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When the printed text is getting dark or faint, there may be paper dust adhering to the print head. Clean the print
head as follows:
Cleaning the Print Head (UP-810F)
1.
Select the OFF mode.
2.
Remove the printer cover.
3.
Pull up the print head release lever to the “up” position.
4.
Remove the paper roll.
5.
While pushing the cutter open lever to the right, pull up the
cutter unit.
Print head
Cutter unit
Cutter open lever
Gear
Precautions:
Never touch the print head with a tool or anything hard which
may damage the head.
6.
Clean the print head with a soft rag moistened ethyl 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 lever.
9.
Reset the paper roll correctly by following the step in “Install-
ing a paper roll”.
10.
Replace the printer cover.
Summary of Contents for UP-810F
Page 1: ...The above illustration shows the UP 820F ...
Page 70: ... 68 Example B S 101 GLU 102 GLU 2 ENTER CA AT B S Touch the item for bill splitting ...
Page 258: ... 256 Optional features PGM2 mode To be continued Report type Setting ...
Page 264: ... 262 Direct key PGM2 mode Report type Key no PLU code ...