57 service error message. Wht does that mean? We
A fan failure was detected.Printer fan or Duplex fan.
1. Check the fan’s connector and make sure the
fan is not blocked.
2. Replace the fan.
On older style printers this is often caused
by a bad main motor. (Older style printer being printers with halogen
heating elements in the fuser - 4, 4+, 5, 4si, 5si, etc).
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