Temperature Sensor Failure - Oki B6100 Technical Manual

Secondary FIPs

6.5 Temperature Sensor Failure

Step
1
INITIAL ANALYSIS
Inspect the following components.
• Fuser Assy (PL 6.1.7)
• Harness Assy Fuser-M (J271, J11, J27, J262) (PL6.1.12)
• Temperature Sensor Assy
• PWBA HKB26 MCU (PL10.1.13)
• PWBA HKB LVPS (PL10.1.17)
Are they compatible with your printer version, correctly
installed, not damaged, deformed, or contaminated?
2
TEMPERATURE SENSOR ANALYSIS
Inspect the Thermistor.
Is the Temperature Sensor damaged, deformed, or con-
taminated?
3
TEMPERATURE SENSOR ANALYSIS
Switch OFF printer power.
Allow the Fuser Assy to cool to room temperature.
Check the continuity between J27-1 and J27-2.
Is there approximately 2MΩ between J27-1 and J27-2?
6-10
Actions and Questions
OKI B6100 Laser Printer - Base Engine Technical Manual
Yes No
Go to step 2 Replace the
problem com-
ponents
Clean or Go to step 3
replace the
Temperature
Sensor Assy
Replace the Replace the
PWBA HKB26 Fuser Assy
MCU (RRP6.1.3)
(RRP10.1.7)
Version 1.0