Service Manual
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General Information The Color JetprinterTM 1020 printer is a single-unit customer replaceable supply item. ... the repair, perform tests as needed to a host computer. 4078-00X 1. A single printhead provides three colors and composite black printing. Power Consumption • Less than 2 Watts - This printer can be serviced without...verify the repair. After you to perform the bidirectional alignment adjustments after replacing a print cartridge. The printer also supports a black print cartridge and provides 600 X 300 dpi edge definition for professional quality text image and graphics...
General Information The Color JetprinterTM 1020 printer is a single-unit customer replaceable supply item. ... the repair, perform tests as needed to a host computer. 4078-00X 1. A single printhead provides three colors and composite black printing. Power Consumption • Less than 2 Watts - This printer can be serviced without...verify the repair. After you to perform the bidirectional alignment adjustments after replacing a print cartridge. The printer also supports a black print cartridge and provides 600 X 300 dpi edge definition for professional quality text image and graphics...
Service Manual
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... stops • Carrier slams side frame Communications Problems Action Go to the "Maintenance Station Service Check" on page 2-6. Symptom Paper Feed and / or Install print cartridge buttons do not operate Busy light does not come on page 2-12. Maintenance Station Problems Symptom Maintenance station: • Fails to cap the printhead •...
... stops • Carrier slams side frame Communications Problems Action Go to the "Maintenance Station Service Check" on page 2-6. Symptom Paper Feed and / or Install print cartridge buttons do not operate Busy light does not come on page 2-12. Maintenance Station Problems Symptom Maintenance station: • Fails to cap the printhead •...
Service Manual
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Cross contamination of color inks results in incorrect colors printed, as the print cartridge is a single break or random breaks in the print cartridge). A broken line indicates one or more print nozzles are mixed in the diagonal line check the following: • Check ... failure. Diagnostic Information 2-13 Also check the cable for wear. 4078-00X Print Quality Service Check FRU / Function 1 Print Cartridge 2 Color Print Cartridge Cross Contamination 3 Printhead Carrier Assembly 4 System Board Printhead Cable Rubber Backer Action Be sure the machine contains a good print...
Cross contamination of color inks results in incorrect colors printed, as the print cartridge is a single break or random breaks in the print cartridge). A broken line indicates one or more print nozzles are mixed in the diagonal line check the following: • Check ... failure. Diagnostic Information 2-13 Also check the cable for wear. 4078-00X Print Quality Service Check FRU / Function 1 Print Cartridge 2 Color Print Cartridge Cross Contamination 3 Printhead Carrier Assembly 4 System Board Printhead Cable Rubber Backer Action Be sure the machine contains a good print...
Service Manual
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... or problems in the maintenance station. Perform the "Maintenance Station Service Check" on page 2-8, then return to perform the bidirectional printing alignment, when replacing a print cartridge. 2-14
... or problems in the maintenance station. Perform the "Maintenance Station Service Check" on page 2-8, then return to perform the bidirectional printing alignment, when replacing a print cartridge. 2-14
Service Manual
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... of -Form and Home Position sensors. 4078-00X EOF and Home Position Sensors Test This test allows the servicer to begin the test. Install Print Cartridge After five seconds, release the buttons to test the function of the End-of the sensor, press and hold the following buttons while turning the...
... of -Form and Home Position sensors. 4078-00X EOF and Home Position Sensors Test This test allows the servicer to begin the test. Install Print Cartridge After five seconds, release the buttons to test the function of the End-of the sensor, press and hold the following buttons while turning the...
Service Manual
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Place a sheet of the sensor. 2. To run the test: 1. With the printer off . 4078-00X Initialize Error Log This test tracks intermittent errors. Use this procedure to reset the error log to push the End-of-Form flag out of paper in diagnosing intermittent or difficult problems. The test is complete when power is especially helpful in the sheet feeder far enough to zero. The error log is turned off , hold down the Install Print Cartridge button while turning the printer on. 3-3
Place a sheet of the sensor. 2. To run the test: 1. With the printer off . 4078-00X Initialize Error Log This test tracks intermittent errors. Use this procedure to reset the error log to push the End-of-Form flag out of paper in diagnosing intermittent or difficult problems. The test is complete when power is especially helpful in the sheet feeder far enough to zero. The error log is turned off , hold down the Install Print Cartridge button while turning the printer on. 3-3
Service Manual
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Load paper into the sheet feeder. 4. After five seconds, release the button to push the End-of-Form flag out of the sensor. 3. 4078-00X Print NVRAM Contents This test prints the contents of paper in the sheet feeder far enough to begin the test. 3-5 Place a sheet of NVRAM, which can be used for diagnostic purposes. Install a black print cartridge. 2. With the printer off, press and hold the Paper Feed button and turn the printer on. To run the test: 1.
Load paper into the sheet feeder. 4. After five seconds, release the button to push the End-of-Form flag out of the sensor. 3. 4078-00X Print NVRAM Contents This test prints the contents of paper in the sheet feeder far enough to begin the test. 3-5 Place a sheet of NVRAM, which can be used for diagnostic purposes. Install a black print cartridge. 2. With the printer off, press and hold the Paper Feed button and turn the printer on. To run the test: 1.
Service Manual
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To run the test: 1. A sheet of NVRAM to the EMEA factory defaults. With the printer off, press and hold the following buttons while turning the printer on: • Paper Feed • Install Print Cartridge 2. 4078-00X Reset NVRAM to EMEA Defaults This test resets the user defaults area of paper will feed and verify the defaults have been set to USA. Diagnostic Aids 3-6 Note: Factory defaults are initially set by printing "EMEA". After five seconds, release the buttons to begin the test. The page count and the error log do not change.
To run the test: 1. A sheet of NVRAM to the EMEA factory defaults. With the printer off, press and hold the following buttons while turning the printer on: • Paper Feed • Install Print Cartridge 2. 4078-00X Reset NVRAM to EMEA Defaults This test resets the user defaults area of paper will feed and verify the defaults have been set to USA. Diagnostic Aids 3-6 Note: Factory defaults are initially set by printing "EMEA". After five seconds, release the buttons to begin the test. The page count and the error log do not change.
Service Manual
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To run the test: 1. After five seconds, release the button to begin the test. Note: Factory defaults are initially set by printing "US". 3-7 With the printer off, press and hold the Install Print Cartridge button while turning the printer on: 2. A sheet of NVRAM to the USA factory defaults. 4078-00X Reset NVRAM to USA Defaults This test resets the user defaults area of paper will feed and verify the defaults have been set to USA. The page count and the error log do not change.
To run the test: 1. After five seconds, release the button to begin the test. Note: Factory defaults are initially set by printing "US". 3-7 With the printer off, press and hold the Install Print Cartridge button while turning the printer on: 2. A sheet of NVRAM to the USA factory defaults. 4078-00X Reset NVRAM to USA Defaults This test resets the user defaults area of paper will feed and verify the defaults have been set to USA. The page count and the error log do not change.
Service Manual
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...to verify all nozzles are printing. The next three lines are the purge pattern where all print cartridge nozzles are not working . Line 3 - Page count followed by a printout of black and color patterns, be no breaks in the diagonal line indicates one or more nozzles are working . ...A break in the diagonal line. This action cleans (purges) the nozzles. There should be sure the print cartridge is the black print cartridge nozzle pattern. Line 2 -...
...to verify all nozzles are printing. The next three lines are the purge pattern where all print cartridge nozzles are not working . Line 3 - Page count followed by a printout of black and color patterns, be no breaks in the diagonal line indicates one or more nozzles are working . ...A break in the diagonal line. This action cleans (purges) the nozzles. There should be sure the print cartridge is the black print cartridge nozzle pattern. Line 2 -...
Service Manual
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... of the parts are arranged according to the name of the latch away from the part to perform the bidirectional alignment adjustments after replacing a print cartridge. release them carefully. Unplug the power cord before removing any parts. To remove such parts, press the hook end of the printer part discussed. The...
... of the parts are arranged according to the name of the latch away from the part to perform the bidirectional alignment adjustments after replacing a print cartridge. release them carefully. Unplug the power cord before removing any parts. To remove such parts, press the hook end of the printer part discussed. The...
Service Manual
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4078-00X Connector CN1 CN2 CN4 CN5 CN6 CN7 CN8 SW1 SW2 SW3 LED1 LED2 Connector Names Printhead Cable 1 Printhead Cable 2 Carrier Transport Motor Home Position Sensor Paper Feed Motor Power Supply Parallel Port Power Switch Paper Feed Switch Install Print Cartridge Switch Busy Light Power on Light 5-2
4078-00X Connector CN1 CN2 CN4 CN5 CN6 CN7 CN8 SW1 SW2 SW3 LED1 LED2 Connector Names Printhead Cable 1 Printhead Cable 2 Carrier Transport Motor Home Position Sensor Paper Feed Motor Power Supply Parallel Port Power Switch Paper Feed Switch Install Print Cartridge Switch Busy Light Power on Light 5-2