Brother HS-5000 User Manual

Page of 84
 CHAPTER 7 TROUBLESHOOTING
7–3
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.
Shift
Test
Clean
Fig. 7-1 Test page
❏ 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.
Test
Shift
Clean
Fig. 7-2 Cleaning the print head