Canon BJC 6000 Service Manual - Page 89

Printer's Mechanical System,

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BJC-6000 Part 4: Technical Reference 3. PRINTER'S MECHANICAL SYSTEM 3.1 Overview The printer's mechanical system is comprised of the BJ cartridges, carriage unit, purge unit, paper-feed unit, and drive switching unit. The following describes each of these units: Paper Feed Unit Carriage Unit Drive Switching Unit BJ Cartridges Purge Unit Figure 4-13 Printer's Mechanical System 3.1.1 BJ cartridge unit There are 3 types of BJ cartridges: the Black BJ cartridge with 160 nozzles and a 360 dpi nozzle pitch, the Color BJ cartridge with 48 nozzles and a 360 dpi pitch per color (yellow, magenta, and cyan), and the Photo BJ cartridge with 48 nozzles and a 360dpi nozzle pitch per color (photo-black, photo-magenta, and photo-cyan). The user can install the cartridges in accordance to his/her printing needs. Always install the Color BJ cartridge on the right side of the carriage. The left side of the carriage is for either the Black BJ cartridge or Photo BJ cartridge, depending on the specific printing requirements. Each BJ cartridge has detachable ink tanks, making it possible to replace only the ink tank. 3.1.2 Carriage unit The carriage, with two BJ cartridges installed in it, moves back and forth, along the horizontal width of the paper, by the carriage belt driven by the carriage motor. The carriage position is controlled by the carriage motor drive pulses after its initial position is detected by the home position sensor mounted on the carriage board. The print signals from the control board will be transmitted via the carriage ribbon cable to the BJ cartridges installed in the carriage. The carriage controls the paper feed motor drive switching unit, driving of the paper feed and purge unit, and switching of the auto-sheet feeder drive. The carriage also controls the position for which capping, wiping, or pumping is performed by the purge unit for BJ cartridge maintenance. 4-17

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3.
PRINTER'S MECHANICAL SYSTEM
3.1 Overview
The printer's mechanical system is comprised of the BJ cartridges, carriage unit, purge
unit, paper-feed unit, and drive switching unit.
The following describes each of these
units:
3.1.1
BJ cartridge unit
There are 3 types of BJ cartridges: the Black BJ cartridge with 160 nozzles and a 360
dpi nozzle pitch, the Color BJ cartridge with 48 nozzles and a 360 dpi pitch per color
(yellow, magenta, and cyan), and the Photo BJ cartridge with 48 nozzles and a 360dpi
nozzle pitch per color (photo-black, photo-magenta, and photo-cyan).
The user can
install the cartridges in accordance to his/her printing needs.
Always install the
Color BJ cartridge on the right side of the carriage.
The left side of the carriage is for
either the Black BJ cartridge or Photo BJ cartridge, depending on the specific printing
requirements.
Each BJ cartridge has detachable ink tanks, making it possible to
replace only the ink tank.
3.1.2
Carriage unit
The carriage, with two BJ cartridges installed in it, moves back and forth, along the
horizontal width of the paper, by the carriage belt driven by the carriage motor.
The
carriage position is controlled by the carriage motor drive pulses after its initial
position is detected by the home position sensor mounted on the carriage board.
The
print signals from the control board will be transmitted via the carriage ribbon cable
to the BJ cartridges installed in the carriage.
The carriage controls the paper feed
motor drive switching unit, driving of the paper feed and purge unit, and switching of
the auto-sheet feeder drive.
The carriage also controls the position for which capping,
wiping, or pumping is performed by the purge unit for BJ cartridge maintenance.
4-17
BJC-6000
Part 4: Technical Reference
Drive Switching Unit
Purge Unit
BJ Cartridges
Carriage Unit
Paper Feed Unit
Figure 4-13
Printer's Mechanical System