Roland VersaEXPRESS RF-640 Service Notes page 86

Revised 15
Close the Choke Valve.
3
Insert something such as cleaning stick at the top of the
Choke Valve as shown. Close all Choke Valves of the target
ink lines.
While the Choke Valve is close, confi rm the black
knob wouldn't go down any further.
(the red arrow in the photo)
Revised 2
In case, the Damper 1 is replaced.
Choke valve
Close
In case, the Damper 3 is replaced.
Choke valve
Close
Remove the Right Cover and Right Top Cover.
4
Ink Cartridge
A C D F
E
B G H
1
2 3 4
Ink Cartridge
A C D F
B E G H
3
1 2 4
3-12
In case, the Damper 2 is replaced.
Choke valve
Close
In case, the Damper 4 is replaced.
Choke valve
Close
Right Cover
Ink Cartridge
F
A C D
B E G H
2
1 3 4
Ink Cartridge
F
A C D
E
B G H
4
1 2 3
Right Top Cover