Epson C117001-N - DFX 5000+ B/W Dot-matrix Printer Service Manual page 143

Troubleshooting
2. Carriage operation is abnormal.
inserted securely?
Yes
[ S m o o t h
No
I
If the motor is bad, replace.
If drivers are bad, replace at
the same time.
Yes
Replace the Cl 17 MAIN board.
No
Reinsert the connectors.
No
Yes
I
NOTE 1: Check the following connectors:
MAIN board) to CR encoder
CN1O (Cl 17
Junction board connector to CR motor
Refer to Section 5.5, Repair
of the Printer Mechanism.
Perform repair necessary.
No
END
FPC to junction board
'.. ,.-, r'
Rev. A