Canon WS8400 Service Manual page 132

Chapter 4
The ink absorber [3] can absorb the ink manually drained two times. Replace the ink absorber [3] as required.
Step 2
6) Connect the syringe ink tube to the needle [1] of the sub-buffer. Pull the plunger of the syringe to remove the ink inside the sub-buffer and discard to
the ink absorber in the ink supply mount. Repeat this until there is no more ink left.
7) Open the ink supply valve. For details, refer to DISASSEMBLY/REASSEMBLY > Points to Notes on Disassembly and Reassembly > Opening
and closing the ink supply valve.
8) Connect the syringe ink tube to the needle [2] of the ink supply side. Pull the plunger of the syringe to remove the ink inside the ink supply unit and
discard to the ink absorber in the ink supply mount. Repeat this until there is no more ink left. For details, refer to DISASSEMBLY/REASSEMBLY
> Points to Notes on Disassembly and Reassembly > Opening and closing the ink supply valve.
Step 3
9) Repeat Step 2 for all colors until there is no ink left.
* This figure shows the main access points for manual ink drainage.
The numbers in parentheses correspond to the numbers of the manual ink drainage procedure.
4-32
[1]
F-4-69
[2]
F-4-70
[2]
[3]
[1]