To adjust this setting:
1 From the Diagnostics menu, navigate to:
EP Setup > Transfer Adjust
2 Press OK to save any changes.
Print Contrast
This setting controls the developer voltage offset.
To adjust this setting:
1 From the Diagnostics menu, navigate to:
EP Setup > Print Contrast
2 Press OK to save any changes.
Charge Roll
This setting controls the charge roll voltage.
To adjust this setting:
1 From the Diagnostics menu, navigate to:
EP Setup > Charge Roll
2 Press OK to save any changes.
Gap Adjust
This setting adjusts the minimum gap between sheets. Increasing this value may reduce curl of some printed media
and eliminate some output bin stacking problems. However, increasing this value also results in slower overall
performance, measured in pages per minute.
The range of values is 0 to 255, and the default value is 0.
To adjust this setting:
1 From the Diagnostics menu, navigate to:
EP Setup > Gap Adjust
2 Press OK to save any changes.
Auto Dark Adj
When activated, this setting attempts to optimize the amount of toner used when printing with a specific operating
point.
Each time this setting executes, the printer performs the following:
• Calibrates its toner density sensor
• Measures the reflectivity of its bare drum
• Prints patches on the drum and measures the reflectivity of the drum through the patches
• Cleans the transfer roll
4514-420, -430
Service menus
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