Head Cleaning - Epson Stylus Pro 5000 Service Manual

Stylus Pro5000
6.2 MAINTENANCE
When printing failure or maintenance request occur, perform appropriate
procedure as follows.

6.2.1 Head cleaning

After checking the printing result, if white banding, color banding, dot
missing or alignment failure are found, it is necessary to perform cleaning
for the print head. There are 3 ways of head cleaning for Stylus Pro5000.
Head Cleaning
Level 1 Level 2
Cleaning from Cleaning from
the Control Panel the Program
Just press Select "Cleaning"
"Cleaning" button. on the program.
Perform cleaning
according to CL counter.
Perform self-test.
Perform self-test.
*Note1. *Note2.
No No
Recovered?
Yes
END
*Note1):If you don't *Note2):Even if you perform CL2
perform this, the printer
continuously without performing
goes to dummy mode at
this test, printer does
the next CL operation.
not go to dummy mode.
Figure 6-1. Types of Cleaning
Rev. A
Level 3
Cleaning by using
initial charge
Select "Ink charge
flag reset" on the
program.
Perform always Finish the program
once, then the printer
CL2(strong).
turns off automatically.
Turn on the printer
again, and perform
initial charge.
Recovered?
Perform self-test.
Yes
No
Recovered?
END
Yes
END
*Note3):After the printer
turns off,wait more than
10 seconds before going
to the next step.
CAUTION
*Note3.
Chapter6 Preventive Maintenance
T T
Head cleaning using ink absorption does not
improve the recovery from dot missing, in
proportion to the quantity of absorbing.
Therefore, in case of persistent dot missing, it is
necessary to recover from dot missing,
combining 3 cleaning methods mentioned in the
figure6-1.appropriately.
6-2