Troubleshooting By Error Message - Epson Stylus NX100 Service Manual

Epson Stylus NX100/105/SX100/105/TX100/101/102/103/105/106/109/ME 300/ME OFFICE 360/NX110/115/SX110/115/TX110/111/112/113/115/117/119

3.2.1 Troubleshooting by Error Message

The following tables provide troubleshooting procedures. Confirm the error message indicated on the LED or the STM3 screen on the PC's display, and verify it in
the following list and the figures at the end of this chapter for the corresponding troubleshooting remedy. If some parts need to be replaced or repaired, make sure to
follow the procedure given in Chapter 4 "Disassembly / Assembly".
Occurrence timing
Detailed phenomenon
CR position
• Power on
The Scanner Unit does not initialize when
the power is turned on.
• Anywhere
TROUBLESHOOTING
Table 3-2. Check point for Fatal error according to each phenomenon
Defective
unit/part name
1. Check if the Scanner Motor cable is connected to J5 on
the Main Board.
Scanner Motor
2. Check if the coil resistance of the Scanner Motor is
Ω or by using the tester
TBD
3. Check if the Scanner Motor Cable is damaged.
1. Check if the Scanner Carriage FFC is connected to J4 on
the Main Board.
Scanner Carriage FFC
Scanner Carriage
FFC
2. Check if the Scanner Carriage FFC is damaged.
CIS Unit 1. Check if the CIS Unit is damaged.
Error Indications and Fault Occurrence Causes
Check point
Scanner Motor cable
J5
(refer to Table 3-13).
J4
Revision C
Remedy
1. Connect the Scanner Motor cable to J5 on the
Main Board.
2. Replace the Scanner Motor with a new one.
3. Replace the Scanner Motor Unit with a new
one.
1. Replace the Scanner Motor Unit with a new
one.
1. Connect the Scanner Carriage FFC to J4 on the
Main Board.
2. Replace the Scanner unit with a new one.
1. Replace the CIS Unit with a new one.
Confidential
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