If the fuser is a "consumable", what exactly isn't a consumable? The
case? Everything else in the printer wears with use. Are the paper
transport rollers "consumables" because they wear with each paper that
goes through?
To me, consumables are materials that are used up with each printing.
That would include paper, toner, and "maybe" even the drum, although it
should certainly have a expected number of output lifespan. It is true
that the fuser on many laser printers is heated by a quartz halogen
lamp, which "might" be considered a consumable although it is supposed
to be a very long term device. I have 20 year old laser printers and
photocopiers that still work and some have tens of thousands of copies
through them in some cases. Some fusers last the life of the printer in
many cases.
I don't know which type of fuser heater your printer uses. Here's what
one website says about them:
"Laser Printer halogen heat lamps
A fuser lamp failure is usually indicated by a "Service Error 50" or "50
Service" on the display of Hewlett Packard printers, an "E31" error on
early Panasonic printers, a series of flashing lights on the Apple
printer family and "E0003" on early Epson printers. We no longer carry
Panasonic or Epson lamps.
You can use an ohm meter to check the continuity of the heater lamp.
Typical readings are less than 10 ohms measured on the heavy leads of
the fuser assembly. An open circuit or discoloration of the lamp are
sure indications of a defective heater lamp.
Most newer machines use a solid state thin film heating element which
should last the life of the printer. Our fuser lamps consist of original
equipment manufacturer (OEM) and third party lamps."
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Depending upon the design you may be able to get a replacement heater
bulb and not need a full fuser unit.
I would definitely ask Epson to provide an indication of what they
tested the MTBF (minimum time between failures) for the fuser bulb/or
other heating device. If your fuser is way out of the range, I think
you could convince Epson that it is a early failure.
Art