To adjust this setting:
1 From the Diagnostics menu, navigate to:
EP Setup > Gap Adjust
2 Press OK or touch 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
• Calculates reflectivity ratios and operating points to attain the darkness target of each operating point
• Modifies the EP mechanism as necessary to adjust toner darkness
The cartridge smart chip controls how often this process executes.
Note: No messages are displayed on the control panel to give any indication that this test is running. The device
stores the results of its most recent process in the Auto dark adj field on the Menu settings page report.
When deactivated, the printer disables and never executes this process.
To adjust this setting:
1 From the Diagnostics menu, navigate to:
EP Setup > Auto Dark Adj
2 Choose Enable or Disable.
3 Press OK to save any changes.
Reports
Menu Settings Page
This setting prints the Menu Settings Page. The report prints the Diagnostics Menu settings and their current values.
Event Log
Display Log
This version of the Event log displays the panel text that appeared when the event occurred.
4514-630, -635, -636
Service menus
135
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