CHAPTER 2. BASIC OPERATION
After the guide roller has rotated 160 de-c. Timing
grees, it is stopped for about 2 seconds. The[1] User cleaning 1
waste ink carriage tube which was squeezedThe user can perform the cleaning
recovers during this period, and suction isoperation for all heads.
generated, sucking ink from the color headY One suction operation occurs for all
nozzles. The guide roller then rotates 223heads.
degrees, where the cam for the black head[2] User cleaning 2
starts to squeeze the waste ink carriage tube.The user can perform the cleaning
After the guide roller has rotated 340operation for the Bk head.
degrees, it is stopped for about 3 seconds,Y One suction operation occurs for the
while the waste ink carriage tube recovers,Bk head.
sucking ink from the black head nozzles.[3] User cleaning 3
The guide roller then, rotates to the homeWhen an ink tank is removed and
position.then reinstalled, the user can perform
When sucking only color ink, the blackthe cleaning operation for at head.
ink cap is released, so that no black suctionY Three suction operations occur for the
occurs.corresponding head.
[4] Suction for a replaced ink tank
After printing is completed, the caps of all
When an ink tank is replaced, head
the heads are released, and the guide roller iscleaning is conducted.
rotated 4 times to move ink that has accumu-
Y Three suction operations occur for all
lated in the waste ink carriage tube to theheads, color head, or the Bk head.
waste ink absorber unit.
[5] Suction for replaced BJ print head
Guide When a BJ print head is replaced, head
roller
cleaning is conducted.
Head
Y Four suction operations occur for all
Cap
heads.
Pressurizing
cam Carriage
(for blacktube
ink)
Pressurizing
70u cam
(for color ink)
40u
Actuator
Waste Purge position sensor
M3
ink tank
Purge motor
Figure 2-405
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