Epson Stylus Pro 7500, Service Manual

Page: 87 / 274

EPSON Stylus Pro 7500 Revision A
Troubleshooting Errors That Require a Service Technician 87
3.3 Errors That Require a Service Technician
Here, of the warnings and fatal errors mentioned in the previous item, the contents and
methods of treatment of those errors which require a service man are explained.
MAINTENANCE CALL 0100
o
Problem
The waste ink pads are almost full, causing a warning error. The printer can
continue printing, but this messages overrides status messages such as Ready or
Printing.
o
Solution
Replace the following parts and reset the counters as described below
n
Waste Ink Pads
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F Box
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Pump Assembly
n
Cap Assembly
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Cleaner, Head
NOTE: The above 5 parts can be supplied in the periodic parts kit “Maintenance
Kit Stylus Pro 7500 (No. 1058463).”
SERVICE CALL 00000100
o
Problem
The waste ink pads are completely full, causing a fatal error. The printer stops
printing.
o
Solution
Same as “Maintenance Call 0100.”
SERVICE CALL 00000101
o
Content
The carriage drive system has reached the end of its service life.
o
Treatment
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Check if the bends and joints of the ink supply tubes have damage, cracks or ink
leakage.
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Check if the CR timing belt, driven pulley and CR motor are normal.
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Check if the CR timing belt’s tension is normal.
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If no abnormalities could be confirmed, carry out initialization of the CR motor’s
service life counter in Maintenance Mode 2.
SERVICE CALL 00010000
o
Problem
PF motor encoder check error
The PF motor makes small revolutions clockwise and counter-clockwise. When it
turns, the printer checks the rotary encoder (inside the motor) output signals to
make sure the motor is turning at the correct speed/distance. If the encoder sends
an incorrect signal, an error occurs.
o
Solution
Check if there is an abnormal load, etc. on the rotation of the grid rollers. They
there is no abnormality and the error is still not cleared, check the PF motor
encoder. If it is abnormal:
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Check and adjust the PF timing belt tension
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Replace the PF motor
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Replace the PF motor extension cable
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Replace the C299MAIN Board