English: HS3 User’s Guide, Chapter 7
CHAPTER 7 TROUBLESHOOTING
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 pageSet the printer to
Print a test page by pushing the Test button while holding down the Shift button.
Test
Clean
Shift
Fig.
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.
Test
Clean
Shift
Fig.