Unit Level Troubleshooting - Epson STYLUS Scan 2500 Service Manual

EPSON Stylus Scan 2500

3.1 Unit Level Troubleshooting

When a problem occurs, you can identify the defective unit according to the
symptoms exhibits. The table below lists the symptoms of certain problems.
Once the problem is identified, refer to the flowchart that corresponds to the
problem.
The following flowchart illustrates the main steps of the troubleshooting
process.
NOTE: There is a special section for motors and sensors that starts on
page 73.
Table 3-1, "Printer Condition and
V
Panel Status"
V Table 3-2, "Symptoms and
Problems"
Unit Level
Repair
Printer Mechanism,
Component
page 65
Level Repair
Reassembly = Chapter 4
Adjustment = Chapter 5
Figure 3-1. Troubleshooting Process Flowchart
Troubleshooting
Diagnose problem
Service the:
Scanner
Mechanism,
page 69
Or go directly to
Motors and Sensors
on page 73
Unit Level Troubleshooting
Table 3-1. Printer Condition and Panel Stat us
Indicators
Error Status
Powe Ink out
r (Black)
(Color)
Paper Out --- ---
Paper jam
--- Off
condition
No Ink
cartridge or
--- On
Ink end
(black)
No Ink
cartridge or
--- ---
Ink end
(color)
Maintenanc
Flash Flash Flash
e request
Fatal error Flash On
Revision A
Ink
Recovery
Paper
Out
Out
Load paper by pressing the
--- On
load/eject button.
Eliminate a paper then
Off Flash
press the load/eject button.
Install a new black ink
cartridge by pressing the
--- ---
load/eject button for 3
seconds.
Install a new color ink
cartridge by pressing the
On ---
load/eject button for 3
seconds.
Change the waste ink pads
Flash
and reset the EEPROM.
Turn the printer off and on
again. If the printer does
On Flash
not recover, repair the
appropriate part.
61