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3
Operating Overview
Contents
Using the Control Panel . Control Panel Layout . LED Lights . . . . . . The Front Panel Button Printing a Self-Test Page . Continuous Self Test . Printing an Engine Test . Resetting the Printer . . . To Reset the Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 3-3 3-4 3-6 3-7 3-9 3-10 3-11 3-11
Operating Overview 3-1
3-2 Operating Overview
Using the Control Panel
Control Panel Layout
The Control Panel consists of three status lights and a Front Panel Button located at the front of the printer. The Control Panel consists of one button and three status lights. ERROR (Yellow) DATA (Green) READY (Green)
+
These lights can be in only one of the following states:
OFF ON
+ Blinking
Installation and 3 Configuration
Operating Overview 3-3
LED Lights
The LED lights provide a quick way to check the printer's status.
Table 3-1
When this Indicator:
Indicator Lights (1 of 2)
Looks like this: On Blinking It means this: Ready Ready to print. Print job in progress. Let job finish printing. Do this:
On
Form Feed There is unprinted data in the buffer.
Briefly press the Front Panel Button to print the remaining data.
Blinking
Manual Feed The printer is in manual feed mode.
Make sure you have the correct paper in the Single Sheet Input Bin, and briefly press and release the Front Panel Button to print.
On
Error (light continuously on) Printer is out of paper. Printer's EP door is open. Toner cartridge is either missing or not installed correctly. There is paper jammed in the printer. Add paper. Close the door. Install a cartridge, being careful to position it correctly. Clear the jam and resume printing. If the Error light remains lit after checking for these problems, and there's no paper jam, disconnect the power for 10 seconds, then reconnect to the power source. If, after taking these actions, the light remains on, refer to Chapter 7, "Troubleshooting."
3-4 Operating Overview
Table 3-1
When this indicator:
Indicator Lights (Continued 2 of 2)
Looks like this: Blinking It means this: Error (light blinking) Page Too Complex Do this: Briefly press and release the Front Panel Button to continue printing. There may be some data loss on the page.
The page may be too complex for the printer's memory capacity Hint: To avoid this in the future: or the printer may not be able to create the image fast enough to 1. See your printer driver help for more suggestions regarding printer memory usage. keep pace with the engine printing process. 2. Reduce resolution to 300 dpi with your software. 3. Install additional printer memory. (See chapter 6 for information on installing additional memory.) All off Sleep Mode Either the printer is in SleepMode or the power source has been disabled. No action is necessary. When you press the Front Panel Button, send data to the printer, or open the printer door, the status light comes on.
All on
Hardware Error There is an internal problem that won't allow printing.
1. If you have added an additional memory card, try removing it. 2. Disconnect the power for 10 seconds, then reconnect it. 3. If all of the lights come on steadily again, try disconnecting the power for 15 minutes. If this error remains after completing the tasks above, see Chapter 7, "Troubleshooting."
Installation and 3 Configuration
All Blinking
Memory Error An incompatible For memory card specifications, see the memory card has been installed. HP LaserJet 5L User's Manual, appendix D, or the HP LaserJet 6L User's Manual, page 1-10. The memory card must be a 70 nsec or faster card.
Operating Overview 3-5
The Front Panel Button
Depending on what state the printer is in, pressing the Front Panel Button allows you to control printing tasks by either starting or resuming a printer function. Use the Front Panel Button to accomplish the following tasks:
Table 3-2
Function Wake Up Self Test Printer Reset
Front Panel Button Usage
Lights All lights are off while plugged into power source. Ready (bottom) light is on and the other lights are off. The Ready (bottom) Light will remain lit, if there are no printer errors. Action Briefly push and release the button. Briefly push and release the button. Press and hold the button until the three Front Panel Lights blink quickly in succession. Briefly push and release the button. Briefly push and release the button. Briefly push and release the button. Result The printer will wake up to a ready state. Prints a self-test page. The reset will return the printer to the factory default settings. This clears all data from memory, including any downloaded fonts and macros. Override manual feed to print from paper cassette. Allows the printer to recover and continue printing the job. The remaining data in printer memory will print.
Resume (from Manual Feed) Continue (from memory error) Form Feed
The Data (middle) Light blinks. Error (top) light blinks. The Data (middle) Light and the Ready (bottom) Light both remain on.
3-6 Operating Overview
Printing a Self-Test Page
A self-test page can be useful in troubleshooting printer problems and determining which fonts have been downloaded to the printer.
Figure 3-1
Installation and 3 Configuration
Self-test Page for HP LaserJet 5L
Operating Overview 3-7
Figure 3-2
Self-test Page for HP LaserJet 6L
The self-test page lists the current printer configuration. (If any fonts have been downloaded to the printer a second page will print.) To print a self-test page:
1 Make sure the Ready (bottom) Light is on, and all other lights are off. Wake up the
printer if necessary by pressing the Front Panel Button.
2 Briefly press and release the Front Panel Button. The Data (middle) Light comes
on, the Ready (bottom) Light blinks. Wait for a self-test page to print.
3-8 Operating Overview
Continuous Self Test
A continuous self test can be useful for troubleshooting paper path and other problems. To print a continuous self test:
1 Disconnect the printer from the power source. 2 Press and hold down the Front Panel Button while connecting power. 3 Continue holding the button for about five seconds.
All lights will illuminate at once, then each will light in sequence.
4 Release the button. The printer conducts its internal diagnostics routine, then prints
the self-test page continuously until stopped. 5 To stop the continuous self test (and reset the printer), press and hold the Front Panel Button for a few seconds until all lights begin lighting in sequence once again.
Note
The self test does not print at the printer's rated speed of four pages per minute (HP LaserJet 5L) or six pages per minute (HP LaserJet 6L). The engine test prints at the printer's rated speed.
Installation and 3 Configuration
Operating Overview 3-9
Printing an Engine Test
The engine test print can be used to verify that the print engine is functioning correctly. The Formatter PCA is completely bypassed during an engine test. Consequently, this test is useful for isolating engine printer problems. The engine test prints a full page of vertical lines down the entire printable area. This page is useful for checking and adjusting registration.
Note
Perform the engine test with the printer covers in place, as shown in Figure 3-6. Refer to "Engine Test" in Chapter 7 for the engine test procedure.
Figure 3-3
Engine Test Button
3-10 Operating Overview
Resetting the Printer
Resetting the printer accomplishes the following:
· Clears all data from the printer's memory (including unprinted data, downloaded · Stops any printing that is taking place and ejects the page. · Removes some error conditions. · Resets the printer to its factory default settings.
fonts, and macros).
To Reset the Printer
Press and hold the Front Panel Button until the three control panel lights blink quickly in succession (about 5 seconds), then let go of the button. After resetting, the Ready (bottom) Light will remain lit if there are no printer errors. (Make sure there is paper in the printer or the error light will remain on.)
Installation and 3 Configuration
Operating Overview 3-11
3-12 Operating Overview