Service manual

EPSON Stylus Photo R340/350 Revision A

Troubleshooting Troubleshooting 16

Table 1-6. Troubleshooting of Fatal Errors based on Observed Symptom

Occurrence

Timing

CR Position

Symptoms Failed Part Check Point Remedies

• Occurrence

Timing:

At power-on

• CR Position:

---

The CR Motor does not start to operate

at all by turning the power On.

CR Motor 1. Check if the CR Motor cable is correctly connected to

CN11 on the Main Board.

1. Correctly connect the CR Motor cable to

CN11 on the Main Board.

2. Check the CR Motor if it works properly. 2. Replace the CR Motor with a new one.

The Carriage Unit hits against the

Change Lever which has inclined toward

the front of the printer at power-on.

PF Motor 1. Check if the PF Motor cable is correctly connected to

CN10 on the Main Board.

1. Correctly connect the PF Motor cable to

CN10 on the Main Board.

2. Check the PF Motor resistance with a tester if it is 3.0 Ω.

See Table 1-1 on page 8.

2. Replace the PF Motor with a new one.

Ink System 1. Check if the Compression Spring 2.36 in the Change

Lever has not come off.

1. Replace the Ink System with a new one.

CN11

CN10

Change Lever

Compression

Spring 2.36