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R
UNNING
 
THE
 
SELF
 
TESTS
Font sample test
ASCII test
S
ELECTING
 
AN
 
EMULATION
 
The factory default emulation for your printer is:
To change to one of the other emulations: 
1. Make sure paper is loaded.
2. Deselect the printer (SEL light off, press SEL key). 
MEDIA SETTING
45 - 75g/m² paper 1
75-90g/m² bond paper 2
Labels 3 - 4
Envelopes 5
2-part form (w/carbon) 3 - 4
3-part form (w/carbon) 4 - 5
4-part form (w/carbon) 5
To run the test: Turn the printer off, then press and hold LF while 
turning the printer on.
To stop the test: If you wish to stop the test before it is complete, 
press SEL.
To run the test: Turn the printer off, then press and hold QUIET 
while turning the printer on.
To stop the test: Press SEL.
MODEL EMULATION (DEFAULT)
ML3320ECO/ML3321ECO IBM PPR
ML3390ECO/ML3391ECO EPSON LQ