Instruction manual

MAINTENANCE
7-3
Beam Splitter Cleaning
1. Remove aperture as described in "Exterior Cleaning".
2. Clean residue from Beam Splitter [1] with dry Q-Tip.
3. Remove dust and lint by lightly blowing air into target opening.
Optics Cleaning
1. Cover aperture [1] with small piece of plastic.
2. Grasp reading head assembly [2] and lift upwards.
3. Clean residue and dust from optics [3] with Q-tip slightly moistened
with alcohol.