Canon BJC-55 User Manual page 355

I Unpacking the Scanner Cartridge
Make sure you have the following items.
IS-12 Color Image Scanner Cartridge
The scanner cartridge is composed of precision components. To avoid
Caution
poor scanning results, do not touch the optical components or electrical
contacts.
Electrical contacts
Using the Optional IS-12 Color Image Scanner Cartridge
Using the Scanner
Optical components
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