HP LaserJet 4345

How to Identify and Fix Common Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced technical support :

The LaserJet M4345 MFP or 4345 MFP is unable to copy or scan because either the message “Initializing Scanner” is displayed or the LED below the START button is illuminated amber. Normal printing may work just fine. These errors indicate that data from the scanner`s Optical Unit is not being sent to the Formatter PCA.
From the Home screen on the printer control panel, scroll to select the Administration menu, and then select the Scan/Digital Send Settings. Select a scan category and then select the Default Job Options to configure the settings. Select the Output Quality setting, and then select an option.
Normally a 30.01 error is a paper jam in the document feeder. Id check the ADF sensors and look for anything that could be causing a false alarm by the printer. and here: /t5/Multifunction-and-All-in-One/HP-CLJ-CM4730-MFP-30-01-34-scanner-failure/td-p/5963917#.
From the Home screen on the printer control panel, scroll to and select the Administration button. Open the Scan/Digital Send Settings menu. Select the category of scan and send settings that you want to configure.
From the Home screen, touch the Copy button. Touch the Black or Color button to start copying.
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Scan initialization issues are typically caused by credential problems or connectivity issues to the remote scanner. Scanners that fail to initialize display detailed error messages in the hover text of a scheduled scan with a status of failed.
Disconnect the USB cable from the rear of the printer. If your printer has a network or wireless connection, leave it connected. Remove the ink cartridges from the printer. With the printer turned on, disconnect the power cord from the rear of the printer and from the wall outlet or power strip.
If you encounter your HP Printer stuck on initializing, perform a hard reset, bypass the initializing phase, and power drain the printer motherboard. If the issue persists, cold reset the printer to restore factory default settings and update the firmware.
Disconnect the USB cable from the rear of the printer. If your printer has a network or wireless connection, leave it connected. Remove the ink cartridges from the printer. With the printer turned on, disconnect the power cord from the rear of the printer and from the wall outlet or power strip.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

laser scanner assembly removal
ANSWER : You have to remove the cover on the right side of the printer. Then take the back panel off. Then remove the screws holding the top cover on, disconnect the arm on the right side of the top cover and then lift it off. The scanner assy. is on top, held in by 4 screws. and a couple of connectors.

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HP LaserJet 4345

LIGHT LINES ON PRINTED COPIES
ANSWER : You give us so little info to go on. Vertical lines, horizontal lines? On copies, on prints, on both?

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HP LaserJet 4345

HP PSC 1510 copying problems
ANSWER : my hp photocopy is not working

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HP LaserJet 4345

All panel lights blinking, printer doesnt respond
ANSWER : This is very easy process, you must change a new one

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HP LaserJet 4345

flashing printer lights
ANSWER : The contacts between the cartridges and the printer may need cleaning; the cartridges may be low but not out; or there could be a job stuck in the print que.

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HP LaserJet 4345

Flashing Lights & no display
ANSWER : Since it’s kind of old and there aren’t any parts available, you should probably go looking at replacement models. Saw a similar model (Canon) at Walmart’s this week that was wireless for $49.

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HP LaserJet 4345

LCD Screen and Digitizer Assembly Replacement for Samsung Galaxy Note 5
ANSWER : Please do respond me, I need LCD Screen for my Samsung Galaxy Note 5 Gold

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HP LaserJet 4345

canon mx320 copies have blk line down the right side of copies
ANSWER : If you are using the ADF feeder to make copies, then check the small glass on the left side. If there is any dirt or whiteout on the glass, it will result in a line down that spot. You can confirm it by looking at the copy that has the line. If it is dirt on the glass, the line won’t go all the way from top to bottom. There will be a margin on each end.

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HP LaserJet 4345