Oki IP-6620 Maintenance Manual page 385

15.
Install the new print head.
Notes
(1) Check that the right rear corner of the print
head contacts the plate spring as shown
in the picture.
(2) Check that the print head front part
contacts the other plate spring as shown
in the picture.
(3) Be careful not to damage the nozzle plate
when installing the print head.
16.
Secure the print head with four screws.
17.
Connect the
CABLE(HEAD)2-ASSY(MW) to the print
head.
18.
After replacement, press the Power
button to turn the printer on.
19.
After the print heads have been covered
by the caps, connect the ink tube joint to
the print head.
6-56
OKI Data Infotech Corporation CONFIDENTIAL
Chapter 6 Parts Replacement (Disassembly/Reassembly)
INITIALIZING...
PLEASE WAIT
Check that the two tabs are
fully engaged.
Tab
Plate spring
Plate spring