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BJC-5000
3. PRINTER MECHANICAL SYSTEM
3.1 Overview
This section describes the printer's mechanical components.
BJ Cartridge
3.1.1 Mechanical components
1) BJ cartridge
A user replaces and installs the BJ cartridges as required. The black and photo BJ
cartridges are integrated and use the same head. The color BJ cartridge has
separate replaceable ink cartridges.
2) Purge section
The purge section helps maintain high-quality printing by capping and wiping the
face of the BJ cartridge. The absorption function recovers the conditions that allow
the ink in the nozzles to be discharged easily.
The purge section consists of the purge unit and wiper unit.
The purge unit is driven by the paper feed motor. It absorbs the ink of the BJ
cartridge and removes the ink in the cap. When the printer is not in use, the purge
unit caps the nozzles of the BJ cartridge for protection.
The wiper unit provides a wiping function to wipe the head face and the
maintenance jet receiving function.
3) Carriage
The carriage is moved horizontally back and forth across the paper by the carriage
belt driven by the carriage motor. The print signals from the logic board are
transmitted to two BJ cartridges installed on the carriage via the carriage cable.
The carriage performs switching control of the paper feed motor (control of the stay
unit's slide lock lever) to switch the motor's drive between the paper feed/purge unit
and the sheet feeder.
Carriage
Paper Feed Section
Figure 4-11 Mechanical System of Printer
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Part 4: Technical Reference
Sheet Feeder
Purge Unit
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