Инструкции По Обслуживанию для HP color laserjet 2550 series
Do engine tests and information pages print?
Print an engine test (see Functional checks). The engine test should print without paper-feed
problems or print-quality problems. Also print a Demo page or a configuration page (see
Troubleshooting tools).
problems or print-quality problems. Also print a Demo page or a configuration page (see
Troubleshooting tools).
Cause
Solution
The engine test is not successful.
Turn off the printer, turn on the printer, and
perform another engine test.
perform another engine test.
●
The engine test produces a blank page.
Make sure that the carousel is seated correctly.
Replace the low-voltage power supply.
●
The engine test does not produce any pages. Replace the dc controller.
An error-indicator light message appears on the
control panel.
control panel.
Consult the lists of control panel light messages
to identify and correct the error. See
to identify and correct the error. See
.
Printer Status and Alerts software generates an
error message.
error message.
Poor print quality.
Is the software installed correctly?
Cause
Solution
Software is not installed or an error occurred
during software installation.
during software installation.
Uninstall and then reinstall the printer software.
Make sure that you use the correct installation
procedure and the correct port setting.
Make sure that you use the correct installation
procedure and the correct port setting.
Does the printer print from the computer?
Connect the parallel cable or USB cable to the printer and to the computer. Use a word-
processing application to send a print job to the printer.
processing application to send a print job to the printer.
Cause
Solution
The cable is not connected correctly.
Reconnect the cable.
The cable is not within specifications.
Make sure that the the parallel cable is
IEEE-1284B-compliant or that the USB cable is
USB 2.0 full speed. Also make sure that the
length of cables is less than 3 meters
(118 inches).
IEEE-1284B-compliant or that the USB cable is
USB 2.0 full speed. Also make sure that the
length of cables is less than 3 meters
(118 inches).
An incorrect printer driver is selected.
Reset the printer driver. (Check for the correct
port setting.)
port setting.)
Other devices are connected to the parallel port.
Disconnect the other devices and try to print
again. Also, try connecting directly to the
computer or through a powered USB hub.
again. Also, try connecting directly to the
computer or through a powered USB hub.
Table 6-1. Basic troubleshooting (continued)
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Chapter 6 Troubleshooting
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