Cleaning The Cr Unit - Epson ET-4550 Service Manual

Note:Actu Note:Actual ink/pure
Maint Mainte e nanc na nce e
E E p p s s o o n n E E T T - - 4 4 5 5 5 5 0 0 , , L L 6 6
4.1.2 4.1.2 Cleaning Cleaning the CR
In this product, ink may be attached on the CR Unit by s In this product, ink may be
So, head short circuit may arise due to ink attachment on the terminal of the head FFC when replacing the So, head short circuit may arise due to ink attachment on the terminal of the head FFC when replacing the
printhead. printhead.
 
 
  Tool Tool
 
Cotton swab or soft dry dust-free cloth Cotton swab or soft dry dust-free cloth
  Cleaning procedure Cleaning procedure
1. 1. After pulling out the head FFC wh After pulling out the head FFC while holding the printhead from
attachment on the CR Unit. attachment on the CR Unit.
al ink/pure water/CR02 water/CR02 can be u can be used to enh
5 5 5 5 / / 6 6 5 5 6 6
the CR Unit Unit
attached on the CR Unit by structure of Printhead and CR Unit.
This cleaning should be carried out This cleaning should be carried out only when replacing the printhead.
When installing the Printhead, make sure the Head FFC is not contaminated with ink When installing the Printhead, make sure the Head
beforehand. beforehand.
Clean it parallel to the nozzle line. Clean it parallel to the nozzle line.
sed to enhance tran ance transcription of scription of foreign ma
Clea Cle a ning ning
tructure of Printhead and CR Unit.
only when replacing the printhead.
ile holding the printhead from the carriage, confirm the ink
Foreign material Foreign material
foreign material. terial.
FFC is not contaminated with ink
the carriage, confirm the ink
66 66
Confidential Confidential
R R e e v v i i s s i i o o n n B B