OKI Data Infotech Corporation CONFIDENTIAL
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
5-146
5.5.56 System Error 340X: Head Information Error
<Description>
An error has been detected in the print head information.
X
Print Head No.
1
Print head 1
2
Print head 2
3
Print head 3
4
Print head 4
5
Print head 5
6
Print head 6
7
Print head 7
<Faulty part>
(1) PCB-ASSY-HCB1M
(2) HEAD CABLE, MW (print head cable)
(3) INKJET HEAD,MW (print head)
(4) Carriage cable (FFC): CARRIAGE FFC, MW
(5) Robot cable: ROBOT CABLE, MW
<Action>
Check the
Items to be Checked
on the table below, and perform the actions starting from the top
until the problem is solved.
Note:
For this error, be sure to perform the actions 1 to 5.
No
Items to be Checked
Action
1
The unit connected to the
PCB-ASSY-HCB1M
(1) Check that the print head cable jacket is not damaged. If
damaged, replace it.
(2) If not damaged, reconnect it and restart the printer.
(3) If the problem persists, replace the cable of the faulty
print head with one of a print head operating normally. If
the error number changes, the faulty part is the print
head cable so replace it.
(4) Connect the print head cable to another print head. If the
error number changes for the newly connected print
head, check the other items to be checked below.
* The print head cable for the seventh print head is used only
for 7-color printers.
2
The width of the V-shaped folded
part on the
PCB-ASSY-HCB1M-side FFC
Check that the width of the V-shaped folded part on the FFC
is proper. If not, adjust it. For the adjustment procedure, see
3
FFC’s external damage
Check the following to ensure that the FFC is not damaged.
-
FFC’s terminal is detached from its base.
-
FFC’s edges have not been abraded by friction.
If the FFC is damaged, replace it.
Содержание IP-6620
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