGNAL ANALYSIS
Check the voltage between P/J27-3 and P/J27-2 when you
push up and release the Actuator Exit with inserting and
removing a sheet of paper at the Fuser Assy.
Is there 0VDC when pushing up the Actuator Exit and
+5VDC when releasing it?
OKI B6100 Laser Printer - Base Engine Technical Manual
Version 1.0
Actions and Questions
Secondary FIPs

6.9 Sensor Photo:Exit Failure

Yes
Go to step 2
Go to step 3
Replace the
PWBA HKB26
MCU
(RRP10.1.7)
No
Replace the
problem com-
ponents
Go to 6.1
PWBA HKB
PS Failure
(+3.3VDC)
Replace the
Fuser Assy
(RRP6.1.3)
6-15