Epson FX-2190 Service Manual

EPSON FX-890/2190 Revision B
Troubleshooting Troubleshooting Based on Symptoms 62
3.2.10 Faulty print 3.2.11 Electrical Noise
Table 3-12. Faulty print
Step Action and Question Yes No
Parts below can be the source of this error (Chapter 4 Disassembly and Assembly)
• Ribbon Mask
• Printhead (p.77)
• Printhead FFC
• C524MAIN Board (p.74)
1
Ribbon Mask
Remove the Ribbon Mask from the Printhead, and
make sure that the Ribbon Mask is free from
deformation or damage.
♦Is the problem solved?
Problem
solved
Go to Step 2
2
Defective Printhead
Replace the Printhead with a new one.
♦Is the problem solved?
Replace the
Printhead.
Go to Step 3
3
Platen Gap Adjustment (p.95)
Adjust the platen gap.
♦Is the problem solved?
Problem
solved
Go to Step 4
4
Printhead FFC
Replace the Printhead FFC with a new one.
♦Is the problem solved?
Replace the
Printhead
FFC.
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 3-13. Troubleshooting for Electrical Noise
Step Action and Question Yes No
Parts below can be the source of this error (Chapter 4 Disassembly and Assembly)
• C524PSB/PSE/PSH Board (p.76)
• C524MAIN Board (p.74)
1
External noise
1. Check to see if within 3 m from the printer there is
another electrical apparatus, such as a generator,
radio transmitter or an apparatus incorporating a
motor.
2. Turn off the power to the electrical apparatus in
question or move the printer to a position at least 6
m distant from the apparatus.
♦Does the problem with electrical noise still occur?
Go to Step 2
Problem
solved
2
AC grounding
Check the AC power connection.
♦Is the AC power cable connected and grounded
properly?
Go to Step 3
Ask the
customer for
repair of the
AC power
connection.
3
Harness of Power Switch
1. Remove the Printer Mechanism. (p.80)
2. Replace the HOUSING ASSY.,LOWER with a new
one.
♦Is the cable grounded properly?
Go to Step 4
Install the
grounding
screw
properly.
4
Grounding of circuit boards
1. Remove the Shield Cover.(p.74)
2. Make sure that the screws for the Power Supply
Board is tightened securely.
♦Is grounding ensured?
Go to Step 5
Ensure
grounding.
5
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
6
Main Board
Replace the Main Board with a new one.
♦Is the problem solved?
Replace the
Main Board.
Problem
solved

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)