Troubleshooting Based On Printout; Dot Missing; Uneven Printing / Poor Resolution - Epson StylusPro 10000 Service Manual

EPSON Stylus Pro 10000/10000CF

3.4 Troubleshooting Based On Printout

This section describes conceivable print quality problems that may occur with this printer
and the troubleshooting points for those errors.
Table 3-31. Diagnosing trouble based on printout
Item Description
1

Dot missing

2 Uneven printing/poor resolution
3 Smudged or marred printout on front side
4 Smudged or marred printout on reverse side
5 White/black banding
3.4.1 Dot Missing
When the printer is not used for a long period of time, the ink in the nozzles can dry up and
clog the nozzles. Clogged nozzles cannot fire ink and cause the dot-missing problem in
printed documents. If the printhead nozzles do not clear after attempting multiple cleaning
operations, check the following points.
Do not charge ink too often as this operation consumes a lot of ink.
Each head consumes about 90ml per operation.
I do confirmation about the next point, in the case that be defective head cleaning and early
period and be not able to return.
a)In the case that the faulty occurs to all the ink color nozzles.
n
Are the cap of the print head and cleaning unit adhering at the time of ink fill?
n
Gear/motor actuation of the cleaning unit defective
n
Dirt of the cap felt/vacuum cleaner head of the cleaning unit:
b)In the case that the faulty occurs to special ink color.
Troubleshooting
n
n
n
Refer to
c)In the case that it is not recovered the faulty with the item to here) c exchanging the
3.4.1
following electricity system corresponding part I do confirmation.
3.4.2
n
3.4.3
n
3.4.4
3.4.5

3.4.2 Uneven Printing / Poor Resolution

If printout quality suffers from unevenness, poor quality, or similar problems, check the
following.
1. Perform platen gap adjustment
Using the control-panel setting or the diagnostic-program function, check the platen
gap (bi-directional printing position as well as PG adjustment).
2. If this error occurs only when the user prints on custom or thick paper, (Use the control
panel paper thickness setting to correct the paper size and the print position (depending
on the paper-thickness setting, the location where the ink strikes the paper may
change))
3. With "maintenance mode 2], the correction value of "BI-D offset # 1 (speed priority)/#
2 (quality priority)" tries to be changed.
4. In the case that this faulty occurred as soon as I exchanged the C362DRV board
n
n
Troubleshooting Based On Printout
Dirt of the n head vacuum cleaner
Failure of the n print head that abnormal (the in stream etc. by looseness, or O-
ring transformation/damage of a fixed nut are conceivable) the joint department
between the n ink cartridge-ink holder-tube-damper-print head
Failure of the n print head that abnormal
It exists (the joint and damage of FFC long) CR cable/it is the confirmation of no.
board
C362DRV
n
Before you remove the Main Board or a printhead, make sure all
cables are disconnected. After installing the new board or head,
make sure all cables are properly connected; if cable connectors
not completely inserted, they can damage circuits
or the heads when current is turned on.
n
Make sure you replace the correct head, B head or
C head.
Doing the transplantation of the back-up parameter of an old board.
"D/A Correction value writing" is run with the diagnostic operation mode.
Revision B
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