Service Manual
Page 30
... light is in the computer or interface cable. Abnormal Noise Problems Symptom During POST, abnormal noise comes from the printer and turn the printer off . Action Check the ribbon cartridge for binds or damage. Go to "Abnormal Noise Service Check" on but POST will not run. Go to the... the symptom that best describes the problem. 2. Action Disconnect the interface cable from the carrier. During idling, abnormal noise comes from the printer. Go to the indicated service check. If POST now runs correctly, the problem is on page 2-17. Perform the appropriate action before ...
... light is in the computer or interface cable. Abnormal Noise Problems Symptom During POST, abnormal noise comes from the printer and turn the printer off . Action Check the ribbon cartridge for binds or damage. Go to "Abnormal Noise Service Check" on but POST will not run. Go to the... the symptom that best describes the problem. 2. Action Disconnect the interface cable from the carrier. During idling, abnormal noise comes from the printer. Go to the indicated service check. If POST now runs correctly, the problem is on page 2-17. Perform the appropriate action before ...
Service Manual
Page 35
... to be replaced. Verify that the ribbon density control knob on the ribbon cartridge is worn, the ribbon cartridge needs to be replaced. Set the form thickness lever to a lower number. Action Adjust the form thickness lever to position "1" and run the print test. Go to the "Carrier Drive, Home ... Feed Service Check" on page 2-17. Clean the ribbon guide and shield. Uneven print density across the print line. Diagnostic Information 2-11 Specific dots missing. Go to the "Print Speed Service Check" on page 2-17. Go to the printhead and the sub logic board. Print density is ...
... to be replaced. Verify that the ribbon density control knob on the ribbon cartridge is worn, the ribbon cartridge needs to be replaced. Set the form thickness lever to a lower number. Action Adjust the form thickness lever to position "1" and run the print test. Go to the "Carrier Drive, Home ... Feed Service Check" on page 2-17. Clean the ribbon guide and shield. Uneven print density across the print line. Diagnostic Information 2-11 Specific dots missing. Go to the "Print Speed Service Check" on page 2-17. Go to the printhead and the sub logic board. Print density is ...
Service Manual
Page 36
Action Clean and lubricate the carrier shaft. Ribbon Feed Problems Symptom Ribbon comes off, becomes loose or folded, or jams. Ribbon feeds correctly but is worn or broken, replace the carrier unit. Go to the "Carrier Drive, Home Position Sensor, Ribbon Feed Service Check" on page 2-17. 2-12 If the carrier drive belt is noisy. Go to the "Carrier Drive, Home Position Sensor, Ribbon Feed Service Check" on page 2-17. Symptom Wavy vertical lines, uneven left margin or character width is reduced. Action Check the ribbon cartridge for binds or damage.
Action Clean and lubricate the carrier shaft. Ribbon Feed Problems Symptom Ribbon comes off, becomes loose or folded, or jams. Ribbon feeds correctly but is worn or broken, replace the carrier unit. Go to the "Carrier Drive, Home Position Sensor, Ribbon Feed Service Check" on page 2-17. 2-12 If the carrier drive belt is noisy. Go to the "Carrier Drive, Home Position Sensor, Ribbon Feed Service Check" on page 2-17. Symptom Wavy vertical lines, uneven left margin or character width is reduced. Action Check the ribbon cartridge for binds or damage.
Service Manual
Page 38
... Drive Mechanism 4 Paper Feed Mechanism Action Remove and reinstall the ribbon cartridge. Run the print test (do not fold or damage the cables during the test). Disconnect the paper feed motor from CN10 from the main logic board, and turn the printer off and then on. Disconnect the printhead cables. Replace the.... If the abnormal noise is gone. If the abnormal noise is gone, look for loose parts. Service Checks Abnormal Noise Service Check Check the entire printer for a problem with the carrier motor or ribbon drive mechanism.
... Drive Mechanism 4 Paper Feed Mechanism Action Remove and reinstall the ribbon cartridge. Run the print test (do not fold or damage the cables during the test). Disconnect the paper feed motor from CN10 from the main logic board, and turn the printer off and then on. Disconnect the printhead cables. Replace the.... If the abnormal noise is gone. If the abnormal noise is gone, look for loose parts. Service Checks Abnormal Noise Service Check Check the entire printer for a problem with the carrier motor or ribbon drive mechanism.
Service Manual
Page 42
... Home Position Error still occurs, verify that the 5 V dc home position sensor signal is no Home Position Error, check the carrier belt and the ribbon cartridge for binds and to check for wear or damage. If the carrier still binds: Remove the belt and move the carrier the full length of...
... Home Position Error still occurs, verify that the 5 V dc home position sensor signal is no Home Position Error, check the carrier belt and the ribbon cartridge for binds and to check for wear or damage. If the carrier still binds: Remove the belt and move the carrier the full length of...
Service Manual
Page 45
...circuit is failing, or the wiring is within tolerance. 2. Action The cause of life has been reached, have the customer replace the ribbon cartridge. Turn the printer power on and check all feed roller surfaces. • Clean the ribbon shield and printhead. • Clean the platen surface. •... Install the ribbon cartridge correctly. • If the ribbon end of this problem may be sure it is intermittently open. Be sure the output ...
...circuit is failing, or the wiring is within tolerance. 2. Action The cause of life has been reached, have the customer replace the ribbon cartridge. Turn the printer power on and check all feed roller surfaces. • Clean the ribbon shield and printhead. • Clean the platen surface. •... Install the ribbon cartridge correctly. • If the ribbon end of this problem may be sure it is intermittently open. Be sure the output ...
Service Manual
Page 77
Remove the ribbon cartridge and paper. 4. and 0.016 in .). Turn the printer off. 2. Move the carrier so that it is between 0.35 mm - 0.40 mm (0.014 in. - 0.016 in .), move the left side frame. 6. Note: The gap ... wide enough for the 0.35 mm (0.014 in.) feeler gauge to slide in smoothly without catching, but too narrow to position 1. 5. Repair Information 4-3 Set the form thickness lever to insert the 0.40 mm (0.016 in . Using feeler gauges [1] of the left upper feed roller, approximately 50 mm (2.0 in.) from the left...
Remove the ribbon cartridge and paper. 4. and 0.016 in .). Turn the printer off. 2. Move the carrier so that it is between 0.35 mm - 0.40 mm (0.014 in. - 0.016 in .), move the left side frame. 6. Note: The gap ... wide enough for the 0.35 mm (0.014 in.) feeler gauge to slide in smoothly without catching, but too narrow to position 1. 5. Repair Information 4-3 Set the form thickness lever to insert the 0.40 mm (0.016 in . Using feeler gauges [1] of the left upper feed roller, approximately 50 mm (2.0 in.) from the left...
Service Manual
Page 78
... just to the right of the printing. Install the ribbon access cover. 14. Repeat Steps 5 and 6 and readjust the gap if necessary. 10. Set the form thickness lever to insert the 0.40 mm (0.016 in .). Run the self test and check the density of the right upper feed roller, approximately 50... (0.014 in. - 0.016 in .) feeler gauge. 9. Using feeler gauges [1] of 0.35 mm and 0.40 mm (0.014 in .) from the right side frame. 8. Install the ribbon cartridge and paper. 13.
... just to the right of the printing. Install the ribbon access cover. 14. Repeat Steps 5 and 6 and readjust the gap if necessary. 10. Set the form thickness lever to insert the 0.40 mm (0.016 in .). Run the self test and check the density of the right upper feed roller, approximately 50... (0.014 in. - 0.016 in .) feeler gauge. 9. Using feeler gauges [1] of 0.35 mm and 0.40 mm (0.014 in .) from the right side frame. 8. Install the ribbon cartridge and paper. 13.
Service Manual
Page 79
...Be sure the ribbon cartridge and continuous forms are printed from right to left to right. Note: This adjustment cannot be completed if the printer runs out of the main logic board or the carrier, perform the following procedure to use continuous forms. 1. Press the ...Bidirectional Alignment button. (Button varies with model.) 5. The second and fourth lines are printed from left . The first and third lines are installed. 2. The printer enters Setup Mode. 4. Turn the printer on. 3. Repair Information 4-5 Press...
...Be sure the ribbon cartridge and continuous forms are printed from right to left to right. Note: This adjustment cannot be completed if the printer runs out of the main logic board or the carrier, perform the following procedure to use continuous forms. 1. Press the ...Bidirectional Alignment button. (Button varies with model.) 5. The second and fourth lines are printed from left . The first and third lines are installed. 2. The printer enters Setup Mode. 4. Turn the printer on. 3. Repair Information 4-5 Press...
Service Manual
Page 122
... the form thickness lever to -Platen Gap Adjustment procedure, see "Bidirectional Print Adjustment" on page 4-5. 4-48 Release the two latches [1] and then lift the printhead up and remove. Printhead Removal 1. Remove the ribbon access cover. 5. Remove the ribbon cartridge. 6. Turn the printer off.... 2. Disconnect the power cord at the printer. • Let the printhead cool for the ribbon cartridge to avoid getting your finger stuck between the carrier and ribbon drive...
... the form thickness lever to -Platen Gap Adjustment procedure, see "Bidirectional Print Adjustment" on page 4-5. 4-48 Release the two latches [1] and then lift the printhead up and remove. Printhead Removal 1. Remove the ribbon access cover. 5. Remove the ribbon cartridge. 6. Turn the printer off.... 2. Disconnect the power cord at the printer. • Let the printhead cool for the ribbon cartridge to avoid getting your finger stuck between the carrier and ribbon drive...
Service Manual
Page 141
Reference A B C D E F G H I J K L M N O P Q R S T U V W Part Name Form Thickness Lever Paper Select Lever Carrier Motor Paper Feed Motor Parallel Interface Connector Main Logic Board Sub Logic Board Power Supply Tractor Unit Pull Tractor Actuator Ribbon Cartridge Ribbon Drive Rack Gear Pinch Roller, Lower Feed Roller, Lower Printhead Printhead Cables Carrier Tension Pulley Plate Feed Roller, Upper Platen Side Frame, Right Side Frame, Left Carrier Plate Connector Locations 5-1 5. Connector Locations This chapter shows the locations of specific parts of the printer.
Reference A B C D E F G H I J K L M N O P Q R S T U V W Part Name Form Thickness Lever Paper Select Lever Carrier Motor Paper Feed Motor Parallel Interface Connector Main Logic Board Sub Logic Board Power Supply Tractor Unit Pull Tractor Actuator Ribbon Cartridge Ribbon Drive Rack Gear Pinch Roller, Lower Feed Roller, Lower Printhead Printhead Cables Carrier Tension Pulley Plate Feed Roller, Upper Platen Side Frame, Right Side Frame, Left Carrier Plate Connector Locations 5-1 5. Connector Locations This chapter shows the locations of specific parts of the printer.