Cleaning the Print Heads, UV Lamp Glass, Roller and Wiper

Regular inspection and cleaning of the orifice plates on the bottom of the print heads prevents print nozzles from clogging. Cleaning the roller, wiper, and UV lamp glass are also important for maintaining quality printing. A wizard adjusts printer components to enable access to these key areas, and it guides you through the cleaning procedure. To maintain the printer in optimum condition, run the wizard after every print job, when you remove the 3D print from the build tray. This procedure takes about 20 minutes.

Before running the wizard, empty the waste container. A full waste container can cause the wizard to cancel or freeze.
To clean the printer components:
1.   Prepare—
•   90% isopropanol (IPA—isopropyl alcohol) or ethanol (ethyl alcohol)
•   disposable cleaning gloves
•   a supplied 3M sanding sponge
•   a supplied cleaning cloth or equivalent
•   a mirror
2.   Start the Cleaning wizard from the Options menu.

3.   Make sure that the build tray is clear (empty), and close the cover. Confirm this in the wizard screen and click Next.

The printer moves components to the cleaning position.

4.   When the following screen appears, open the printer.

Warning: Hot Surface
The print head orifice plates (bottom surface) may be hot. Do not touch them with your bare hands, and proceed with caution.
5.   Place the mirror on the build tray.
6.   Put on the gloves.
Caution
Uncured printing material on the print heads might cause skin irritation. Use disposable cleaning gloves to protect your hands.
7.   Soak the cleaning cloth with alcohol.
8.   Clean the orifice plates with a back-and-forth motion. Use the mirror to make sure that you have removed all of the residue material.

Once a month, remove and clean the print-head splash shield. (See step 4 in Cleaning the Print-Head Splash Shield.)
9.   Using the supplied cleaning sponge, clean the glass lens on both UV lamps.
10.   Using the alcohol-soaked cleaning cloth, remove any material remaining on the wiper and the surrounding area.
11.   Remove any pieces of waste material collected in the purge unit. If necessary, remove the waste collector to clean it. Wipe the rubber seal.

Note: When returning the waste collector to the purge unit, make sure to insert it as shown.

12.   Inspect the wiper.

If the wiper is scratched, torn or worn, or if you cannot clean it completely, replace it.

a.  Grasp it and pull it up and out of its bracket.

b.  Insert the new wiper blade, making sure that it is straight and secured well on both sides.

13.   Select the confirmation check boxes in the wizard screen and click Next.
14.   Activate the roller, so that it rotates while you clean it.

15.   With a cleaning cloth soaked with alcohol, clean the roller surface, as it is rotating.
Caution
Use caution when cleaning the rotating roller. Use a cleaning cloth or the supplied UV sanding sponge.
16.   When the roller is clean, select the confirmation check box in the wizard screen and click Next.

The roller stops rotating when you click Next.

17.   Remove the cleaning materials from the printer and close the printer cover.
18.   Select the confirmation check boxes in the wizard screen and click Next.

The head-purge cycle begins. When this is complete, the final wizard screen appears.

19.   Click Done to close the wizard.
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