December 2008
Document #: 720002-0000R 18
3. Follow steps in section 2.7 to access printing mechanism
area. Remove paper dust and clean the printing elements line (black line on the
print head) with a cotton swab and (IPA) isopropyl alcohol
Figure 20: Clean printing head
4. Clean the platen roller with a cotton swab and (IPA)isopropyl alcohol
Figure 21: Clean roller
5. Clean index mark (TOF) sensor using portable vacuum cleaner or compressed
air
Figure 22: Clean TOF sensor
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