Question about Office Equipment & Supplies
This error code means temperature fusing problem; you need to check good or bad heat lamps.
1.- Check each lamp in fuser.
- lamp is good if you get continuity
- lamp is bad if open
2.- Check the thermostat
- thermal control device
- triggers if unit gets too hot
3.- Also check thermistor
- monitors temp of fuser, two total (middle and rear)
If heat lamp is good: your best bet is to change all three items:
- Fuser thermostat - thermal control device
- Fuser thermistor (middle front) - thermal control device
- Fuser thermistor (rear) - thermal control device
These items wear out. Change at the same time. Fuser needs to be rebuilt or replaced (check for wear and tear)
Also, you could register in this forum copytechnet.com/forums to know details about TSB for the error-code-sc542 (PDF File Attached)
Posted on Sep 14, 2010
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Posted on Jan 02, 2017
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