Canon BJC-70 User Manual page 110

5. Clean the platen area.
PLATEN
6. Clean the exterior of the printer.
100
Maintaining the Printer
Use a soft cloth.
Feed a blank sheet of paper through the printer.
Use a soft cloth moistened with water.
Clean any smudges or dust.
Do not clean the exterior of the printer with volatile liquids such as
thinners, benzine, or any spray-type or chemical cleaners; doing so
will damage the surface of the printer.
Do not submerge the printer in water.
Chapter 7