Engine diagnostics
This section provides an overview of the engine diagnostics that are available in the HP Color LaserJet CP6015 Series product. The product contains extensive internal diagnostics that help in troubleshooting
print quality, paper path, noise, component, and timing issues.
LED diagnostics
LED, engine, and individual diagnostics can identify and troubleshoot product problems.
Understand lights on the formatter
Three LEDs on the formatter indicate that the product is functioning correctly.
HP Jetdirect LEDs
The embedded HP Jetdirect print server has two LEDs. The yellow LED indicates network activity, and the green LED indicates the link status. A blinking yellow LED indicates network traffic. If the green LED
is off, a link has failed.
For link failures, check all of the network cable connections. In addition, you can try to manually configure the link settings on the embedded print server by using the product control-panel menus.
1. Press Menu.
2. Press the down arrow to highlight CONFIGURE DEVICE, and then press the checkmark button
3. Press the down arrow to highlight I/O, and then press checkmark button .
4. Press the down arrow to highlight EMBEDDED JETDIRECT MENU, and then press the checkmark button .
5. Press the down arrow to highlight LINK SPEED, and then press the checkmark button .
6. Select the appropriate link speed, and then press the checkmark button .
Heartbeat LED
The heartbeat LED indicates that the formatter is functioning correctly. While the product is initializing after you turn it on, the LED blinks rapidly, and then turns off. When the product has finished the
initialization sequence, the heartbeat LED pulses on and off.
The heartbeat LED will perform the following sequences:
1. The LED blinks with four fast bursts at power on.
2. The LED blinks at a fast, steady rate during memory testing (one blink per 8 MB).
3. The LED stays off for about eight seconds, while the boot code is decompressing, before the display turns on.
4. The LED blinks at a steady rate of two blinks per second for the remainder of the product operation.
5. If these sequences are not performed, check the following:
◦ Reseat the memory.
◦ Replace the memory.
◦ Replace the formatter.
6. If the control panel display does not illuminate, perform an engine test to check the engine. You must have paper loaded in Tray 2 for the engine test.
Engine-test button
To verify that the product engine is functioning, print an engine test page. Use a small pointed object to depress the test-page switch located on the rear of the product. The test page should have a series of horizontal lines. The test page can use only Tray 2 as the paper source, so make sure that paper is loaded in Tray 2.
Figure 7-13 Engine-test button
This section provides an overview of the engine diagnostics that are available in the HP Color LaserJet CP6015 Series product. The product contains extensive internal diagnostics that help in troubleshooting
print quality, paper path, noise, component, and timing issues.
LED diagnostics
LED, engine, and individual diagnostics can identify and troubleshoot product problems.
Understand lights on the formatter
Three LEDs on the formatter indicate that the product is functioning correctly.
HP Jetdirect LEDs
The embedded HP Jetdirect print server has two LEDs. The yellow LED indicates network activity, and the green LED indicates the link status. A blinking yellow LED indicates network traffic. If the green LED
is off, a link has failed.
For link failures, check all of the network cable connections. In addition, you can try to manually configure the link settings on the embedded print server by using the product control-panel menus.
1. Press Menu.
2. Press the down arrow to highlight CONFIGURE DEVICE, and then press the checkmark button
3. Press the down arrow to highlight I/O, and then press checkmark button .
4. Press the down arrow to highlight EMBEDDED JETDIRECT MENU, and then press the checkmark button .
5. Press the down arrow to highlight LINK SPEED, and then press the checkmark button .
6. Select the appropriate link speed, and then press the checkmark button .
Heartbeat LED
The heartbeat LED indicates that the formatter is functioning correctly. While the product is initializing after you turn it on, the LED blinks rapidly, and then turns off. When the product has finished the
initialization sequence, the heartbeat LED pulses on and off.
The heartbeat LED will perform the following sequences:
1. The LED blinks with four fast bursts at power on.
2. The LED blinks at a fast, steady rate during memory testing (one blink per 8 MB).
3. The LED stays off for about eight seconds, while the boot code is decompressing, before the display turns on.
4. The LED blinks at a steady rate of two blinks per second for the remainder of the product operation.
5. If these sequences are not performed, check the following:
◦ Reseat the memory.
◦ Replace the memory.
◦ Replace the formatter.
6. If the control panel display does not illuminate, perform an engine test to check the engine. You must have paper loaded in Tray 2 for the engine test.
Engine-test button
To verify that the product engine is functioning, print an engine test page. Use a small pointed object to depress the test-page switch located on the rear of the product. The test page should have a series of horizontal lines. The test page can use only Tray 2 as the paper source, so make sure that paper is loaded in Tray 2.
Figure 7-13 Engine-test button
Diagnostics that put the engine into the special diagnostics mode
Four diagnostic tests put the engine into a special state:
● Disable-cartridge check
● paper-path sensors
● Manual sensor test
● Manual sensor test 2
● Component test
While the printer is in the special diagnostics mode, the following message should appear:
READY DIAGNOSTICS MODE
TO EXIT PRESS STOP
When the printer is in the special diagnostics mode, these five tests display in the menu and are available to be run. To gain access into other diagnostic tests or to leave the special state, press Stop, and then
select EXIT. The printer will reset itself, and then return to the normal state.
NOTE: You need to have a good understanding of how the printer operates in order to use the engine diagnostics successfully. Before proceeding with these diagnostic tests, make sure that you understand
the information in chapter 5 of this manual.
Diagnostic tests
Different tests can be used to isolate different types of issues. For component or noise isolation, you can run the diagnostic test after removing the covers. Removing the covers provides a better view of
the areas that are being tested. To operate the printer with the covers removed, the door switch levers must be depressed (this is the door-closed position).
WARNING! Be careful when performing printer diagnostics to avoid risk of injury. Only trained service personnel should open and run the diagnostics with the covers removed. Never touch any of the power supplies when the printer is turned on.
Disable cartridge check
Use this diagnostic test to print internal pages or send an external job to the product when one or more print cartridges or image drum pairs are removed or exchanged. The print cartridges and image drums are keyed. They must be removed in pairs and can only be used in the correct color slot. Consumable supply errors are ignored while the product is in this mode. When the product is in this mode, you can navigate the menus and print internal pages or send an external print job to the product. This test can be used isolate problems, such as noise, and to isolate print-quality problems that are related to individual print cartridges or image drum pairs.
Four diagnostic tests put the engine into a special state:
● Disable-cartridge check
● paper-path sensors
● Manual sensor test
● Manual sensor test 2
● Component test
While the printer is in the special diagnostics mode, the following message should appear:
READY DIAGNOSTICS MODE
TO EXIT PRESS STOP
When the printer is in the special diagnostics mode, these five tests display in the menu and are available to be run. To gain access into other diagnostic tests or to leave the special state, press Stop, and then
select EXIT. The printer will reset itself, and then return to the normal state.
NOTE: You need to have a good understanding of how the printer operates in order to use the engine diagnostics successfully. Before proceeding with these diagnostic tests, make sure that you understand
the information in chapter 5 of this manual.
Diagnostic tests
Different tests can be used to isolate different types of issues. For component or noise isolation, you can run the diagnostic test after removing the covers. Removing the covers provides a better view of
the areas that are being tested. To operate the printer with the covers removed, the door switch levers must be depressed (this is the door-closed position).
WARNING! Be careful when performing printer diagnostics to avoid risk of injury. Only trained service personnel should open and run the diagnostics with the covers removed. Never touch any of the power supplies when the printer is turned on.
Disable cartridge check
Use this diagnostic test to print internal pages or send an external job to the product when one or more print cartridges or image drum pairs are removed or exchanged. The print cartridges and image drums are keyed. They must be removed in pairs and can only be used in the correct color slot. Consumable supply errors are ignored while the product is in this mode. When the product is in this mode, you can navigate the menus and print internal pages or send an external print job to the product. This test can be used isolate problems, such as noise, and to isolate print-quality problems that are related to individual print cartridges or image drum pairs.
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NOTE: Do not remove or exchange print cartridges and image drums before you start the disable cartridge check diagnostic. After starting the test, you can remove or exchange print cartridges and image drum pairs.
1. Press Menu.
2. Press the down arrow to highlight DIAGNOSTICS, and then press the checkmark button .
3. Press the down arrow to highlight DISABLE CARTRIDGE CHECK, and then press the checkmark button .
To exit this diagnostic test, press Stop and then select EXIT DIAGNOSTICS.
Paper-path test
This diagnostic test generates one or more test pages that you can use to isolate the cause of jams.
To isolate a problem, you can specify which input tray to use, specify whether to use the duplex path, and specify the number of copies to print. Multiple copies can be printed to help isolate intermittent problems. The following options become available after you start the diagnostic feature:
● PRINT TEST PAGE. Run the paper-path test from the default settings: Tray 2, no duplex, and one copy. To specify other settings, scroll down the menu and select the setting, and then scroll back up and select PRINT TEST PAGE to start the test.
● SOURCE. Select Tray 1, Tray 2, or the optional trays.
● DUPLEX. Enable or disable 2-sided printing.
● COPIES. Set the numbers of copies to be printed; the choices are 1,10, 50, 100, or 500.
1. Press Menu.
2. Press the down arrow to highlight DIAGNOSTICS, and then press the checkmark button .
3. Press the down arrow to highlight PAPER PATH TEST, and then press the checkmark button
.4. Select the paper-path test options for the test you want to run.
Print/stop test
Use this diagnostic test to isolate the cause of problems such as image-formation defects and jams within the engine. During this test you can stop the paper anywhere along the product paper path. The test can be programmed to stop printing internal pages or an external print job when the paper reaches a certain position. The test can also be programmed to stop from 0 to 60,000 mS. If the timer is set to a value that is greater than the job-print time, you can recover the product in one of two ways.
● After the print job is completed press Stop to return to the DIAGNOSTICS menu before the timer times out.
● After the timer times out, press Stop. Activate the door switch to restart the engine and return it to a normal state.
When the timer trips, the control panel display shows the message PRINTING STOPPED To continue, press . Pressing Menu will print the previously selected job. If you do not want the previous job to print, press Stop first, and then press Menu.
NOTE: Do not attempt to perform a print/stop test while the product is calibrating, because you be required to power-cycle the product. If a jam message displays on the control panel during testing, activate the door switch.
1. Press Menu.
2. Press the down arrow to highlight DIAGNOSTICS, and then press the checkmark button .
3. Press the down arrow to highlight DISABLE CARTRIDGE CHECK, and then press the checkmark button .
To exit this diagnostic test, press Stop and then select EXIT DIAGNOSTICS.
Paper-path test
This diagnostic test generates one or more test pages that you can use to isolate the cause of jams.
To isolate a problem, you can specify which input tray to use, specify whether to use the duplex path, and specify the number of copies to print. Multiple copies can be printed to help isolate intermittent problems. The following options become available after you start the diagnostic feature:
● PRINT TEST PAGE. Run the paper-path test from the default settings: Tray 2, no duplex, and one copy. To specify other settings, scroll down the menu and select the setting, and then scroll back up and select PRINT TEST PAGE to start the test.
● SOURCE. Select Tray 1, Tray 2, or the optional trays.
● DUPLEX. Enable or disable 2-sided printing.
● COPIES. Set the numbers of copies to be printed; the choices are 1,10, 50, 100, or 500.
1. Press Menu.
2. Press the down arrow to highlight DIAGNOSTICS, and then press the checkmark button .
3. Press the down arrow to highlight PAPER PATH TEST, and then press the checkmark button
.4. Select the paper-path test options for the test you want to run.
Print/stop test
Use this diagnostic test to isolate the cause of problems such as image-formation defects and jams within the engine. During this test you can stop the paper anywhere along the product paper path. The test can be programmed to stop printing internal pages or an external print job when the paper reaches a certain position. The test can also be programmed to stop from 0 to 60,000 mS. If the timer is set to a value that is greater than the job-print time, you can recover the product in one of two ways.
● After the print job is completed press Stop to return to the DIAGNOSTICS menu before the timer times out.
● After the timer times out, press Stop. Activate the door switch to restart the engine and return it to a normal state.
When the timer trips, the control panel display shows the message PRINTING STOPPED To continue, press . Pressing Menu will print the previously selected job. If you do not want the previous job to print, press Stop first, and then press Menu.
NOTE: Do not attempt to perform a print/stop test while the product is calibrating, because you be required to power-cycle the product. If a jam message displays on the control panel during testing, activate the door switch.
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Color-band test
The color-band test page shows bands of colors that can indicate whether or not the product is producing colors correctly.
1. Press Menu.
2. Press the down arrow to highlight DIAGNOSTICS, and then press the checkmark button .
3. Press the down arrow to highlight COLOR BAND TEST, and then press the checkmark button.
4. Press the down arrow to highlight PRINT TEST PAGE, and then press the checkmark button
.
Product resets
Restore factory-set defaults
Hard disk initialization
A hard disk initialization will erase and reformat the product's hard disk. Perform hard disk initialization only if an error code displays on the control panel indicating a disk error. Always try initializing the hard disk before replacing it.
1. Turn the product on.
2. As the product performs its power-on sequence, press and hold the Menu button until all three lights on the control panel are lit.
3. Press the back arrow . The message INITIALIZE DISC displays on the control panel.
4. Press the down arrow . The product initializes the hard disk and continues its power-on sequence.
NVRAM initialization
CAUTION: Initializing NVRAM resets the serial number, the event log, the page counts, the calibration settings, and the EIO card. Use the SERVICE menu to restore the serial number and page counts. You also need to reconfigure any computers that print to this product to recognize the product. Initialize NVRAM only when absolutely necessary. In most situations, use a cold reset to reset product variables but still retain the needed values in the SERVICE menu.
Before initializing NVRAM, print a configuration page and a supplies status page to gather the following information:
● Total page count and color page count
● Serial number
1. Turn the product on and watch the control panel display.
2. When the display shows the memory count, press and hold the down arrow until all three lights
on the control panel are lit.
3. Press the up arrow .
4. Press Menu. The message SKIP DISK LOAD displays on the control panel.
5. Press the up arrow until NVRAM INIT is highlighted, and then press the checkmark button .
The product initializes NVRAM and then continues its power-on sequence.
The color-band test page shows bands of colors that can indicate whether or not the product is producing colors correctly.
1. Press Menu.
2. Press the down arrow to highlight DIAGNOSTICS, and then press the checkmark button .
3. Press the down arrow to highlight COLOR BAND TEST, and then press the checkmark button.
4. Press the down arrow to highlight PRINT TEST PAGE, and then press the checkmark button
.
Product resets
Restore factory-set defaults
Hard disk initialization
A hard disk initialization will erase and reformat the product's hard disk. Perform hard disk initialization only if an error code displays on the control panel indicating a disk error. Always try initializing the hard disk before replacing it.
1. Turn the product on.
2. As the product performs its power-on sequence, press and hold the Menu button until all three lights on the control panel are lit.
3. Press the back arrow . The message INITIALIZE DISC displays on the control panel.
4. Press the down arrow . The product initializes the hard disk and continues its power-on sequence.
NVRAM initialization
CAUTION: Initializing NVRAM resets the serial number, the event log, the page counts, the calibration settings, and the EIO card. Use the SERVICE menu to restore the serial number and page counts. You also need to reconfigure any computers that print to this product to recognize the product. Initialize NVRAM only when absolutely necessary. In most situations, use a cold reset to reset product variables but still retain the needed values in the SERVICE menu.
Before initializing NVRAM, print a configuration page and a supplies status page to gather the following information:
● Total page count and color page count
● Serial number
1. Turn the product on and watch the control panel display.
2. When the display shows the memory count, press and hold the down arrow until all three lights
on the control panel are lit.
3. Press the up arrow .
4. Press Menu. The message SKIP DISK LOAD displays on the control panel.
5. Press the up arrow until NVRAM INIT is highlighted, and then press the checkmark button .
The product initializes NVRAM and then continues its power-on sequence.
Hp Color Laserjet Cp6015 Printer
DIAGNOSTICS RESETS HP COLOR LASERJET CP6015 Engine diagnostics This section provides an overview of the engine diagnostics that are available in the HP Color LaserJet CP6015 Series product. The product contains extensive internal diagnostics that help in troubleshooting print quality, paper path, noise, component, and timing issues. LED diagnostics. Save on our amazing HP® Color LaserJet CP6015 Creative Printer with Free Shipping when you buy now online. Get our best deals when you shop direct with HP.
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