Maintenance HP Deskjet F300 Series All-in-One

his document applies to the following HP Deskjet F300 series products:
  • HP Deskjet F310, F325, F335, and F340
  • HP Deskjet F350, F370, F378, F380, F385, F388, F390, and F394
Introduction
Clean the glass and lid backing to remove surface dust and ensure that copies and scans remain clear.
Cleaning the product
Step one: Clean the exterior
Use a soft cloth or slightly moistened sponge to wipe dust, smudges, and stains off the case. The interior of the unit does not require cleaning. Keep fluids away from the control panel and the interior of the unit.
CAUTION:To avoid damage to the exterior of the unit, do not use alcohol or alcohol-based cleaning products.
Step two: Clean the glass
  1. Press the On ( ) button to turn off the unit.
  2. Disconnect the power cord from the back of the unit.
  3. Raise the lid.
  4. Clean the glass with a soft cloth or sponge slightly moistened with a non-abrasive glass cleaner.
    CAUTION:Do not use abrasives, acetone, benzene, or carbon tetrachloride on the glass because they can damage it. Do not place or spray liquid directly on the glass. The liquid might seep under the glass and damage the device.
  5. Dry the glass with a chamois or cellulose sponge to prevent spotting.
  6. Connect the power cord to the back of the unit.
  7. Press the On ( ) button to turn on the unit.
Step three: Clean the lid backing
  1. Press the On ( ) button to turn off the unit.
  2. Disconnect the power cord from the back of the unit.
  3. Raise the lid.
  4. Clean the white document backing with a soft cloth or sponge slightly moistened with a mild soap and warm water.
    NOTE:Wash the backing gently to loosen debris. Do not scrub the backing.
  5. Dry the backing with a chamois or soft cloth.
    CAUTION:Do not use paper-based wipes because they might scratch the backing.
  6. If further cleaning is needed, repeat the previous steps using isopropyl (rubbing) alcohol and then wipe the backing thoroughly with a damp cloth to remove any residual alcohol.
    CAUTION:Be careful not to spill alcohol on the glass or exterior of the unit because it might damage the device.
  7. Connect the power cord to the back of the unit.
  8. Press the On ( ) button to turn on the unit.