Cleaning The Print Head - Sharp UP-820N Instruction Manual

Cleaning the Print Head

When the printed text is getting dark or faint, paper dust may be stuck to the print head. Clean the print head as follows:
Cutter open tab
1.
Select the OFF mode.
2.
Remove the printer cover.
3.
Remove the paper roll(s).
4.
While pushing the cutter open tab, pull up the cutter unit.
5.
Pull the print head release lever all the way forward
(after it stops at one position, continue pulling forward
until it stops again and cannot be pulled forward any
further).
Cutter unit
6.
Clean the print head with a soft rag moistened with ethyl
Print head
alcohol or isopropyl alcohol.
7.
Return the print head release lever to its original position
immediately after cleaning.
8.
Return the cutter unit to its original position. Make sure
the metal part is surely hooked to the cutter open tab.
9.
Reset the paper roll(s) correctly by following the step in
"Installing the paper roll".
10.
Replace the printer cover.
Precautions:
Never touch the print head with a tool or anything hard
as it may damage the head.
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