Canon BJC 50 Service Manual - Page 120

Canon BJC 50 - Color Inkjet Printer Manual

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Part 4: Technical Reference BJC-50 3.5 Carriage Section 3.5.1 Carriage section function a) Ink/BJ cartridge mounting function The carriage holds the BJ cartridge and connects it electronically to the control board through the carriage ribbon cable. When the power is off, the carriage is locked at the capping position where the carriage is locked by the lock arm. b) Carriage drive function The carriage is moved horizontally by the carriage belt, which is driven by the carriage motor. c) BJ cartridge maintenance function The printer performs the wiping operation and cleaning operation for the BJ cartridge by controlling the position of carriage. 1) Setting and releasing the wiper When the carriage moves horizontally, the wiper lever and the latch lever in the purge section are operated. 2) Start of the cleaning operation The BJ cartridge cleaning starts when the carriage moves horizontally and the trigger gear is engaged with the paper feed gear to drive the pump gear. Wiper Lever Latch Lever Cap Paper Feed Double Gear Toriger Gear Paper Feed Gear Wiper Pump Gear Cylinder Gear Pump Carriage Figure 4-24 Cartridge Section Function 4-32

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3.5 Carriage Section
3.5.1 Carriage section function
a) Ink/BJ cartridge mounting function
The carriage holds the BJ cartridge and connects it electronically to the control
board through the carriage ribbon cable.
When the power is off, the carriage is
locked at the capping position where the carriage is locked by the lock arm.
b) Carriage drive function
The carriage is moved horizontally by the carriage belt, which is driven by the
carriage motor.
c) BJ cartridge maintenance function
The printer performs the wiping operation and cleaning operation for the BJ
cartridge by controlling the position of carriage.
1) Setting and releasing the wiper
When the carriage moves horizontally, the wiper lever and the latch lever in the
purge section are operated.
2) Start of the cleaning operation
The BJ cartridge cleaning starts when the carriage moves horizontally and the
trigger gear is engaged with the paper feed gear to drive the pump gear.
Part 4: Technical Reference
BJC-50
4-32
Paper Feed Double Gear
Toriger Gear
Paper Feed Gear
Pump Gear
Cylinder Gear
Pump
Cap
Wiper
Latch Lever
Wiper Lever
Carriage
Figure 4-24 Cartridge Section Function