Epson FX-2190 Service Manual

EPSON FX-890/2190 Revision B
Troubleshooting Troubleshooting Based on Symptoms 61
3.2.9 Abnormal operation of Carriage Unit
Table 3-11. Abnormal operation of Carriage Unit
Step Action and Question Yes No
Parts below can be the source of this error (Chapter 4 Disassembly and Assembly)
• Timing Belt
• CR Motor (p.81)
• HP (Home Position) Detector (p.78)
• Harness of HP Detector
• Ribbon Drive (RD) Assembly (p.92)
• C524MAIN Board (p.74)
1
Checking the connection of connectors
Make sure that the following connectors are
connected properly.
• HP Detector (CN8)
• CR Motor (CN12)
♦Is the problem solved?
Problem
solved
Go to Step 2
2
Timing Belt
Check to see if the driving path of the Timing Belt
is obstructed with foreign matters or the belt is
damaged.
♦Is the Timing Belt free from obstruction or damage?
Go to Step 3
Replace the
Timing Belt.
3
Ribbon Drive Assembly
Operate the Timing Belt by hand and check the
movement.
♦Does the Timing Belt operate smoothly?
Go to Step 4
Replace or
lubricant the
Ribbon Drive
Assembly.
4
Checking the operation of the Carriage Unit
Check to see if you can move the Carriage Unit on
the SHAFT,CR,GUIDE from side to side by hand.
♦Does the Carriage Unit operate smoothly?
Go to Step 5
Refer to
Lubrication
(p.100)
5
Defective HP Detector
Replace the HP Detector with a new one.
♦Is the problem solved?
Replace the
HP Detector.
Go to Step 6
6
Defective harness of HP Detector
Replace the harness of the HP Detector with a new
one.
♦Is the problem solved?
Replace the
harness of
the HP
Detector.
Go to Step 7
7
Defective CR Motor
Replace the CR Motor with a new one.
♦Is the problem solved?
Replace the
CR Motor.
Go to Step 8
8
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 3-11. Abnormal operation of Carriage Unit (continued)
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)