HP LaserJet 1010 Service Manual - Page 94

Basic troubleshooting, Table 6-1. Basic troubleshooting

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Basic troubleshooting Table 6-1. Basic troubleshooting Issue Did the printer turn on? Cause No power due to failed power source, cable, or switch. Solution 1. Verify that the product is plugged in. 2. Verify that the power cable is functional and that the power switch is on. 3. If all of these conditions are correct, replace the engine power assembly. Printer motor does not rotate. Is the product ready? The motor rotates, but the lights are not on. Formatter is damaged or has a loose connection. 1. Verify that the print cartridge access door is closed. 2. Verify that the print path is clear. If clear, verify that the print path paper sensor arms are free of debris and functional. 3. Verify that the cable from the ECU to the motor is connected. 4. If all of these conditions are correct, replace the ECU. 5. If, after replacing the ECU, the printer motor still does not rotate, replace the engine power assembly. 6. If, after replacing the ECU and engine power assembly, the printer motor still does not rotate, replace the printer. Verify that the formatter cables are properly connected. If all cables are undamaged and seated correctly but the problem persists, replace the printer. Does the demo page print? Print a demo page by pressing the Go button when the printer is idle. Hold down the Go button for more than 5 seconds to print a configuration page. Media does not move smoothly through the paper path. Poor print quality. If the media is consistently jamming and the paper path is clear, replace either the paper pickup assembly or the fuser, depending on where it is jamming. See Image troubleshooting 82 Chapter 6 Troubleshooting ENWW

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Basic troubleshooting
Table 6-1. Basic troubleshooting
Issue
Cause
Solution
Did the printer turn on?
No power due to failed power
source, cable, or switch.
1.
Verify that the product is
plugged in.
2.
Verify that the power cable
is functional and that the
power switch is on.
3.
If all of these conditions are
correct, replace the engine
power assembly.
Printer motor does not rotate.
1.
Verify that the print
cartridge access door is
closed.
2.
Verify that the print path is
clear. If clear, verify that the
print path paper sensor
arms are free of debris and
functional.
3.
Verify that the cable from
the ECU to the motor is
connected.
4.
If all of these conditions are
correct, replace the ECU.
5.
If, after replacing the ECU,
the printer motor still does
not rotate, replace the
engine power assembly.
6.
If, after replacing the ECU
and engine power
assembly, the printer motor
still does not rotate, replace
the printer.
Is the product ready?
The motor rotates, but the lights
are not on.
Formatter is damaged or has a
loose connection.
Verify that the formatter cables
are properly connected. If all
cables are undamaged and
seated correctly but the problem
persists, replace the printer.
Does the demo page print?
Print a demo page by pressing
the Go button when the printer
is idle. Hold down the Go button
for more than 5 seconds to print
a configuration page.
Media does not move smoothly
through the paper path.
If the media is consistently
jamming and the paper path is
clear, replace either the paper
pickup assembly or the fuser,
depending on where it is
jamming.
Poor print quality.
See
Image
troubleshooting
82
Chapter 6 Troubleshooting
ENWW