Canon BJC-55 - Manual (Page 86)

Cleaning inside and outside the printer
1.
Open the top cover.
When the top cover is open, never touch the orange film cable inside
the printer.
2.
Clean the platen.
The platen, which holds the paper in position during ink transfer,
may be soiled after a paper jam or other paper feed problems. When
the platen is soiled with ink, the back or edge of the printed sheet
may be smudged. Use a soft, dry cloth to wipe the platen clean.
WHILE YOU ARE CLEANING THE INSIDE OF THE PRINTER, DO
NOT BEND THE INSTRUCTION PLATE.
84 Chapter 5 Daily Operation and Printer Maintenance
Platen
Instruction plate
Film cable