Canon BJ-W3000 Service Manual page 97

CHAPTER 2. BASIC OPERATION
No. Name
[1] Tank packing
[2] Ink filter
[3] Cartridge body
[4] Ink pipe
[5] Ink guide
Head packing
[6]
[7] Wiper cleaner
[8] Head unit
[9]
Head holder
[10]
Tank body
[11] Ink supplier
[12] Ink sponge
[13] Atmospheric air pas-
sage plate
2–40
Seals between the ink tank and ink pipe to prevent leakage.
Filters the ink to prevent foreign matter from entering the ink
passage.
A case accommodating and connecting the head unit and ink
tank.
Passage between ink tank and ink guide
Passage between the ink pipe and head unit
Seals between the ink guide and BJ head unit to prevent ink
from leaking.
Wipes off ink attached to the wiper.
Accepts ink from the ink guide and discharges ink by the print
signal.
A holder to mount the head unit through the ink guide.
A case accommodating the ink sponge
Feeds the ink from the ink sponge to the ink pipe under
constant pressure
Sponge soaked with ink
A hole and groove on the plate and label stuck to it compose
an atmospheric air passage between the inside and outside of
the ink tank. It prevents pressure variations in the cartridge,
due to ink consumption or environmental conditions, for
stable supply of ink to the head unit.
Table 2-301
Function