Oki IP-6620 Maintenance Manual page 533

(6) Wiping unit
- Structure
The wiping unit is located on the left side of the printer (opposite of the capping unit).
Urethane rubber wiper blades are attached to a chain driven by the wiping unit. The edges
wiper blades wipe the print head surfaces. The wiper rotates driven by the wiping motor
(stepping motor) inside the unit. The motor can operate only in a single direction.
- Function
The wiper blades clean the head surfaces and prevent shift of ink jet. The sponge cleans the
wiper blades that cleaned the head surfaces. The wiper blades are driven by a motor.
(7) Waste ink bottle
The waste ink bottle is a HDPE (high density polyethylene) bottle for collecting the waste ink
sucked by the pump, and its maximum capacity is approximately 3.0 liters.
8-12
OKI Data Infotech Corporation CONFIDENTIAL
Chapter 8 Operation Mechanism