Epson Stylus PHOTO 950 Service Manual page 66

EPSON Stylus PHOTO 950
Table 3-7. This section describes the procedures for solving the problem
when an ink out (cartridge out) error is displayed even
though a brand-new ink cartridge has been installed.
Step Check Point
2 Is one or both of the two
hooks on the ink
cartridge broken so that
tension is not being
applied?
NOTE:Even if one hook is broken, the electrodes on the
3 When the carriage CSIC Because initial models did not have a cartridge clamp, the
was mounted, did the sus-plates had a stepped section so that the customer could
sus-plate for applying check if the cartridges had been securely installed or not. If
tension to the CSIC fall the cartridge was not securely installed, the tops of the
down? various color cartridges would not be in a straight vertical
line, and this would notify the customer that a cartridge had
to be re-inserted. Correct installation of the ink cartridges is
only achieved when the two hooks in No. 1 above and the
tensions of the sus-plates mentioned here are normal.
TROUBLESHOOTING
Remedy
Hooks
chip and the carriage will not contact correctly.
Hooks
Sus-Plate for pushing CSICs
from the bottom side.
CR Frame
Table 3-7. This section describes the procedures for solving the problem
when an ink out (cartridge out) error is displayed even
though a brand-new ink cartridge has been installed.
Step Check Point
4 Has the IC chip
(EEPROM) that is
mounted to the CSIC
become detached or is it
becoming detached?
5 Are the contact
electrodes of the
carriage CSIC chip
broken or bent?
Overview
Remedy
If the CSIC chip is even slightly dislocated, the electrodes
will not come into correct contact with the carriage
electrodes and the printer will not recognize the cartridge.
Correct Situation Incorrect Situation
Dislocated IC Chip
NOTE:If an ink cartridge with no CSIC chip is installed,
not only will the ink cartridge fail to be recognized,
but it will also damage the carriage electrodes.
Electrodes
Revision A
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