Printout Of Test Pattern (Maintenance Mode 09) - Brother MFC-J3520 Service Manual

1.3.5 Printout of Test Pattern (Maintenance mode 09)

< Function >
This function prints out a test pattern (Print Quality Check sheet) to allow the service
personnel to check the print quality, together with the serial number.
If any print quality problem is found, use
(Maintenance mode 76)"
< Operating Procedure >
(1) Press the 0 and 9 keys in this order in the initial stage of the maintenance mode.
The machine displays "PRINTING" on the LCD and prints out a test pattern.
If no recording paper is loaded in the paper tray, printing will be canceled.
(2) Upon completion of printing, the machine returns to the initial stage of the
maintenance mode.
Test Pattern

Section 1.3.29 "Purge Operation
to perform head cleaning.
5-13
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