Unit Level Troubleshooting - Epson Stylus Photo R220 Service Manual

EPSON Stylus Photo R220/R230

1.3 Unit Level Troubleshooting

You can identify the troubles by using the checklist in this section after confirming the
LED indication on the control panel or the error message displayed on STM3 of the PC
connected to the printer. As a result, you can save the whole repair time. When finding
any faulty parts, refer to Chapter 2 "DISASSEMBLY/ASSEMBLY" and replace them.
The following tables describe the error conditions (LED and STM3) and their possible
cause.
LED Indication
Error Status
STM3 Message
Power : OFF
Paper : Fast Blink
Fatal
Ink : Fast Blink
Error
General error
TROUBLESHOOTING
Table 1-5. Status and Possible Causes of Fatal Error
Carriage Unit
Occurrence
Position Faulty Unit/Part Name
Timing
at Power-on
C/R Off HP
At Power-on
Anywhere
Unit Level Troubleshooting
The following is the example of How to use the following tables.
ex.) When a fatal error occurs because the CR Motor is out of the home position at
power-on. If you see the table below, you will find out three possible causes of
CR Motor failure. Then troubleshoot the problem according to the "Fatal Error
Check Points by Phenomenon."
(Note)
When individual part that makes up the Roller EJ Assy., the PF Motor and the Ink
System Assy. is defective, replace the Printer Mechanism with a new one basically.
However, if an individual part needs to be replaced urgently, execute the necessary
operation by referring to Chapter 2 "DISASSEMBLY/ASSEMBLY."
The CR Motor Cable is disconnected.
CR Motor CR Motor failure
The CR Motor cable is damaged.
The PF Motor Cable is disconnected.
PF Motor PF Motor failure
The PF Motor Cable is damaged.
Paper Guide, Upper The Paper Guide, Upper comes off.
Ink System The Compression Spring, 2.36 comes off.
Main Board Main Board failure
CR Scale The CR Scale comes off.
Possible Causes
Revision A
Remedy
Refer to
Table 1-6
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