Special Setting Mode; Led Indications - Epson Stylus Photo 720 Service Manual

EPSON Stylus Photo 720 / EPSON Stylus Photo EX3

1.4.2.2 Special Setting Mode

You can go to the special setting mode by the following operations.
1. Turn on the power while pressing the Load/ Eject button and ink maintenance button.
2. Paper check LED starts blinking. (3 seconds)
3. While the paper check LED is blinking (3 seconds), press the appropriate button. See
Table 1-13.
When maintenance error (protection counter over flow) is
n
happened, if you clear the error by this operation, be sure to
replace the waste ink absorber.
Whenever you replaced the waste ink counter (even when ink
n
maintenance error has not occurred), be sure to perform the
counter reset by this operation.
Table 1-13. Special Settings Mode
Buttons
Load/Eject Initialize EEPROM and reset timer IC.
This operation will reset the following items:
• Interface selection (04H)
• CL time (68/ 69H)
• Power OFF time (6C/ 6DH)
Reset the ink overflow counter.
This operation will reset the following items:
Cleaning
(Pressed for 10 seconds)
• Ink counter A0 (5C/ 5DH)
• Ink counter A80 (5E/ 5FH)
NOTE: Hold the button pressed for 10 seconds.
Product Description
Function
Control Specification

1.4.3 LED Indications

See the table below for more detailed LED indications. Since LED indicates the
various errors and current printer operations, LED indications enable to find out the
proper repair operation.
Table 1-14. Printer Status displayed on the control panel
Printer Status
Power
Power on condition
Ink sequence
Ink cartridge exchange mode
Data processing
*1
Paper check
*1
Paper jam
No ink cartridge or Ink end
*1
(black)
No ink cartridge or Ink end
*1
(color)
Ink level low (black)
Ink level low (color)
*2
EEPROM and Timer IC reset
Maintenance Request
*1
Fatal Error
NOTE: *1 For error condition, refer to "Fatal Error" under the "Errors" on
page 21.
*2 EEPROM clear does not mean to clear all address in
EEPROM. (See "Special Settings Mode" on page 20)
*3 -- in the table above means no change.
Indicators
Paper Ink End Ink end
Check (Black) (Color)
*3
On -- -- --
Blink -- -- --
Blink -- -- --
Blink -- -- --
-- On -- --
-- Blink Off Off
-- -- On --
-- -- -- On
-- -- Blink --
-- -- -- Blink
On On On
--
(for 1 (for 1 (for 1
second) second) second)
Blink Blink Blink Blink
Blink Blink On On
Revision A
Priority
9
6
5
8
4
3
7
7
7
7
--
2
1
20