Troubleshooting By Error Message - Epson Stylus CX7300 Service Manual

EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C

3.3.2 Troubleshooting by Error Message

The following tables provide troubleshooting procedures. Confirm the error message indicated on the LCD 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 3-5. Check point for Fatal error according to each phenomenon
Defective
unit/part name
1. Check if the Scanner Motor cable is connected to CN10
on the Main Board.
2. Check if the coil resistance of the Scanner Motor is about
43Ω*
Scanner Motor
Note *1 :
*2 :
3. Check if the Scanner Motor Connector Cable is damaged. 3. Replace the Scanner Motor with a new one.
Error Indications and Fault Occurrence Causes
Check point
CN10
Scanner Motor
cable
1 2
or 48Ω* by using the tester (refer to Table
Scanner Motor Connector Cable
Manufactured by Oki Electric Industry Co., Ltd.
Manufactured by MITSUMI ELECTRIC CO., LTD.
Remedy
1. Connect the Scanner Motor cable to CN10 on
the Main Board.
2. Replace the Scanner Motor with a new one.
3-1).
Confidential
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