101
Ricoh Co. Ltd.
http://www.ricoh.com/
Model: M-G1a/M-G1b/M-G1L/M-G1W/R-
G1
Machine Codes:
J017/J019/J021/J023/J018
Slide 101
What is Air Purge Filling?
In order to eject the ink properly from the print head, it is necessary to
maintain negative pressure (with respect to the surrounding air) inside the
head tank. If negative pressure is lost, the ink can leak out from the nozzle
and adversely affect the image quality. If this occurs, the negative
pressure must be re-established. This process is known as “Air Purge
Filling”. The full process from purging to reestablishing negative pressure
is now know by two terms, depending on how negative pressure is
reestablished.
Maintenance Unit Air Purge Filling
Resets the pressure inside the tank by releasing the air release valve
Refills the head tanks
Closes the air release valve
Memorizes the full head-tank position by calibrating the feeler arm
Reestablishes negative pressure by vacuuming a small amount of ink from
the heads with the maintenance unit
Ink Supply Unit Air Purge Filling
Resets the pressure inside the tank by releasing the air release valve
Refills the head tanks
Closes the air release valve
Memorizes the full head-tank position by calibrating the feeler arm(s)
Reestablishes negative pressure by running the ink supply unit's ink
pumps in reverse
Air Purge Filling
•Newly added from J017/J018/J019/J021/J023
•Does not consume ink!
No additional notes.