Epson Stylus Pro 9000 - Print Engine Service Manual page 44

EPSON Stylus Pro 9000
SERVICE REQ. 0001000D
SERVICE REQ. 0001000E

Problem
Cover sensor malfunction
One or both Cover Open sensors (interlock switches) located at either end
of the cover shaft is malfunctioning.
D: right sensor (HP side)
E: left sensor

Solution
Make sure each sensor is properly installed. If that does not solve the
problem, check the Cover Open sensor's connections. If there still is a
problem, try the following:


Replace the malfunctioning sensor or sensors


Replace the Main Board
SERVICE REQ. 0001000F

Problem
CR motor PWM output error

Solution


Replace the Main Board
SERVICE REQ. 00010010

Problem
PF motor PWM output error

Solution


Replace the Main Board
Troubleshooting
SERVICE REQ. 00020000 (NVRAM ERROR)
SERVICE REQ. 00020001 (INTERNAL RAM ERROR)
SERVICE REQ. 00020002 (SRAM ERROR)
SERVICE REQ. 00020003 (DRAM ERROR)
SERVICE REQ. 0002000B (MAIL BOX RECEIVING ERROR)

Problem
Unusual condition detected.

Solution


Write down the error code, and then turn the printer off and back on to
confirm that the error recurs. If the error recurs, replace the Main
Board.


For "Service Req. 00020003" (DRAM error), replace the SIMM
installed in CN19 and then check whether the error recurs.
SERVICE REQ. 10000004
(CPU GNRL ILLEGAL INSTRCTNS)
SERVICE REQ. 10000006
(CPU SLOT ILLEGAL INSTRCTNS)
SERVICE REQ. 10000009
(CPU CPU ADDRESS ERROR)
SERVICE REQ. 1000000A
(CPU DMAC/DTC ADDRESS ERROR)
SERVICE REQ. 1000000B
(CPU WATCHDOG TIME-OUT ERROR)
SERVICE REQ. 100000##
(CPU VECTOR 32~63)

Problem
Unusual condition detected.

Solution


Write down the error code, and then turn the printer off and back on to
confirm that the error recurs. If the error recurs, replace the Main
Board.


Send a different print job to make sure the error wasn't due to electrical
noise or bad print data.
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