EPSON FX-890/2190
Revision B
Troubleshooting
Troubleshooting Based on Symptoms
57
3.2.4 Abnormal paper feeding
Table 3-6. Abnormal paper feeding
Step
Action and Question
Yes
No
Parts below can be the source of this error (
Chapter 4 Disassembly and Assembly
)
•
• Harness of Front PE Detector
•
• Harness of Rear PE Detector
•
• Harness of Release Detector
•
•
•
•
1
Checking for foreign matters
Make sure that there are no foreign matters in the
following areas.
• Paper path
• PF Gear Train
♦
Is the problem solved?
Problem
solved
Go to Step 2
2
Connection of sensor
Make sure that the following sensors are connected
properly:
• Front PE Detector (CN6)
• Rear PE Detector (CN7)
• Release Detector (CN11)
♦
Is the problem solved?
Problem
solved
Go to Step 3
3
Defective sensor
Replace the defective one of the following sensors
with a new one:
• Front PE Detector (CN6)
• Rear PE Detector (CN7)
• Release Detector (CN11)
♦
Is the problem solved?
Replace the
defective
sensors.
Go to Step 4
4
Harness of sensor
Replace the defective harness of the following
sensors with a new one:
• Front PE Detector (CN6)
• Rear PE Detector (CN7)
• Release Detector (CN11)
♦
Is the problem solved?
Replace the
defective
harness.
Go to Step 5
5
Paper changeover mechanism
♦
Is the paper feeding direction switched when you
operate the release lever?
Go to Step 6
6
Paper feed mechanism
With power turned off, check to see if you can feed
paper by turning the platen knob by hand.
♦
Can paper be fed by turning the platen knob by
hand?
Go to Step 7
Check the
paper feed
mechanism
7
PF Motor
Replace the PF Motor with a new one.
♦
Is the problem solved?
Replace the PF
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 3-6. Abnormal paper feeding
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 ...
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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 ...