Service Manual
Page 3
... 1-5 Setup Mode 1-6 How To Change The Printer Functions 1-6 Serial Interface Adapters 1-7 Serial Interface Switches 1-8 Function Switch Setting 1-8 Diagnostic Information 2-1 Start 2-1 Voltage, Ground, And Continuity Readings 2-1 Error Indication Table 2-2 Symptom/Check Table 2-6 Irrecoverable Operator Errors 2-13 Service Checks 2-14 Abnormal Noise Service Check 2-14 Auto Sheet Feeder (ASF) Service Check 2-15 Carrier Drive, Home Position Sensor, Ribbon Feed Service Check 2-17 Intermittent Problem Service Check 2-20 No Print or Abnormal Print Service Check 2-23 Operator Panel...
... 1-5 Setup Mode 1-6 How To Change The Printer Functions 1-6 Serial Interface Adapters 1-7 Serial Interface Switches 1-8 Function Switch Setting 1-8 Diagnostic Information 2-1 Start 2-1 Voltage, Ground, And Continuity Readings 2-1 Error Indication Table 2-2 Symptom/Check Table 2-6 Irrecoverable Operator Errors 2-13 Service Checks 2-14 Abnormal Noise Service Check 2-14 Auto Sheet Feeder (ASF) Service Check 2-15 Carrier Drive, Home Position Sensor, Ribbon Feed Service Check 2-17 Intermittent Problem Service Check 2-20 No Print or Abnormal Print Service Check 2-23 Operator Panel...
Service Manual
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...4-23 Head Gap Sensor Removal (23XX-002, 003 4-24 Home Position Sensor Removal 4-25 Label Jam Removal 4-26 Left Side Frame Removal 4-28 Lower Feed Roller Removal 4-30 Lower Pinch Roller Removal 4-32 Main Logic Board Removal 4-33 Operator Panel Assembly Removal 4-34 Paper Empty Sensor And Spring Removal 4-36 Paper Feed Motor Removal 4-38 Paper Guide Removal (Left And Right 4-39 Paper Guide / Platen Assembly Removal 4-40 Paper Select Lever Removal 4-42 Paper Select Sensor Removal 4-43 Paper Separator Removal 4-44 Power Supply Removal 4-46 Print Unit Removal 4-47 Printhead Removal...
...4-23 Head Gap Sensor Removal (23XX-002, 003 4-24 Home Position Sensor Removal 4-25 Label Jam Removal 4-26 Left Side Frame Removal 4-28 Lower Feed Roller Removal 4-30 Lower Pinch Roller Removal 4-32 Main Logic Board Removal 4-33 Operator Panel Assembly Removal 4-34 Paper Empty Sensor And Spring Removal 4-36 Paper Feed Motor Removal 4-38 Paper Guide Removal (Left And Right 4-39 Paper Guide / Platen Assembly Removal 4-40 Paper Select Lever Removal 4-42 Paper Select Sensor Removal 4-43 Paper Separator Removal 4-44 Power Supply Removal 4-46 Print Unit Removal 4-47 Printhead Removal...
Service Manual
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..." contains error code table, symptom table, and service checks used to isolate failing field replaceable units (FRUs). • "Diagnostic Aids" contains tests and checks used to prevent problems and maintain optimum performance. • "Parts Catalog" contains illustrations and part numbers for making printer adjustments and removing and installing FRUs. • "Connector Locations" uses illustrations to identify the major components and test points on the printer. • "Preventive Maintenance" contains lubrication specifications, and maintenance information to repair it...
..." contains error code table, symptom table, and service checks used to isolate failing field replaceable units (FRUs). • "Diagnostic Aids" contains tests and checks used to prevent problems and maintain optimum performance. • "Parts Catalog" contains illustrations and part numbers for making printer adjustments and removing and installing FRUs. • "Connector Locations" uses illustrations to identify the major components and test points on the printer. • "Preventive Maintenance" contains lubrication specifications, and maintenance information to repair it...
Service Manual
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... smooth paper scrolling capability, available from the operator panel. • Option slot. • Resident bar code. • Quiet mode. • Higher print speed (239X). General Information 1-1 The 23XX Forms Printers (23XX-003), in the home or small business. They also support the Tractor 2 Options. The 23XX Plus (23XX-002) printers are enhanced versions of the 23XX-002 printers are wide-carriage versions of the 2390...
... smooth paper scrolling capability, available from the operator panel. • Option slot. • Resident bar code. • Quiet mode. • Higher print speed (239X). General Information 1-1 The 23XX Forms Printers (23XX-003), in the home or small business. They also support the Tractor 2 Options. The 23XX Plus (23XX-002) printers are enhanced versions of the 23XX-002 printers are wide-carriage versions of the 2390...
Service Manual
Page 27
... same error during powerup, replace the main logic board and readjust the bidirectional print adjustment. If the printer completes POST successfully and eventually gets the same error, go to the "Tractor 2 Service Check" on page 2-20. Home Position Error Without Alarm Go to "Carrier Drive, Home Position Sensor, Ribbon Feed Service Check" on page 2-32. LED Power Ready Paper Font Pitch Alt Others Status ON BLINK BLINK BLINK BLINK OFF OFF Beeps 10 times None Home Position Error Go to "Power Service Check...
... same error during powerup, replace the main logic board and readjust the bidirectional print adjustment. If the printer completes POST successfully and eventually gets the same error, go to the "Tractor 2 Service Check" on page 2-20. Home Position Error Without Alarm Go to "Carrier Drive, Home Position Sensor, Ribbon Feed Service Check" on page 2-32. LED Power Ready Paper Font Pitch Alt Others Status ON BLINK BLINK BLINK BLINK OFF OFF Beeps 10 times None Home Position Error Go to "Power Service Check...
Service Manual
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... operation, incorrect characters, or incorrect line width. Diagnostic Information 2-7 Go to the "Print Speed Service Check" on page 2-23. Auto sheet feeder has intermittent feed problems. Action Be sure Sheet Feed is enabled in the cut sheet position. Slow printing speed. Be sure the paper select lever is installed, be sure it and its power interface cable are installed correctly. (Some adapters do not have a separate power cable.) Go to the "Auto Sheet Feeder (ASF) Service Check" on page 2-15. If the serial interface adapter...
... operation, incorrect characters, or incorrect line width. Diagnostic Information 2-7 Go to the "Print Speed Service Check" on page 2-23. Auto sheet feeder has intermittent feed problems. Action Be sure Sheet Feed is enabled in the cut sheet position. Slow printing speed. Be sure the paper select lever is installed, be sure it and its power interface cable are installed correctly. (Some adapters do not have a separate power cable.) Go to the "Auto Sheet Feeder (ASF) Service Check" on page 2-15. If the serial interface adapter...
Service Manual
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... ribbon cartridge is connected properly. Print density is installed correctly and the dip switches are set to the "Carrier Drive, Home Position Sensor, Ribbon Feed Service Check" on page 2-34. Be sure the printhead cables are not loose or damaged. Clean the printhead nose. Diagnostic Information 2-11 Print Quality Problems Symptom No print, but carrier moves as if printing. Be sure the serial interface adapter is light. Set the form thickness lever to a lower number. Uneven print density across the print line. Specific dots...
... ribbon cartridge is connected properly. Print density is installed correctly and the dip switches are set to the "Carrier Drive, Home Position Sensor, Ribbon Feed Service Check" on page 2-34. Be sure the printhead cables are not loose or damaged. Clean the printhead nose. Diagnostic Information 2-11 Print Quality Problems Symptom No print, but carrier moves as if printing. Be sure the serial interface adapter is light. Set the form thickness lever to a lower number. Uneven print density across the print line. Specific dots...
Service Manual
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.... When Auto Loading is disabled, press Form Feed to the cut sheet position and insert a cut sheet. Go to the "Paper Empty Sensor Service Check" on . Check the following in the order listed and if the printer does not work correctly, go to indicate an operator error. Paper Out turns off . Go to the "Paper Select Sensor Service Check" on . Check that Alt + Park/Load does not function. Irrecoverable Operator Errors Alt and Paper Out lights blink to the indicated service check. Set the paper select lever to the "Paper Select Sensor Service Check...
.... When Auto Loading is disabled, press Form Feed to the cut sheet position and insert a cut sheet. Go to the "Paper Empty Sensor Service Check" on . Check the following in the order listed and if the printer does not work correctly, go to indicate an operator error. Paper Out turns off . Go to the "Paper Select Sensor Service Check" on . Check that Alt + Park/Load does not function. Irrecoverable Operator Errors Alt and Paper Out lights blink to the indicated service check. Set the paper select lever to the "Paper Select Sensor Service Check...
Service Manual
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... feed rollers and the printer's lower feed rollers. Auto Sheet Feeder Principles of Operation The auto-sheet feeder (ASF) feeds into the cut sheet position, do the following: • Try to load a sheet with the ASF installed by the paper. To use the ASF: • The paper select lever must be selected in the cut sheet paper entry throat. When Auto Sheet Feeder is a clutch that causes the ASF pick rollers to the first print line. The combination lock mechanism is selected...
... feed rollers and the printer's lower feed rollers. Auto Sheet Feeder Principles of Operation The auto-sheet feeder (ASF) feeds into the cut sheet position, do the following: • Try to load a sheet with the ASF installed by the paper. To use the ASF: • The paper select lever must be selected in the cut sheet paper entry throat. When Auto Sheet Feeder is a clutch that causes the ASF pick rollers to the first print line. The combination lock mechanism is selected...
Service Manual
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... printer driver, or the specific job being sent. Refer to the printer power connector CN5. • On newer models, make sure the printer is not successful replace the serial interface adapter. Check the connection and continuity of the interface cable. Enter the Setup Menu and make sure the serial interface adapter's power LED is on page 4-5. Run the "Serial Interface Adapter Print Test" on . Diagnostic Information 2-23 If the serial interface adapter is installed, make sure the dip switches match the computer settings. • Make sure the serial adapter power cable...
... printer driver, or the specific job being sent. Refer to the printer power connector CN5. • On newer models, make sure the printer is not successful replace the serial interface adapter. Check the connection and continuity of the interface cable. Enter the Setup Menu and make sure the serial interface adapter's power LED is on page 4-5. Run the "Serial Interface Adapter Print Test" on . Diagnostic Information 2-23 If the serial interface adapter is installed, make sure the dip switches match the computer settings. • Make sure the serial adapter power cable...
Service Manual
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.../Load; There should turn forward (to try to park paper). the gear train should be 0 V dc when there is paper in the printer, and +5 V dc when there is installed. • If the sensor and the ASF setting are properly installed and undamaged. Make sure the sensor and its actuator are OK, replace the main logic board. • Reset the "Bidirectional Print Adjustment" on the main logic board...
.../Load; There should turn forward (to try to park paper). the gear train should be 0 V dc when there is paper in the printer, and +5 V dc when there is installed. • If the sensor and the ASF setting are properly installed and undamaged. Make sure the sensor and its actuator are OK, replace the main logic board. • Reset the "Bidirectional Print Adjustment" on the main logic board...
Service Manual
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..., remove the covers and reconnect the operator panel to the "Paper Empty Sensor Service Check" on page 2-26 and the "Top of Forms Problem Service Check" on the left, install Shim Kit, P/N 1368067. Press Form Feed several times and examine all rotating parts to off. On 23XX-001 printers check for specifications of the lower feed roller shaft with the Auto Sheet Feeder installed, refer to the "Auto Sheet Feeder (ASF) Service Check" on a 23XX-002 or 23XX-003, turn the right...
..., remove the covers and reconnect the operator panel to the "Paper Empty Sensor Service Check" on page 2-26 and the "Top of Forms Problem Service Check" on the left, install Shim Kit, P/N 1368067. Press Form Feed several times and examine all rotating parts to off. On 23XX-001 printers check for specifications of the lower feed roller shaft with the Auto Sheet Feeder installed, refer to the "Auto Sheet Feeder (ASF) Service Check" on a 23XX-002 or 23XX-003, turn the right...
Service Manual
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Reset the "Bidirectional Print Adjustment" on page 2-38. If the printer does not do this, inspect the sensor to make sure it is moved. Press Form Feed and time how long the gear train rotates. • With the paper select lever in the cut sheet position (sensor open , Park/Load will try to park paper when using push tractors. 8 Main Logic Board If the sensor has failed to CP5-2. 7 Pull Tractor Sensor Replace the sensor if...
Reset the "Bidirectional Print Adjustment" on page 2-38. If the printer does not do this, inspect the sensor to make sure it is moved. Press Form Feed and time how long the gear train rotates. • With the paper select lever in the cut sheet position (sensor open , Park/Load will try to park paper when using push tractors. 8 Main Logic Board If the sensor has failed to CP5-2. 7 Pull Tractor Sensor Replace the sensor if...
Service Manual
Page 55
... logic board. 3 Operator Panel Check the condition and continuity of the operator panel cable. The paper should not park or load when the pull tractor actuator is held down and releasing the left pull tractor actuator. Replace the operator panel and retest the printer. 4 Main Logic Board Replace the main logic board if necessary. Reset the bidirectional print adjustment; Check the connections of the short flexible cable and the power cable to function. FRU 2 Pull Tractor Sensor Action A failed pull tractor sensor can cause POST errors.
... logic board. 3 Operator Panel Check the condition and continuity of the operator panel cable. The paper should not park or load when the pull tractor actuator is held down and releasing the left pull tractor actuator. Replace the operator panel and retest the printer. 4 Main Logic Board Replace the main logic board if necessary. Reset the bidirectional print adjustment; Check the connections of the short flexible cable and the power cable to function. FRU 2 Pull Tractor Sensor Action A failed pull tractor sensor can cause POST errors.
Service Manual
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...-003 Forms Thickness Slowdown 26% speed reduction at Forms Thickness 7. Head Gap Sensor Assembly contains two switches. Head Gap Sensor contains one switch. Depending on the job content, thermal slowdown may print slowly due to 20 minutes on 239X printers and protects the printhead from overheating. No Head Gap Sensor. Print Speed Service Check Reduced speed while printing the top 2 inch (51 mm) of the 23XX printers varies with the font, forms thickness setting and printhead temperature. Head Gap Sensor Assembly contains two switches...
...-003 Forms Thickness Slowdown 26% speed reduction at Forms Thickness 7. Head Gap Sensor Assembly contains two switches. Head Gap Sensor contains one switch. Depending on the job content, thermal slowdown may print slowly due to 20 minutes on 239X printers and protects the printhead from overheating. No Head Gap Sensor. Print Speed Service Check Reduced speed while printing the top 2 inch (51 mm) of the 23XX printers varies with the font, forms thickness setting and printhead temperature. Head Gap Sensor Assembly contains two switches...
Service Manual
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Top of Forms Problem Service Check Note: This service check applies to the "Paper Empty Sensor Service Check" on page 2-26. 23XX-002 and 23XX-003 machines have a single paper sensor that the top of form sensor and its flag are properly installed and are undamaged. 2 Main Logic Board Remove the paper and set the paper select lever to the cut sheet position and turn the power on. Measure the voltage between main logic board CN8-2 (TOF signal) and CN8...
Top of Forms Problem Service Check Note: This service check applies to the "Paper Empty Sensor Service Check" on page 2-26. 23XX-002 and 23XX-003 machines have a single paper sensor that the top of form sensor and its flag are properly installed and are undamaged. 2 Main Logic Board Remove the paper and set the paper select lever to the cut sheet position and turn the power on. Measure the voltage between main logic board CN8-2 (TOF signal) and CN8...
Service Manual
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... is turned off and then back on: Turn the printer on while Pressing: Line Feed Alt Micro↑ & Micro↓ Alt + Tear Off (with printhead at extreme left) Alt + Setup (with printhead at extreme left) Alt + Macro (23XX-002, 003) Does This: Print test with sample fonts. Types of self tests are special machine modes that run these tests. Head Gap Sensor Test: Macro LEDs indicate sensor position. Diagnostic Aids 3-1 Disables/Enables Operator Panel Lockout Mode. Resets to World Trade default paper sizes. Resets to US default paper sizes. Sets printer in Hex Dump mode...
... is turned off and then back on: Turn the printer on while Pressing: Line Feed Alt Micro↑ & Micro↓ Alt + Tear Off (with printhead at extreme left) Alt + Setup (with printhead at extreme left) Alt + Macro (23XX-002, 003) Does This: Print test with sample fonts. Types of self tests are special machine modes that run these tests. Head Gap Sensor Test: Macro LEDs indicate sensor position. Diagnostic Aids 3-1 Disables/Enables Operator Panel Lockout Mode. Resets to World Trade default paper sizes. Resets to US default paper sizes. Sets printer in Hex Dump mode...
Service Manual
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... the right margin is operating correctly. To start the print test, do the following: 1. Press Start/Stop. The printout should be sure the printer is set to 13.6 inches. • After you test and troubleshoot the printer. Service Notes • Before starting the 2380 and 2390 print test, be sure letter size paper is loaded in the machine. • Before starting the 2381 and 2391 print test, be sure wide paper is loaded...
... the right margin is operating correctly. To start the print test, do the following: 1. Press Start/Stop. The printout should be sure the printer is set to 13.6 inches. • After you test and troubleshoot the printer. Service Notes • Before starting the 2380 and 2390 print test, be sure letter size paper is loaded in the machine. • Before starting the 2381 and 2391 print test, be sure wide paper is loaded...
Service Manual
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... necessary. 10. Using feeler gauges [1] of the printing. Install the ribbon cartridge and paper. 13. Repeat Steps 7 and 8 and readjust the gap if necessary. 11. Install the ribbon access cover. 14. 7. and 0.016 in.), move the right carrier bushing [2] forward or backward until the gap between 0.35 mm - 0.40 mm (0.014 in. - 0.016 in . Repeat procedure if necessary. 4-4 Run the self test and check the density...
... necessary. 10. Using feeler gauges [1] of the printing. Install the ribbon cartridge and paper. 13. Repeat Steps 7 and 8 and readjust the gap if necessary. 11. Install the ribbon access cover. 14. 7. and 0.016 in.), move the right carrier bushing [2] forward or backward until the gap between 0.35 mm - 0.40 mm (0.014 in. - 0.016 in . Repeat procedure if necessary. 4-4 Run the self test and check the density...
Service Manual
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... M Models available 1-1 O Operator Errors Irrecoverable 2-13 P Parts Auto Sheet Feeder Covers 7-28 Roller 7-26 Side Frame 7-28 Support 7-26 Carrier 7-10 Covers 7-6, 7-8 Electronics 7-20 Feed Roller 7-16 Paper Guide 7-16 Platen 7-16 Tractor 2 Option 7-30 Parts catalog How to use 7-1 Preventive Maintenance 6-1 Lubrication 6-1 Lubrication Points 6-2 Specified Lubricants 6-1 R Removal Procedures 4-7 Removals ASF Pick-up Roller 4-9 Auto Sheet Feeder Gears 4-8 Bottom Cover 4-10 Carrier 4-12 Carrier Motor Assembly 4-16 Carrier Plate 4-18 Download Buffer 4-21 Form Thickness Lever 4-22 Head Gap Sensor...
... M Models available 1-1 O Operator Errors Irrecoverable 2-13 P Parts Auto Sheet Feeder Covers 7-28 Roller 7-26 Side Frame 7-28 Support 7-26 Carrier 7-10 Covers 7-6, 7-8 Electronics 7-20 Feed Roller 7-16 Paper Guide 7-16 Platen 7-16 Tractor 2 Option 7-30 Parts catalog How to use 7-1 Preventive Maintenance 6-1 Lubrication 6-1 Lubrication Points 6-2 Specified Lubricants 6-1 R Removal Procedures 4-7 Removals ASF Pick-up Roller 4-9 Auto Sheet Feeder Gears 4-8 Bottom Cover 4-10 Carrier 4-12 Carrier Motor Assembly 4-16 Carrier Plate 4-18 Download Buffer 4-21 Form Thickness Lever 4-22 Head Gap Sensor...