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SolutionPhenomenon Condition Cause Checkpoints
Carriage does
not operate
normally.
Drive pulse
does not
output.
CPU is
defective.
IC12 is
defective.
Does the wave-form correct?
(Check pin either at 9 and 10.)
Replace CPU.
Table 5-4. Repair of C199 MAIN(Cont.)
Does the wave-form correct?
(Check pin at 17,20 and 14,23.)
Correct : replace
motor.
Incorrect : repalce
IC12.
Drive pulse
does not
output.
PF motor does
not operate
normally.
CPU is
defective.
IC16 is
defective.
Does the wave-form correct?
(Check pin either at 3 and 4.)
Replace CPU.
Does the wave-form correct?
(Check pin at 17,20 and 14,23.)
Correct : replace
motor.
Incorrect : repalce
IC12.
Epson Stylus Color 200 /Epson Stylus 200 Troubleshooting
Rev. A 5-5