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
•
•
•
Harness of HP Detector
•
•
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
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
Table 3-11. Abnormal operation of Carriage Unit (continued)
Step
Action and Question
Yes
No
Содержание 890N - FX B/W Dot-matrix Printer
Страница 1: ...EPSONFX 890 2190 Serial Impact Dot Matrix Printer SEDM02003 SERVICE MANUAL ...
Страница 8: ...C H A P T E R 1 PRODUCTDESCRIPTIONS ...
Страница 43: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 52: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 65: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Страница 93: ...C H A P T E R 5 ADJUSTMENT ...
Страница 98: ...C H A P T E R 6 MAINTENANCE ...
Страница 104: ...C H A P T E R 7 APPENDIX ...
Страница 109: ......
Страница 110: ......
Страница 111: ......
Страница 112: ......
Страница 113: ......
Страница 116: ...FOR FX 890 NO 2 R ev 01 C524 E LE C 01 A A B J C B C H E F I K L M G D D 300 450 372 200 400 350 ...
Страница 118: ...FOR FX 890 NO 4 R ev 01 C524_PACK_01 03 01 06 04 04 xx 07 02 02 02 05 05 ...
Страница 120: ...FOR FX 2190 NO 2 Rev 01 C526_ELEC_01 A A B G D E J F F K L B I F H 200 400 373 330 372 450 ...