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 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.

Test

Clean

Shift

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

Clean

Shift

Fig. 7-2 Cleaning the print head

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