Maintaining Your 3D Printer
6.1 Overview
There is little maintenance needed in keeping your TAZ 3D printer running.
Depending on your rate of use you will want to perform a quick check of
your printer every 2-4 weeks. The following maintenance guide lines will
keep your printer printing quality parts.
6.2 Smooth Rods
Wipe the smooth steel rods with a clean rag or paper towel. The linear
bushings leave a solid lubricant that builds up over time. If you begin
hearing squeaking noises while the printer is printing, this is likely a sign
that the smooth rods need to be cleaned. NOTE: never apply any lubricant
or cleaning agent to the smooth rods; the bushings are self lubricating.
6.3 PET Sheets
After repeated use, the PET sheet print surface will begin to wear.
Replacement PET sheets are available on
LulzBot.com
. To replace the
PET print surface it is best to remove the glass and heater assembly from
the bed mount. Disconnect the two connectors from the left of the print
bed. Locate the four bed finger clamps, one for each corner of the glass.
Turn each finger 90 degrees and then lift up and out the glass and heater
assembly. Place the assembly on a flat clean surface. Take caution to never
push down hard on the glass as this can cause the glass bed to crack.
Peel off the worn PET sheet from the glass print surface. If there is
any glue or plastic residue left on the glass surface, clean it with acetone
or an alcohol based glass cleaner. Peel a corner of the clear plastic away
from the green PET sheet and apply the corner of the PET to the corner of
the glass. Align the PET sheet onto the glass. Using a paper towel begin
slowly smoothing/applying the PET onto the glass while pulling back the
clear sheet from underneath the PET. You can also spray glass cleaner
onto the paper towel or the top side of the PET for a smoother application.
After applying the PET sheet to the glass any bubbles can be pushed out
or smoothed down using a credit card or stiff and dull piece of plastic.
Once the new PET sheet is in on, place the glass and heater assembly
back into the bed mount. With the glass assembly back in place, turn the
98
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