Epson Stylus Color 740 Service Manual

EPSON Stylus COLOR 440, 640, and 740 Chapter 6 Maintenance
140
6.1 Cleaning
This printer does not re
q
uire re
g
ular cleanin
g
. However, the followin
g
areas can be cleaned of dirt or debris as needed:

Housin
g
:
To remove dust and dirt, wipe the exterior of the printer with a soft,
clean cloth moistened with water. If the housin
g
is stained with ink,
use a cloth moistened with a mild deter
g
ent to wipe it off.

Inside the printer:
To clean inside the printer, use a vacuum cleaner to remove an
y
dust or paper debris. To clean the paper feed roller, use a soft
brush to wipe off an
y
dust, or use a soft cloth moistened with
FEDRON.
6.2 Corrective Maintenance
If
y
ou notice the print
q
ualit
y
decreasin
g
, or if all the LED indicators flash
simultaneousl
y
, the printer re
q
uires corrective maintenance. Take one
of the followin
g
steps:
6.2.1 Printhead Cleaning
If the print
q
ualit
y
diminishes
(
for example, if
y
ou see missin
g
dots or
white lines in the printout
)
,
y
ou should perform the printhead cleanin
g
operation. You can perform this operation either from the ad
j
ustment
pro
g
ram or from the control panel of the printer itself. To clean the
printhead from the ad
j
ustment pro
g
ram, see Section 5.2.2.5. To clean
the printhead from the control panel, follow these steps:
1. Make sure the printer is in stand-b
y
(
the Power indicator is not
blinkin
g)
. Also, check to make sure the ink cartrid
g
e indicators
are neither blinkin
g
nor on.
2. Hold down the cleanin
g
button for at least 3 seconds.
The printer performs the cleanin
g
se
q
uence. Durin
g
cleanin
g
,
the Power indicator flashes. When the operation is complete, it
stops flashin
g
and the carria
g
e returns to the home position.
6.2.2 Maintenance Request
When all the LED indicators flash simultaneousl
y
, the printer is issuin
g
a
maintenance re
q
uest. A maintenance re
q
uest occurs when the waste
ink pad is full and needs to be replaced. This is determined b
y
an ink
counter that monitors the amount of ink expelled from the printhead
durin
g
cleanin
g
. To remove and replace the waste ink pad, see Section
4.2.4.2. After replacin
g
the waste ink pad,
y
ou must reset the ink
counter in order to clear the maintenance re
q
uest. To reset the ink
counter from the control panel, see Section 1.4.2
; to reset it from the
ad
j
ustment pro
g
ram, see Section 5.2.2.6.
CAUTION
 Never use chemical solvents, such as thinner, to
clean the printer. These chemicals can damage the
components of the printer.
 Be careful not to scratch the surface of the paper feed
roller.

Epson Stylus Color 740 Specifications

General

Brand	Epson
Model	Stylus Color 740
Category	Printer
Language	English