Epson Stylus Photo Service Manual 5

Chapter 5

Troubleshooting

5.1 Troubleshooting....................................................................................................5-1

5.2 Unit Level Troubleshooting .................................................................................5-3

5.2.1 Printer does not operate at power on................................................................................... 5-4

5.2.2 Error is detected.....................................................................................................................5-5

5.2.3 Failure occurs during printing .............................................................................................. 5-6

5.2.4 Printer does not feed the paper correctly............................................................................5-7

5.2.5 Control panel operation is abnormal.................................................................................... 5-8

5.3 Unit Repair C206 PSB/PSE Board.......................................................................5-9

5.3.1 Unit Repair - C209 MAIN Board........................................................................................... 5-11

5.4 Repair of the Printer Mechanism.......................................................................5-13

EPSON Stylus Photo

5.1 Troubleshooting

The printer may exhibit different symptoms for the same problem, which makes troubleshooting more difficult. This section, however, provides simple and effective ways to facilitate troubleshooting. The following flowchart illustrates the main steps of the troubleshooting process.

START

Unit Level Troubleshooting

Unit Repair (C206 PSB/PSE)

Unit Repair (C209 Main)

Disassembly and Adjustment

END

Unit Repair Printer Mechanism

Figure 5-1. Troubleshooting Process Flowchart

Table 5-1. Motor Resistance and Measurement Procedure

Motor Name Location Check Point No.* Meter Reading

CR Motor Assembly

PF(Pump) Motor

Assembly

Note*)

Set the Multi-meter for measuring resistance range.

CN6(C209 MAIN) 1 & 3pin or,

2 & 4pin

CN7(C209 MAIN) 1 & 3pin or,

2 & 4pin

7.8 Ohms ±10% (25 °C)

Make sure the power is off and remove the motor connectors from the main board.

Table 5-2. Sensor Check

Sensor Name Check Point Signal Level Sensor Status

Paper end sensor CN4 / 1-pin, H (5V) No paper

L (GND) Paper in

Carriage home

CN5 / 1-pin, H (5V) Home position position sensor (HP sensor) L (GND) Out of home position ASF phase Sensor CN11 / 1-pin, H (5V) Friction(paper feeding) position

L (GND) Release(waiting) position

Black cartridge

CN8 / 1-pin, H (5V) Black ink cartridge out sensor

L (GND) Black ink cartridge exists

Color cartridge sensor CN8 / 2-pin, H (5V) Color ink cartridge out

L (GND) Color ink cartridge exists

Thermistor CN8 / 3-pin, Resistance value It changes according to the

peripheral temperature. (10KOhms ±1% at 25°C)

Rev. A

5-1

Chapter 5 Troubleshooting

Table 5-3. Printer Condition and Panel Status

Indicators

Error status

Power Ink Out

(Black)

Paper Out --- --- --- On Load paper then press Paper jam condition --- Off Off Blink Eliminate a paper then press No Ink cartridge or Ink

end(black) No Ink cartridge or Ink

end(color) Ink low (Black) --- Blink --- --- ---

Ink low (Color) --- --- Blink --- --Maintenance error Blink Blink Blink Blink Change the waste ink absorber

Fatal error Blink On On Blink Turn off the printer and turn it

--- On --- --- Install a new black ink cartridge

--- --- On --- Install a new color ink cartridge

Ink Out

(Color)

Paper Out

load/eject button. load/eject button. according to ink cartridge

exchange operation. according to ink cartridge

exchange operation.

and reset the protect counter. on again. If the printer can not

recover, repair the suitable part.

Recovery

5-2

Rev.A

EPSON Stylus Photo

5.2 Unit Level Troubleshooting

When a problem occurs, you can identify the defective unit according to the symptoms exhibited. The table below lists the symptoms of certain problems. Once the problem is identified, refer to the flowchart that corresponds to the problem.

Table 5-4. Symptom and Problem

Symptom Problem Flowchart No.

Printer does not operate at power on

Error is detected Failure occurs during printing

Printer does not feed the paper correctly

Control panel operation is abnormal

•

LEDs do not light up.

•

Printer mechanism does not operate.

•

Error is indicated by LED indication.

•

Printing is not performed.

•

Abnormal printing(missing dot, etc.)

•

Print quality is poor

•

No paper is fed.

•

Paper feed is irregular.

•

Paper jam occurs.

•

No response to button access.

2 3

Rev. A

5-3

Chapter 5 Troubleshooting

5.2.1 Printer does not operate at power on

START

Is AC power voltage normal?

YES

Is the

fuse(F1) of

power supply

board

opened?

Check output voltage of CN2 in the power supply board.

Is the

output voltage

of power supply

normal?

YES

Exchange the main board.

YES

Input normal power supply.

Exchange the fuse. Disconnect CN10 in the main board and turn the power on again.

Is the

fuse opend

again?

YES

Exchange the power supply board

Check the motor and head. Refer to the repair item of the printer mechanism.

END

Figure 5-2. Flow Chart 1

5-4

Rev.A

+ 11 hidden pages