Canon BJC6500 Service Manual - Page 34

Unlocking the Carriage, 3 Disassembling and Reassembling the Printer - bjc printer manual

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Part 2: MAINTENANCE BJC-6500 2.3 Disassembling and Reassembling the Printer Note the following when disassembling or reassembling the printer. When disassembling or reassembling the printer, refer to the parts catalog. The numbers in the parts catalog illustrations indicate the disassembly sequence. 2.3.1 Unlocking the carriage When the printer is shipped from the factory (or when the cartridges are installed and the power has been turned off normally), the carriage is locked in the capping position to secure the cartridges during transportation. When the printer is powered on properly, the carriage locking is disabled automatically. If the printer cannot be powered on normally, it will be necessary to manually unlock the carriage. This can be done by turning the paper eject roller gear half a turn (5 indented notches) in the direction of arrow 2 with a flat-blade screwdriver while gently pressing the carriage in the direction of arrow 1. You can also use the carriage key to turn the paper eject roller gear. 2 1 Paper Eject Roller Gear Figure 2-5 Unlocking the Carriage 2.3.2 Reinstalling tap screws The printer unit is secured to the base with tap screws. Once tap screws have been removed, pieces of the molding remain attached to the screw threads. Reinstalling the tap screws in this condition can damage the screw threads. To prevent this, when reinstalling screws, where possible, new screws should be used. 2-6

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2.3 Disassembling and Reassembling the Printer
Note the following when disassembling or reassembling the printer.
When
disassembling or reassembling the printer, refer to the parts catalog.
The numbers in
the parts catalog illustrations indicate the disassembly sequence.
2.3.1 Unlocking the carriage
When the printer is shipped from the factory (or when the cartridges are installed and
the power has been turned off normally), the carriage is locked in the capping position
to secure the cartridges during transportation.
When the printer is powered on
properly, the carriage locking is disabled automatically.
If the printer cannot be
powered on normally, it will be necessary to manually unlock the carriage.
This can
be done by turning the paper eject roller gear half a turn (5 indented notches) in the
direction of arrow 2 with a flat-blade screwdriver while gently pressing the carriage in
the direction of arrow 1.
You can also use the carriage key to turn the paper eject
roller gear.
2.3.2 Reinstalling tap screws
The printer unit is secured to the base with tap screws.
Once tap screws have been
removed, pieces of the molding remain attached to the screw threads.
Reinstalling the
tap screws in this condition can damage the screw threads.
To prevent this, when
reinstalling screws, where possible, new screws should be used.
Part 2: MAINTENANCE
BJC-6500
2-6
Figure 2-5 Unlocking the Carriage
2
1
Paper Eject Roller Gear