Operation

1 Check power cable connections and recycle power to printer.

2 Replace power adapter and retest.

3 Reseat logic board connectors and retest. If problem continues replace logic board.

4 Check that Power and Resume buttons are not stuck on keypad cover.

5 Replace lightpipe assembly and retest.

Does not print

1 Refer to LEDs later in this chapter.

2 Turn on printer and restart computer.

3 Check interface cable and connector. Replace interface cable.

4 Open Chooser and verify correct printer driver and port.

5 Replace printer driver.

6 Reseat logic board connectors. Replace logic board.

I/O failure

1 Check interface cable and connector.

2 Replace interface cable.

3 Reseat logic board connectors. Replace logic board.

Carriage collides with left side

Make sure white plastic clutch actuator is not interfering with carriage movement. If necessary, reseat clutch actuator. See "Fixing Carriage Stalls" in Additional Procedures for location of clutch actuator. Remove obstructions from carriage and paper paths. Clean excessive ink or oil from encoder strip, carriage assembly, and carriage path components. Be sure encoder strip stiffner is in place. Replace encoder strip.

Reseat logic board connectors. If problems continue, replace logic board.

Check mechanical assembly for damage and proper operation. Replace faulty or damaged mechanical assembly.

Carriage collides with right side

1 Make sure purge unit does not interfere with carriage movement.

2 Manually slide carriage. Remove obstructions from carriage and paper paths.

3 Replace any part interfering with carriage movement.

4 Reseat logic board connectors. If problem continues, replace logic board.

5 Check carriage motor cable connection.

6 Replace carriage motor.

7 Check purge unit motor. Verify purge unit motor is connected. If connected, replace the purge unit motor.

8 Reseat the ribbon carriage cable. If problem continues, replace the ribbon carriage cable.

9 Check mechanical assembly for damage and proper operation.

10 Replace faulty or damaged mechanical assembly.

Ink cartridge won't lock in carriage

No print or printer locks up

Stops printing

1 Verify correct ink cartridge for the printer. Refer to Basics.

2 Replace ink cartridge.

3 Remove and reinstall purge unit. If faulty replace purge unit.

4 Replace mechanical assembly.

1 Recycle power to the printer. Sometimes this requires unplugging the printer from the wall.

2 Reseat logic board connectors and retest. If problems continue, replace logic board.

3 Replace mechanical assembly.

1 Make sure clutch actuator is not interfering with carriage movement.

2 Remove obstructions from carriage and paper paths.

3 Replace any part interfering with carriage movement.

4 Reseat logic board connectors and retest.

5 Replace logic board.

6 Replace carriage motor and retest.

Short pen life 1

Erratic or slow 1

movement 2

Replace mechanical assembly.

Replace the power supply board and retest.

Check that tape is not covering the print cartridge. Replace ink cartridge. Inspect and clean purge unit area. Retest. Replace purge unit.

Visually inspect the mechanism for obstructions.

Remove and clean the print cartridge contacts. Try using the print cartridge in another printer. If problem continues with the other printer, replace the print cartridge.

Perform "Fiber Track Cleaning" in Additional Procedures.

Replace the power supply board. Retest.

Inspect the carriage belt for frays, cuts, or other damage.

Check mechanical assembly for damage and proper operation.

Replace the mechanical assembly.

Reseat logic board connectors and retest.

Rejects cartridge

1 Remove tape on ink cartridge. Retest.

2 Remove and clean the print cartridge contacts. Try using the print cartridge in another printer.

3 Perform "Print Head Cleaning" in Additional Procedures.

4 Replace ink cartridge.

5 Remove/reinstall flexible ribbon carriage cable.

6 Replace mechanical assembly.

7 Reseat logic board connectors. Replace logic board.

Leaky cartridge

1 Clean ink damaged parts. Replace ink damaged parts. Note: Apple does not support damage from the use of refilled ink cartridges.

2 Replace ink cartridge.

3 Replace mechanical assembly.

4 Inspect and clean purge unit. Replace purge unit.

5 Reseat logic board connectors. Replace logic board.

6 Verify purge unit motor cable is connected. If connected, replace purge unit motor.

Grinding, squeaking or scraping noise

1 Clean and inspect the printer.

2 Manually slide carriage. Remove obstructions from carriage and paper paths.

3 Replace mechanical assembly. Retest.

4 Inspect and replace frayed or cut carriage belt.

5 Replace mechanical assembly.

6 Replace paper feed motor. Retest.

7 Replace drive gear. Retest.

8 Replace pivot spring. Retest.

9 Replace purge unit motor. Retest. 1 0 Replace carriage motor. Retest.

1 1 Remove pressure plate and check for obstructions.

1 2 Reseat logic board connectors. Replace logic board.

Knocking or clicking noise

1 Clean and inspect the printer.

2 Manually slide carriage. Remove obstructions from carriage and paper paths.

3 Inspect and replace frayed or cut carriage belt.

4 Check mechanical assembly for damage and proper operation. Replace faulty or damaged mechanical assembly.

5 Replace carriage motor.

Paper feeds continuously

Verify that paper-out actuator is properly positioned to the sensor on the logic board.

Verify no obstruction is interfering with the pressure plate operation. Replace the pressure plate and retest.

Verify the carriage assembly slides to the clutch actuator and the clutch actuator engages the clutch (left side of carriage).

If faulty, replace the mechanical assembly.

Verify paper motor is connected to the logic board. If connected, replace the paper motor.

Reseat logic board connectors. Replace logic board.

Burning smell

1 Visually inspect motors. Replace damaged motors.

2 Reseat logic board connectors. If problems continue, replace logic board.

3 Replace the power supply board.

4 Replace mechanical assembly.

No trouble found

1 Run Self Tests. Refer to Additional Procedures.

2 Perform Diagnostic Tests. Refer to Additional Procedures.

Paper

Paper sticks together

1 Fan paper and remove excess sheets from paper tray.

2 Verify that media meets specifications.

3 Stack media against right wall of In Tray.

4 Verify that paper-out actuator contacts sensor board. If not, replace actuator.

5 If actuator does contact sensor board, replace board.

6 Remove pressure plate and check for obstructions.

7 Replace pressure plate.

8 Replace mechanical assembly.

Paper skews

Perform diagnostic test to verify that print skew is out of specification. Refer to Additional Procedures. Inspect paper tray. Make sure it's firmly installed. Replace and retest. Note: If margin on left side of page gets larger, cause is likely the input tray.

Inspect width adjuster. Make sure width adjuster is against

the media. Replace and retest. Note: If margin on left side of paper gets smaller, cause is likely the chassis or other mechanical part. 4 Replace the mechanical assembly.

Paper jams 1 Remove media from paper path.

2 Verify media meets printer's paper specifications. Note: If sticky labels are stuck in the mechanism, the mechanism will have to be replaced.

3 Verify the carriage assembly slides to the clutch actuator and the clutch actuator engages the clutch (left side of carriage). If faulty, replace the mechanical assembly.

4 Check paper feed motor connection. If connected, replace paper feed motor.

5 Remove paper tray. Replace if necessary.

6 Replace mechanical assembly.

Paper doesn't load completely

1 Remove paper tray and check for obstructions.

2 Clean drive rollers. Use water on a clean lint-free cloth.

3 Replace paper tray.

4 Replace mechanical assembly.

5 Reseat logic board connectors. Replace logic board.

Paper doesn't eject

1 Remove and reinstall paper tray.

2 Inspect "wings" to be sure they are properly and completely installed. Refer to the Exploded View for wing locations.

3 Remove media from paper path.

4 Verify media meets specifications.

5 Inspect clutch actuator to see that it moves freely. See "Fixing Carriage Stalls" in Additional Procedures for location.

6 Replace mechanical assembly.

Paper feeds continuously

1 Remove and reinstall the paper tray.

2 Verify the carriage assembly can slide to the clutch actuator and that the clutch actuator can engage the clutch (left side of carriage). Replace the mechanical assembly.

3 Remove media from the paper path. Verify media meets specifications.

4 Replace mechanical assembly.

Multiple pickup

Verify media is lined up against the right wall of the paper tray. Verify the paper meets the printer's media specifications.

Remove and reinstall paper tray. Retest.

Clean the encoder strip with water. Replace is necessary.

Replace the mechanical assembly.

Print Quality

Missing dots

1 Perform "Fiber Track Cleaning" in Additional Procedures.

2 Perform "Print Head Cleaning" in Additional Procedures.

3 Make sure ink cartridges are set firmly.

4 Use only specified paper, envelopes, transparencies.

5 Replace ink cartridge. See Additional Procedures chapter.

6 Reseat logic board connectors. Replace logic board.

Carriage moves but printer doesn't print

1 Make sure the tape is removed from the ink cartridge.

2 Remove and clean the print cartridge contacts.

3 Perform "Print Head Cleaning" in Additional Procedures.

4 Replace ink cartridge. See Additional Procedures.

5 Reseat logic board connectors. If problem continues, replace logic board.

6 Replace mechanical assembly.

Incomplete print

1 Remove tape on ink cartridge. Replace the ink cartridge.

2 Clean the print cartridge contacts.

3 Perform "Print Head Cleaning" in Additional Procedures.

4 Reseat logic board connectors. Replace logic board.

5 Replace mechanical assembly.

Blurring or fuzzy printing

1 Clean the fibers from the carriage assembly. Perform "Fiber Track Cleaning" in Additional Procedures.

2 Look for obstruction interfering with the carriage movement. Replace the mechanical assembly.

3 Remove and reseat interface cable.

4 Reseat logic board connectors. Replace logic board.

5 Perform "Print Head Cleaning" in Additional Procedures.

6 Replace ink cartridge.

7 Replace mechanical assembly.

Underlines or streaks

1 Replace ink cartridge and retest.

2 Reseat the flexible ribbon carriage cable. Replace the cable.

3 Perform "Fiber Track Cleaning" in Additional Procedures.

4 Perform "Print Head Cleaning" in Additional Procedures.

5 Reseat all logic board connectors. If problem continues, replace the logic board.

6 Check operation of mechanical assembly. If damaged, replace mechanical assembly.

Prints wrong color

1 Perform "Print Head Cleaning" in Additional Procedures.

2 Replace ink cartridge. See Additional Procedures.

3 Reseat all logic board connectors. If problem continues, replace the logic board.

4 Replace mechanical assembly.

Black and white is printing instead of color

Check print settings. Make sure the "Print is Grayscale" option is not selected and that other color options are specified correctly.

Printer Fails Self-Tests

1 Perform "Fiber Track Cleaning" in Additional Procedures.

2 Perform "Print Head Cleaning" in Additional Procedures.

3 Replace ink cartridge. See Additional Procedures.

4 Reseat all logic board connectors. If problem continues, replace the logic board.

5 Check operation of mechanical assembly. If damaged, replace mechanical assembly.

Vertical Misalignment 1

Check for oil or excessive ink on encoder strip. Clean the encoder strip with water. If necessary, replace the encoder strip.

Clean and inspect the mechanism. If the mechanism cause printer related problems, replace the mechanism.

LEDs

Power and Resume lights off

1 Check power connections and power source.

2 Recycle power to printer.

3 Replace power cord.

4 Replace power board and retest.

5 Reseat logic board connectors. Replace logic board.

Power and Resume lights blinking in unison, printer won't print

1 Verify printer has paper and ink cartridges.

2 Make sure ink cartridges are properly seated.

3 Visually inspect the paper-out sensor. Verify the sensor is properly positioned to the flag sensor on the logic board.

4 Reseat logic board connectors. Replace logic board.

5 Replace the carriage motor. Retest

Power and Resume lights flashing alternately, printer won't print

1 Make sure the top cover is closed.

2 Verify printer connections.

3 Verify proper printer driver and printer port are selected.

4 Perform printer self tests. Refer to "Printer Tests" in Additional Procedures.

5 Replace printer cable.

6 Reseat logic board connectors. Replace logic board.

7 Verify that paper-out actuator contacts sensor on the logic board. If not, replace actuator.

8 Replace mechanical assembly.

9 Look for oil or excessive ink on the encoder strip. Clean the encoder strip with water. Replace if necessary.

1 0 Replace the carriage motor. 1 1 Refer to "Carriage Stall" in Additional Procedures.

Power and Resume lights on steady, printer won't print

Try recycling power to printer.

Check that correct printer driver is selected.

Replace the printer cable, retest.

Check the clutch actuator. Make sure it's free from obstructions and moves freely. See "Fixing Carriage Stalls"

in Additional Procedures for clutch location.

Reseat logic board connectors. Replace logic board.

Replace mechanical assembly.

Power light on but Resume light flashing, printer won't print

Install media. Make sure media is not buckled in IN tray and paper length and width adjusters are firmly against media stack.

Check for paper jam. See Additional Procedures. Install ink cartridge or replace empty ink cartridge. Make sure ink cartridge snaps into place and cover is closed. Refer to "Cleaning Paper Jams" in Additional Procedures. Reseat ink cartridge.

Press Resume button. Page should print and eject to OUT tray.

No Lights 1 Reseat logic board connectors and retest. If problems continue, replace the logic board. 2 Replace the power supply and retest.

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