Service manual

EPSON Stylus PHOTO 870/1270 Revision B
PRODUCT DESCRIPTIONS Operations 29
1.4.3 Panel Functions
1.4.4 Special Setting Mode
To enter the special setting mode, press Load/Eject button and Cleaning
button while turning on the printer. The Paper Out LED starts blinking.
While it is blinking (for three seconds), press the specified button to
activate the desirable setting mode.
NOTE: Special setting modes are not intended for users.
"
EEPROM/Timer IC reset
The following is reset with this operation:
!
Interface selection (04H)
!
Power off timer (6CH, 6DH)
"
Waste ink counter reset
The following is reset with this operation:
!
Ink counter A0 (50H, 5DH)
!
Ink counter A80 (5EH, 5FH)
Table 1-16. Panel Functions
Buttons Function
Load / Eject
• Loads or ejects paper.
• Returns the printhead from the ink cartridge
replacement position to the capping position.
Ink Cartridge
Replacement
• Starts the ink cartridge replacement sequence.
• Moves the carriage to the cartridge
replacement position.
• Returns the carriage from the ink cartridge
replacement position.
Cleaning
(Push for 3 seconds)
• Starts a head cleaning.
• In the condition of “Ink Low”, “Ink Out”, or
“No Ink Cartridge”, starts the ink cartridge
replacement sequence.
• Returns the carriage from the ink cartridge
replacement position.
Table 1-17. Power-on Panel Functions
Switch Pressing with Power On Function
Load / Eject
• Starts status printing.
*1
*1: One of the actions in Table 1-18 is carried out according to the content
of 1BH of EEPROM.
Cleaning
• Changes code pages / Selects IEEE1284.4 mode
for parallel I/F.
*2
*2: Not intended for users.
Load/Eject + Cleaning
• Enters the special settings mode. (Factory use
only).
*3
*3: See Section 1.4.4. (Not intended for users.)
Table 1-18. Content of 1BH of EEPROM
[bit7] [bit6] Actions
00
*1
*1: Factory default setting
Print firmware version, ink counter,
selected code page and nozzle check
pattern.
11
01 Hex-dump mode
10 Self test mode
Table 1-19. Special Setting Modes
Switch Function
Load / Eject
• Resets EEPROM and timer IC.
Cleaning
(Push for 10 seconds)
• Resets the ink overflow counter in
EEPROM.