Oki IP-7900-21 Advanced Operation Manual page 74

7
Dummy subcartridges
8
Subcartridge cover
STEP 3 Remove the four ink trays and perform the cleaning twice.
1
Ink box cover
2
Ink trays to be removed
Ink trays to be removed
3 Ink box cover
74
IP-7900-20/21/7700-20/21 Advanced Operation Guide
Set the dummy subcartridges of the color
replacement set.
To switch 8-color mode to 4-color mode:
Set the subcartridges for Lm2, Gy4, Lc6, and Lg8.
L O A D
L m 2 D U M M Y S U B C A R T
To switch 4-color mode to 8-color mode:
Set the subcartridges for M2, K4, C6, and Y8.
L O A D
M 2 D U M M Y S U B C A R T
Close the subcartridge cover and tighten the
two knob screws.
C L O S E
S U B C A R T R I D G E C O V E R
Open the ink box cover.
O P E N
I N K C O V E R
Knob
Remove the four ink trays.
To switch 8-color mode to 4-color mode:
Remove the ink trays for Lm2, Gy4, Lc6, and Lg8.
R E M O V E
L m 2 I N K P A C K
To switch 4-color mode to 8-color mode:
Remove the ink trays for M2, K4, C6, and Y8.
R E M O V E
M 2 I N K P A C K
Close the ink box cover.
C L O S E
I N K C O V E R