Aperio GT 450 DX User’s Guide, Revision B © Leica Biosystems Imaging, Inc. 2022
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Chapter 5: Maintenance
Six Month Maintenance
This section provides the six-month maintenance procedures. The purpose of the six month maintenance is to clean the
scanner components.
Clean the Objective and Koehler
`
Frequency: at least every six months
.
CAUTION:
When cleaning the scanner’s objective:
y
Do not remove the objective.
y
Only use the recommended cleaning cloth and solution on the objective. Otherwise, this may damage
the objective and impact image quality.
y
Do not drag anything (including lens paper) across the lens surface using a lot of pressure. This may
damage the lens.
Materials Needed
`
Texwipe TX404 Absorbond Synthetic Wipers (lens cleaning wipes made of lint-free microfiber).
`
Laboratory gloves.
To clean the objective and Koehler:
1.
Ensure the scanner is turned off. (For instructions, see
“Turn the Scanner On and Off” on page 22
.)
2.
Open the cover and access the interior:
a.
Open scanner cover.
b.
Rotate VPU latch.
c.
Pivot out VPU
“Open the Scanner Cover and Access the Interior Components” on page 48
.
