Epson Stylus Pro 7400 Service Manual page 94

EPSON Stylus Pro 7400/7800/9400/9800
1.4.4.33 BK Ink Change
This menu is provided for the Stylus Pro 7800 and Stylus Pro 9800. The printer
displays instructions for replacing the Photo or Matte black cartridge with the other one
on the LCD panel in accordance with operations made by the user.
NOTE: The Stylus Pro 7400 and Stylus Pro 9400 are not equipped with this
function. However, replacing the Matte black cartridge with Photo black
one is available. (the printers display a confirmation message when the
Photo black is inserted.) Note that the panel display and the status sheet
do not reflect the ink change. The name of the black ink remains as
"Matte black" even after replacing it with Photo black.
1.4.4.34 Power Cleaning
The "Power Cleaning" is a function to clean the printhead more powerfully than
normal head cleaning. As this includes cleaning the choke, an operator is required to
move the ink lever in accordance with the panel message.
Power Cleaning Triggers
"Power Cleaning" is displayed on the LCD when any one of the following
conditions are met.
After executing manual cleaning three times in a row.
When the printer is turned On after a lapse of 20 days or longer from the last
Power Cleaning.
When the printer is turned On after an interval of one month or longer.
NOTE: If a "Maintenance Tank Near Full" or "Ink Low" error occurs after
performing the cleaning, press the [Enter
the error message for three seconds and then returns to the menu screen.
If the Maintenance Tank error occurs during the cleaning, the cleaning is
interrupted and cannot be continued unless taking a corrective action
(replacing the tank or etc.).
Product Description
] button. The printer displays
Control Panel
1.4.4.35 Clock Setting
This menu allows the user to set current date and time to correct the time difference.
The set time is compared to the absolute control time maintained by the RTC power
source, and the printer maintains the set time by keeping the difference between them.
The set time is used for the Job Information.
This time setting is disabled if the time synchronization is adopted by the TypeB
interface. And it is also disabled when the NTP is using the time synchronization
(when date and time is entered, an error message is displayed for three seconds and the
printer returns to the MAINTENANCE menu screen.)
1.4.4.36 Contrast Adjustment
The contrast of the LCD panel can be adjusted by this menu. The adjustable range is
plus or minus 20 levels from the center value. The level decreases or increases by 1
level each time the [Paper Feed ( )] button is pressed.
Revision B
94