6-2 Phaser 6121MFP Service Manual
Adjustments and Calibrations
Adjust Function Procedures
Using the Adjust Functions
The Adjustment Setting section contains detailed information on the adjustment
items and procedures for this machine. Before attempting to solve the customer
problem, perform these checks:
• The power supply voltage meets the specifications.
• The power supply is properly grounded.
• The installation site is environmentally appropriate: high temperature, high
humidity, direct sunlight, ventilation, etc.; levelness of the installation site.
• The original has a problem that may cause a defective image.
• The density is properly selected.
• The original glass or related part is dirty.
• Correct paper is being used for printing.
• The units, parts, and supplies used for printing are properly replenished.
• Toner is not running out.
Service Mode
Entering Service Mode
1. On the initial screen, press the following buttons in this order.
OK > Stop/Reset > 0 > 0 > Stop/Reset > 0 > 1
The Control Panel displays the following:
Service Mode
Service’s Choice
Adjustment
Counter
2. Press Up or Down to navigate through the menu.
3. Once you find the desired function, press the OK button again to enter the
submenu or initiate the action.
Pressing the Back/Menu at any level takes you up to the previous command
level.
Exiting Service Mode
1. Press Stop/Reset to exit.
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