Maintaining Your 3D Printer
full. Replacement nozzle wiping pads are available in our online store at
http://LulzBot.com. Do not attempt to use a plastic or polymer based
wiping pad as it can melt, rather than clean the nozzle. A metal wiping
pad should never be used, as it can cause electrical shorts. If the nozzle is
not clean during the bed-level calibration process the print surface or tool
head can be damaged.
4.9 Bed Leveling Washers
Keep the washers mounted on each corner of the print surface clean and
dust free by wiping them periodically with Isopropyl Alcohol (IPA), or a
clean dry cloth. If the bed leveling washers are not clean during the bed
calibration process the print surface or tool head may be damaged. Never
attempt to clean the bed leveling washers during the probing sequence as
it may lead to personal injury.
4.10 Cooling Fans
Every 2-4 weeks carefully clean your hot end cooling fans by rst unplugging
the tool head from the extruder harness. Gently blow any dust away with
short bursts with a can of compressed air.
4.11 Electronics
The electronics case holding the RAMBo board may need dust blown out
occasionally. Power down the printer and use short bursts of compressed
air to blow out any dust.
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