Epson Stylus CX3700 Service Manual page 81

EPSON Stylus CX3700/CX3800/CX3805/CX3810/DX3800/DX3850
Occurrence
timing Detailed phenomenon
CR position
When turning on the power, the Carriage
• Power on
Unit collides to the right side of the
• Anywhere
Main Frame.
TROUBLESHOOTING
Table 3-12. Check point for the Fatal error according to each phenomenon
Defective
unit/part name
1. Check if the CR Scale does not come off or it properly
passes through the slit of the CR Encoder Board.
Slit of the CR
Encoder Board
CR Scale
2. Check if the CR Scale is not damaged or contaminated.
1. Check if the Encoder FFC is connected to the CR
Encoder Board.
CR Encoder Board
2. Check if the Encoder FFC is not damaged.
3. Check if the CR Encoder Board is not damaged.
Troubleshooting
Check point
CR Scale
CR Encoder Board Encoder FFC
Revision A
Remedy
1. Reassemble the CR Scale correctly.
* If the problem is not solved, replace the
Main Board with a new one.
2. Replace the CR Scale with a new one or clean
it completely.
1. Connect the Encoder FFC to the CR Encoder
Board.
2. Replace the Encoder FFC with a new one.
3. Replace the CR Encoder Board with a new
one.
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