Intermec ColorCoder V4 Service Manual page 239

6.7 Image Troubleshooting, cont'd.
6.7:A Measures to Take Against Faulty Images, cont'd.
Blank Areas in Image, Colour Omissions
Cause Step
Connectors and Wir-
ing.
Ink supply system
BJ head
Engine 2 PCB
Engine 1 PCB
Formatter PCB
Pump unit
Intermec ColorCoder V4 – Service Manual Ed. 1
Check Point
1 Are the connections and wiring of the
following connectors in order?
• BJ head connectors K, C, M, Y
• Engine 2 PCB J401-404
2 Are there any broken wires or damages
in the flexible cable?
3 Is the problem corrected by executing
"CLEANING (B)"? Is it corrected when
it is executed several times?
4 Is tube connector properly connected to
the head or tube station?
5 Is ink being fed properly from the sub
tank to the head?
6 Is the problem corrected when ink is
sucked from the pressure side (front
side) joint of the tube connector by a
pump and "Initial ink filling" (See Chap-
ter 3.3:B) is executed?
7 Is the filter in the tube connector of BJ
head clogged by dust or foreign mate-
rial?
8 Is the problem corrected when the BJ
head is replaced?
9 Is the problem corrected when the En-
gine 2 PCB is replaced?
10 Is the problem corrected when the En-
gine 1 PCB is replaced?
11 Is the problem corrected when the
Formatter PCB is replaced?
12
Chapter 6 Troubleshooting
Result Corrective Action
No Reconnect and rewire the con-
nectors properly.
Yes Replace the flexible cable.
Yes Finished.
No Connect the tube connector prop-
erly.
No Replace with a new ink cartridge
and carry out head cleaning
"CLEANING (B)".
Yes Finished.
Yes Clean up the filter by dust-free
sponge and execute "Initial ink
filling" (See Chapter 3.3:B).
Yes Finished.
Yes Finished.
Yes Finished.
Yes Finished.
No Replace the pump unit.
238