Printer/Scanner Does Not Operate At Power On - Epson STYLUS Scan 2500 Service Manual

EPSON Stylus Scan 2500
Table 3-2. Symptoms and Problem s
Symptom
Printer does not
LEDs do not light.
operate at power
Printer mechanism does not operate.
on.
Error is detected Error is indicated by LED indication.
Printing is not performed.
Failure occurs
Abnormal printing (missing dot, etc.)
during printing.
Print quality is poor.
No paper is fed.
Printer does not
feed paper Paper feed is irregular.
correctly.
Paper jam occurs.
Control panel
operation is No response to button access.
abnormal.
Troubleshooting
Problem Flowchart No.
Flowchart 3-1
Flowchart 3-2
Flowchart 3-3
Flowchart 3-4
Flowchart 3-5
Unit Level Troubleshooting

3.1.1 Printer/Scanner does not operate at power on

Start
No
AC voltage
= OK?
Yes
Yes
Is fuse
F1 burned out?
No
Check the output
voltage of CN2 on
the power supply.
Yes
No
Is the
output
voltage
normal?
Yes
Replace the MAIN
board.
Check the motors,
printhead, and
other
components.
Flowchart 3-1.
Revision A
Adjust power
supply
Replace the fuse,
disconnect CN10
on MAIN board,
and turn on power
No
Did
the fuse burn
out again?
Yes
Replace the
power supply.
End
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