Epson Stylus Pro 7700 Service Manual page 130

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908
REMEDY FOR NO. 0010/4000/8000
If the Maintenance Request No. 0010/4000/8000 occurs, take the following measure according to the procedure below.
NOTE : There is a priority for occurrence of No. 0010/4000/8000. Because No. 0010 has the priority, when both No. 0010 and No. 4000 (or No. 8000) occur at the same time, No. 4000 (or
No. 8000) is not displayed, but No. 0010 is displayed only. When the cause of No. 0010 is removed, No. 4000 (No. 8000) is displayed then.
Request No. Description
Communication with the AID Board is not established.
0010
The voltage applied to the Flushing Box does not reach
the specified level.
It detects twice in a row that all the nozzles are clogging.
4000
8000 Detects Noises during AID operation.
TROUBLE SHOOTING
Table 3-4. Remedy for Maintenance Request No. 0010/4000
Cause
Connection failure of FFC or FFC is broken.
Due to accumulated ink and such around the Flushing
Box, the electric current is leaking.
High voltage power module in the AID Board is broken. 4
Printhead is broken.
Connection failure of AID cable or AID cable is broken.
There is a noise source near the printer.
Remedies for Maintenance Requests
Remedy/Check Point
Check the connection to the AID Board, and correct it if
1
any failure found.
Check around the Flushing Box, and remove accumulated
ink or dust if any. (Through accumulated ink or dust, the
2
electric current may leak.)
3 Replace the Ink System Unit. (See P.266)
Replace the AID Board. (See P.294)
Print the nozzle check pattern to check this. If all the
1 colors have nozzle clogging, replace the Printhead.
P.270)
Check the connection to the AID Board, and correct it if
2
any failure found.
3 Replace the Ink System Unit. (See P.266)
1 Turn the printer off once, then turn it on again.
2 Move the noise source away from the printer.
Revision I
(See
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