HP 310 Basic Manual page 41

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clean the glass on page 21
on page 22
settings on page 11
clean the cartridges on page 24
replace the print cartridges on page 22
lighten or darken a copy on page 15
print self-test report on page 21
clean the cartridges on page 24
replace the print cartridges on page 22
recommended paper type
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clean the lid backing