Test Pattern (Function Code 09) - Brother DCP375CW Service Manual

9.4.4

Test Pattern (Function code 09)

Function
This function prints out a test pattern (Print Quality Check sheet) to allow the service personnel
to check the print quality.
Before starting the operation below, be sure to set letter- or A4-size paper in the paper tray for
printing check patterns.
Operating Procedure
Press the 0 and 9 keys in this order in the initial stage of the maintenance mode. For models
without numerical keypad, enter 0 and 9 in this order using the , and OK keys.
The figure on the next page shows a test pattern which is printed on the Print Quality Check
sheet. You can check the print quality with the test pattern.
Confidential
9-9