Epson Stylus COLOR 800 Service Manual page 64

EPSON Stylus &2/25 800
‰Cartridge Replacement Sequence
The printer determines which ink cartridge (black or color) needs replacing in Cartridge replacement
CL sequence according to the conditions such as cartridge installation, Ink Low and Ink End. Cartridge
replacement CL sequence consists of Wiping, Ink Absorbing, Micro Absorbing, and False Absorbing,
and consumes less ink than that of the manual cleaning sequence. If the Initial charge flag is not
detected during this operation since the printer is new, the printer enters Initial ink charge sequence
instead. During Cartridge replacement sequence, One-time flag is reset or set in the EEPROM
according to the consumed ink amount for the removed cartridge (If 50% was used or not.). This flag
indicates whether the cartridge was removed because of the Ink End status or by accident. The printer
stores this information in the EEPROM to refer when selecting the manual cleaning mode to be
carried out. In case that the ink cartridge was removed from the CR unit with the condition that less
than 50% ink was consumed, the one-time flag is set in the EEPROM and one-time cleaning is carried
out at the first manual cleaning operation after completion of Cartridge replacement Sequence.
‰Initial Charge Sequence
The printer performs Wiping, Rubbing, Ink absorbing, Micro absorbing, and False absorbing during
Initial charge sequence. This sequence is performed according to the Initial charge flag status. This
sequence, which consumes a large amount of ink (about 20 % of total ink amount), requires
approximately 7 minutes to execute, and CL timers for each color, Accumulated printing timer, Initial
ink charge flag, and One-time flag are reset with the completion of this sequence.
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Rev. A