Canon Color Bubble Jet BJC-5000 Series, Service Manual

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3.3 Disassembly and Assembly Precautions
The printer has a large number of plastic parts. When you disassemble the printer, be
very careful not to break or bend the plastic hooks.
Some plastic parts are made of highly rigid material containing glass fibers
to improve precision. Such material have low viscosity, however, and the
plastic hooks can break easily. When you disassemble the printer, use a
screwdriver and do not apply excessive force on the plastic hooks.
3.4 Built-in Self-Diagnosis
The printer is provided with a self-diagnosis feature which analyzes hardware defects.
The results of the self-diagnosis are shown by the indicators and the beeper. See “
Part
3: 3.1, Error Indications” (page 3-14) for more information.
Part 1: Safety and Precautions BJC-5000
1-12
CAUTION
Hook
Never apply excessive force
to release a hook.
Figure 1-14 Releasing the Plastic Hooks