Sensor Exit Failure - Oki B6100 Technical Manual

Step
1
INITIAL ANALYSIS
Inspect the following components.
• Sensor Exit in the Fuser Assy (PL6.1.7)
• Fuser Assy (PL6.1.7)
• PWBA HKB26 MCU (PL10.1.13)
• Harness Assy Fuser-M (J271, J11, J27, J262) (PL6.1.12)
• PWBA HKB PS (PL10.1.17)
Are they compatible with your printer version, correctly
installed, not damaged, deformed, or contaminated?
2
SENSOR EXIT in the FUSER ASSY (PL6.1.7) ANALYSIS
Disconnect P/J27 from the PWBA HKB26 MCU.
Check the voltage between P27-3 and P27-4.
Is there +3.3VDC between P27-3 and P27-4?
3
SENSOR EXIT ACTUATING SIGNAL ANALYSIS
Check the voltage between P/J27-4 and P/J27-5.
Use a piece of paper to actuate the Sensor Exit.
Is there +0 VDC between P/J27-4 and P/J27-5?
Remove the piece of paper from the Sensor Exit.
Is there +5 VDC between P/J27-4 and P/J27-5?
OKI B6100 Laser Printer - Base Engine Technical Manual
Version 1.0
Actions and Questions
Secondary FIPs

6.6 Sensor Exit Failure

Yes No
Go to step 2 Replace the
problem com-
ponents
Go to step 3 Replace the
PWBA HKB26
MCU
(RRP10.1.7)
Replace the Replace the
PWBA HKB26 Fuser Assy
MCU (RRP6.1.3)
(RRP10.1.7)
6-11