Oki IP-6620 Maintenance Manual page 445

6.12.9 O-RING
<Removal>
1.
Drain the ink (see Chapter 3).
When all the ink has been drained, turn
off the printer.
2.
Remove the
COVER(INKBOX-REAR)-MW (see
6.12.4).
3.
Disconnect the joint of the tube
connected to the
SUPPLYPUMP-UNIT(MW).
4.
Remove the O-RING attached to the
tube.
6-116
OKI Data Infotech Corporation CONFIDENTIAL
Chapter 6 Parts Replacement (Disassembly/Reassembly)
Joint
SUPPLYPUMP-UNIT(MW)
O-RING