• If you cannot move the development unit plate behind the horizontal pin, turn the front gear of
the unit to the left and try again.
• Make sure the pipeline shutter is rotated down to the open position.
6. Reattach all removed parts.
Initializing the Drum Settings
You must do SP2963 (Installation Mode) to 1) Initialize the developer and do a forced toner supply to the
development unit, and 2) Initialize the auto process control settings.
• You must open the front door before you switch the machine on. If you do this, the machine does not
do the short automatic process control procedure, which is usually done after the machine power is
turned on.
• SP2963 must be done before you do sample copying or test printing.
• If you do not press [#Enter]”in Step 6, the auto process control items (potential sensor calibration,
Vsg, Vref, etc.) will not initialize correctly.
1. Open the front door.
2. Connect the power cord.
3. Turn the power switch on.
4. Go into the SP mode.
5. Close the front door.
6. Do SP2963.
• After you push [#Enter], you will see "Processing" in the display.
• Initializing toner supply and the auto process control settings takes about 4 minutes.
• The process is finished when you see "OK" on the display.
7. Leave the SP mode.
8. Attach the applicable decals (supplied with the machine) to the paper trays.
9. Check the copy quality and machine operation.
• After you replace developer in a machine that has been already installed, do not use SP2963;
use SP2801 (TD Sensor Initial Setting) instead to initialize the TD sensor.
Tandem Tray
Before shipping the machine, the tandem tray is set for A4 or LT LEF and must be adjusted if the customer
wants to use the tandem tray for another paper size.
1. Installation
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