Epson FX-2190 Service Manual

EPSON FX-890/2190 Revision B
Troubleshooting Troubleshooting Based on Symptoms 56
3.2.2 No LED on Control Panel lights up even with power
turned on
3.2.3 Abnormal operation of Carriage at power on
Table 3-4. No LED on Control Panel lights up
Step Action and Question Yes No
Parts below can be the source of this error (Chapter 4 Disassembly and Assembly)
• Fuse
• Power Switch
• Control Panel (p.72)
• Harness of Control Panel
• C524MAIN Board (p.74)
• C524PSB/PSE/PSH Board (p.76)
1
Fuse
Check the electric circuit and printer mechanism,
and if they are not short-circuitted, replace the fuse
with a new one.
♦Is the problem solved?
Problem
solved
Go to Step 2
2
Connection with connectors
Make sure that the following connectors are
connected properly:
• Power Supply Board connector (CN1)
• Power Supply Board ~ Main Circuit Board
(CN2~CN14)
♦Is the problem solved?
Problem
solved
Go to Step 3
3
Connection of harness of Control Panel
Make sure that the connectors of Control Panel ~
Main Circuit Board (CN1 ~ CN20) are connected
properly.
♦Is the problem solved?
Problem
solved
Go to Step 4
4
Harness of Control Panel
Replace the harness of the Control Panel with a new
one.
♦Is the problem solved?
Replace the
harness.
Go to Step 5
5
Control Panel
Replace the Control Panel with a new one.
♦Is the problem solved?
Replace the
Control Panel.
Go to Step 6
6
Power Supply Board
Replace the Power Supply Board with a new one.
♦Is the problem solved?
Replace the
Power Supply
Board.
Go to Step 7
7
Main Board
Replace the Main Board with a new one.
♦Is the problem solved?
Replace the
Main Board.
Go to 3.2.11
Electrical
Noise (p.62)
Table 3-5. Abnormal Carriage operation at power on
Step Action and Question Yes No
Parts below can be the source of this error (Chapter 4 Disassembly and Assembly)
• HP (Home Position) Detector (p.78)
• Harness of HP Detector
• CR Motor (p.81)
• C524MAIN Board (p.74)
1
Connection with connectors
Make sure that the connectors on the Main Board
are connected properly.
♦Is the problem solved?
Problem
solved
Go to Step 2
2
Defective CR HP Detector
Replace the CR HP Detector with a new one.
♦Is the problem solved?
Replace the
CR HP
Detector.
Go to Step 3
3
Defective harness of CR HP Detector
Replace the harness of CR HP Detector with a new
one.
♦Is the problem solved?
Replace the
harness of CR
HP Detector.
Go to Step 4
4
Defective CR Motor
Replace the CR Motor with a new one.
♦Is the problem solved?
Replace the
CR Motor.
Go to Step 5
5
Main Board
Replace the Main Board with a new one.
♦Is the problem solved?
Replace the
Main Board.
Go to 3.2.11
Electrical
Noise (p.62)
Table 3-4. No LED on Control Panel lights up
Step Action and Question Yes No

Epson FX-2190 Specifications

General

Maximum print size	A3 (297 x 420 mm)
Color	No
Character pitch	10 cpi
Maximum resolution	240 x 144 DPI
Maximum printing width (columns)	136
Print technology	Dot matrix
Dimensions (WxDxH)	589 x 360 x 157 mm
Standard interfaces	Parallel, USB 1.1
Optional connectivity	Ethernet
Country of origin	Indonesia
Sound pressure level (printing)	55 dB
Mean time between failures (MTBF)	20000 h
Sustainability certificates	ENERGY STAR
Windows operating systems supported	Windows 2000, Windows 2000 Professional, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64
Power consumption (typical)	53 W
Operating temperature (T-T)	5 - 35 °C
Operating relative humidity (H-H)	10 - 80 %
Pallet width	1200 mm
Pallet height	1000 mm
Pallet length (UK)	2040 mm
Quantity per pallet	14 pc(s)
Quantity per pallet (UK)	21 pc(s)
Quantity per pallet layer	2 pc(s)
Quantity per pallet layer (UK)	3 pc(s)
Package depth	700 mm
Package width	460 mm
Package height	270 mm
Package weight	11740 g
Quantity per pack	1 pc(s)