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Troubleshooting > Using the Maintenance Menu
Using the Maintenance Menu
You can use the [Maintenance Menu] to adjust the print position, and maximize the print quality for the elevation of your 
location.
Maintenance Menu User Guide
Item Description
Adjust print 
position
Printing start position Enter or select the top margin start position for printing.
Value: 0 to 300 mm (in 5 mm increments)
Center Line Enter or select the left margin start position for printing for each 
available paper source. This setting is available for each cassette 
when optional paper feeders are installed.
Value: -25 to 25 mm (in 5 mm increments)
Adjust print 
quality
Drum charge setting When print quality has deteriorated, the output of the main charger 
can be changed to restore print quality.
Value: 1 to 7
Altitude setting If you are using the machine at an altitude of 1,000 m or higher and 
print quality has deteriorated, the Altitude setting can be used to 
restore print quality.
Value: Normal, 1001 - 2000m, 2001 - 3000m, 3001 - 3500m
Drum refresh Perform Drum refresh when images show streaking with white lines.