Oki ES3640MFP Service & Troubleshooting Manual page 45

3.2 Generating and Analyzing Control Panel Test Prints
Control panel test prints must first be enabled in service mode. Enter Service
Mode by holding down the menu up / menu down and help buttons at the same
time while powering up the printer unit. (This may take up to 60 seconds.)
To generate the "ID Check Pattern" test print select "Menu" arrow down to "Print Pages"
Select "Maintenance Print Menu" – Select "Enter"
System Maintenance
*OKIUSER
Maintenance Print Menu
Print Page Count
Select "Enable" – Select "Enter"
Maintenance Print Menu
*Enable
Disable
Select "Cancel" to exit service mode and restart server
Configuration
Print Pages
Suspend Printing
Resume Printing
Arrow down to "ID Check Pattern" Select "Enter"
Usage Report
Statistics Report
Error Log
ID Check Pattern