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English: HS3 User's Guide, Chapter 7
Print Quality Problems
Note
Press the buttons gently. Release the two buttons immediately after pressing the
Test button and the DATA LED will start to blink. If it does not, the buttons
were held down for too long and you will need to start the test selection again.
Printing a test page
Set the printer to off-line first by pushing the Online Button once.
Make sure that A4 or Letter size paper is loaded in the feeder.
Print a test page by pushing the Test button while holding down the Shift
button.
Cleaning the print head
If you see some horizontal lines as below, perform head cleaning.
Set the printer to offline first by pushing the Online Button once.
Push the Clean button while holding down the Shift button.
The printer cleans the surface of the print head. During cleaning, the Online
LED is off. Print a test page again after the printer returns to the Online state
and check that there are no dots missing.
Fig. 7-2 Cleaning the print head
Test
Clean
Shift
Fig. 7-1 Test page
Test
Clean
Shift
CHAPTER 7 TROUBLESHOOTING
7–3
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