# HEAD CLEANING [CL1: C03][CL2: C04][CL3: C05][STRONG CL : C06][REFRESH CL: C07]

1. Start service support mode.
   • Service mode startup and operating procedures
2. Select “Maintenance: MENU” from the service support mode top menu.
3. Select cleaning (CL1, CL2, CL3, Strong CL, Refresh CL).
   

   Check Point / チェックポイント

   Select and execute the corresponding adjustment item using either procedure below.

   • Selecting by entering the program number
   1. Select “Input C No._Maintenance” from the Adjustment menu.
   2. Press the [#] button and software number key is displayed on LCD. Enter program number “03”, “04”, “05”, “06”, “07”.
      CL1: 03
      CL2: 04
      CL3: 05
      Strong CL 06
      Ink Replacement 07
   3. Press the [#] button.
   • Selecting from menu
   1. Select “Head Cleaning: MENU” from the maintenance menu.
   2. Select the cleaning level.
      • C03 CL1: When there are slight nozzle disconnection and defective discharge
      • C04 CL2: When there is nozzle disconnection that allows air bubbles to enter between the nozzle and reservoir
      • C05 CL3: When there is nozzle disconnection caused by air bubbles accumulating under the filter in the head
      • C06 Strong CL: When there are residual air bubbles in the head filter upper section to supply system, or when there is a nozzle disconnection occurring with paper dust stuck inside the nozzle section
      • C07 Refresh CL: When there is nozzle disconnection that makes restore difficult in strong cleaning such as when paper dust is still stuck inside the nozzle
4. Press the [2] button to start head cleaning.