Epson STYLUS PRO 4910 - Printer Does Not Operate

Epson Stylus Pro 4900/Epson Stylus Pro 4910 Revision A
TROUBLE SHOOTING Printer does not Operate 87
Confidential
2.7 Printer does not Operate
This section describes the possible trouble on inoperative printer and its causes, and their remedies.
Table 2-5. Printer does not Operate
Symptom Cause Check Item Remedy
Printer does not turn on
Power cable is not plugged in to the
outlet. Or, something is wrong with the
power cable.
 Power cable plugged in firmly?
 Power cable plugged in straight?
 Plug in the power cable firmly.
 Replace the power cable.
Problem on the power source (such as
unsteady electrical voltage)
Multi-tapped power source?
Do not configure any multiple connection (octopus
wiring) from a single outlet. Try to use the wall
outlet directly.
Problem on Power Supply Board
connection
Power Supply Board and Main Board connected properly?
(CN1)
Reconnect the connector.
Problem on Operation Panel Board
connection
Operation Panel Board (CN1) and Main Board (CN9)
connected properly?
 Anything abnormal?
 FFC damaged?
 FFC terminal flipped?
 Reconnect the connector.
 Replace the FFC with trouble.
If none of the remedies above helps,
there is a problem on Power Supply
Board.
---
1. Replace AC inlet.
2. If the printer still does not recover, replace
Power Supply Board. (See P.159)
Printer not Recognized by Computer
Connection cable is not plugged in. Or,
something is wrong with the connection
cable.
 Connection cable plugged in properly?
 Connection cable damaged?
 Connection cable twisted or have something on?
 Plug in the connection cable firmly.
 Replace the connection cable.
Computer specification does not meet
the requirements of connection cable.
 Check if the computer meets the cable specs below:
USB2.0 (High Speed USB)
Ethernet 10Base-T/100Base-TX
 Other computers recognized?
 Try different way of connecting.
 Change the computer.
Printer and computer not directly
connected
 Using a printer selector?
 Using extension cord?
 Using USB hub?
Connect computer and printer directly with one
cable.
Printer driver installed incorrectly
 Product name for this printer listed in computer's printer
list?
 Printing port set correctly?
 If the product name is not listed, re-install the
printer driver.
 Set the correct port (See the User's Manual for
details).