Intermec ColorCoder V4 – Service Manual Ed. 1
256
Chapter 6 Troubleshooting
No Ink Supply
Cause
Connectors and Wir-
ing
Ink Cartridges
Pump Unit
Engine 1 PCB
Pump Unit
Step
1
2
3
4
5
6
Check Point
Are the connections and wiring of the
following connectors in order?
• Pump Unit: J71, J76
• Engine 1 PCB: J302, J305
Is “EMPTY INK” displayed? Is there
ink in the ink cartridges?
Are the tube connections and routing
between pump units, needle blocks and
sub tanks, and to the tube stations, in
order? Are there any broken tubes?
Is the sensor plate stopping position of
the pressure cam home position sensor
in order?
Is the problem corrected when Engine 1
PCB is replaced?
Result
No
Yes
No
No
Yes
No
Corrective Action
Reconnect and rewire the con-
nectors correctly.
Replace with new ink cartridge.
Reconnect and route the tubes
correctly.
Replace pump unit.
Finished.
Replace pump unit.
6.8 Function Troubleshooting, cont'd
6.8:A Measures to Take Against Malfunctions, cont'd.