Intermec ColorCoder V4 – Service Manual Ed. 1
45
Chapter 2 Operation and Timing
2.2 Image Formation System, cont'd.
2.2:C Recovery Unit, cont'd.
Basic Operation Sequence of the Head Cleaning
The basic operation sequence at the time of head cleaning is shown
below.
Basic operation sequence of cleaning 1
Basic operation sequence of cleaning 2
Basic operation sequence of cleaning 3
Sequence
Head position sensor (PS9)
Head position sensor (PS8)
Head motor (M3)
BJ head
Preliminary discharge
position movement
Preliminary discharge
Cap position movement
86Pulse
59Pulse
Motor running forward, sensor light blocking, clutch ON
Motor running backward
Figure 2-26
Motor running forward, sensor light blocking, clutch ON
Motor running backward
Sequence
Pressure cam position sensor (PS4)
Recovery pump position sensor (PS5)
Pump motor (M2)
Cam pressure release clutch (CL1)
Pressure clutch (CL2)
Head position sensor (PS9)
Head position sensor (PS8)
0.4sec
20pulse
21pulse
Cam
press-
urized
Cam
pressure
released
Preliminary discharge
position movement
Cap position
movement
Ink
pressurized
Wait
Preliminary
discharge
Waste ink suction / wiping
Wiping position
movement
Cap position
movement
8.5sec
6.0sec
0.4sec
Head motor (M3)
Cap position sensor (PS6)
Cap position sensor (PS7)
Cap motor (M4)
BJ head
86pulse
86pulse
59pulse
Figure 2-27
Sequence
Pressure cam position sensor (PS4)
Recovery pump position sensor (PS5)
Pump motor (M2)
Cam pressure release clutch (CL1)
Pressure clutch (CL2)
30sec
3.0sec
1.6sec
1.6sec
Motor running forward, sensor light blocking, clutch ON
Motor running backward
Waste ink
suction
Waste ink
suction started
Ink
pressure
Wait
Wiping
Preliminary
discharge
Waste ink suction
completed
Cam
pressure
release
Cam
pressure
40sec
15sec
Figure 2-28