Epson SEIJ98006 Service Manual page 100

EPSON Stylus Color 900
Table 3-35. Combination which Causes the Error
Nozzle Selector
The board is in the Sharp-
specific setting.
EPSON exclusive printhead
For this reason, if you perform the operation in an incorrect
procedure such as; Head replacement
on the printer, the printer starts monitoring the temperatures before
the printhead ID on the board is replaced with a new one, then
shows the error consequently. On the other hand, if you follow the
proper steps; Head replacement
I/C replacement with a new one, the program allows a data transfer
once before printing so you can overwrite the printhead ID.
Troubleshooting
1st digit of the Head ID
0
1
I/C replacement Turning
Turning on the printer proper
Overview
Revision C
100