Service manual

Maintenance Mode
SM 5-9 M085/M086
Service
Maintenance
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.
When there is problem in the print quality, this function use to carve up whether there is the
cause in the recording side or the reading side.
<Operating Procedure>
1. <M085 >
Press in order the 0 and 9 buttons in the initial stage of the maintenance mode.
<M086/M104>
Press the
or button. "MAINTENANCE 09" appears on the LCD, and then press the
OK button.
2. The machine starts printing a test pattern. Upon completion of printing, the machine beeps
for one second and returns to the initial stage of the maintenance mode.
The figure below shows a test pattern that is printed.