OKI B4200

• 1). Start the status-monitor by clicking "Start," "Programs," then select "Status Monitor" on your computer. The status-monitor shows you the printer's operations as you use it.
  
  
• 2). Click the "Printer Setup" tab, then click the "Menu" button and the "Maintenance 1" tab.
  
  
• 3). Click the "Reset" button located next to the drum counter. Click the "OK" button, which resets the drum counter.
  
  

OKI B4200 Without the Status Monitor

• 1). Switch your OKI Data printer to the "Off" position.
  
  
• 2). Open the top cover of the printer.
  
  
• 3). Locate the operator panel beneath the indicator lights, then press the gray oval button and hold it.
  
  
• 4). Switch the OKI Data printer to the "On" position while you continue holding down the gray button. This procedure resets the drum counter.
  
  

OKI B4300

• 1). Take the printer offline by pressing the "Online" button, located on the operator panel on the top of the OKI Data printer.
  
  
• 2). Press the "Menu" button until you see "Maintenance Menu" on the operator-panel LCD. Press the "Select" button.
  
  
• 3). Press the "Item" button until you see "Drum Count Reset" displayed.
  
  
• 4). Reset the drum counter by pressing the "Select" button.
  
  
• 5). Press the "Online" button to return the printer online.