LASER, INKJET, DMP PRINTER TROUBLESHOOTING

Laser, Inkjet, DMP Printer Troubleshooting

HP's Inkjets printers do not work when the top cover is open, there is a switch on / off through the top cover, only when it is closed, the switch inside the printer is turned on and Cartridge is Pork in its Parking Place.  This switch and paper sensor are connected to a small circuit, this circuit is located just below the top cover, due to its settings, the printer stops working and the cartridge is not parked. 

The specialty of HP DeskJet’s is its cartridge parking, under this, when the top cover is opened, the cartridge unit comes in the middle and halts, so we can remove or replace the cartridge.  When the Top Cover is closed, the Cartridge unit itself goes to its parking place, not doing so means an error in the Printer like Cartridge malfunction, Cartridge not working properly, Cartridge circuit not having proper cable connection.  To be, Paper sensor circuit on Misaligned etc. 

The Paper Feed LED blinks when the Top cover is open or this LED blinks even if the cartridge is damaged, or absent, or the cartridge is not sensed, the paper is out. 


Some common errors encountered in HP DeskJet:

·         Paper out message is received while the printer is feeding paper.  Paper feed LED is blinking. 

·         Check the printer's paper sensor circuit There is a plastic lever between the paper sensors that is attached to the printer's Roller Cover.  This is a complete Alignment Miss, Align it.

·         After giving printout, leaving a lot of space in the top of the paper, printout is being receive, due to which the matter is getting incomplete.

·         Fix the alignment of the Paper Sensor circuit. 

Printer on is not working.

·         Check the power adapter, the power switch or power socket may be bad and loose. 

·         Check the flexible cable connected to the Power On / Off Switch to be properly connected in the electronics of the Printer.

Printer is Directed ION / Off Switch is not working Power give Printer is going on to Off  There is a need to turn off the Main Switch for this. 

·         In such a situation, there is a loose connection of the wire from the on-off switch of the printer to the electronics. Check it.

Both Cartridge are engaged but Cartridge is not getting parked even when the top cover is closed.  Paper feed LED is blinking. 

· Verify that the cartridge is fitted properly.

·  Cartridge Circuit may be short Check by inserting another Cartridge. 

· A switch in the paper sensor circuit should be turned on by closing the top cover.  Check whether it is turning on or not.  This problem can come even if the printer's cabinet is not installed properly. 

· Due to the drying of ink on the track of the circuit in the cartridge, the connection between the cartridge and the printer cannot be made, clean the track of the cartridge. 

·  Align the Paper Sensor circuit. 

The printer makes a lot of noise while printing and the print head unit sometimes gets stuck on the side of the edge.

·  Printer needs servicing. 

· There is a strip type sensor in the paper for the movement of the print head unit, clean it or replace it if it is damaged.

·  If it is damaged, the movement of the print head unit will be disturbed and there will be more noise and the problem of getting stuck.  Check for something loose or bad in the

·  check for any looseness or damage to the mechanism.

Paper is getting stuck or Paper is getting crooked feed.

·  Servicing the Printer Mechanism. 

·  Check for something stuck in the mechanism or the roller. 

· There is a possibility of getting stuck in the Roller even when the paper is bent. 

· Use the clip in the Paper Tray to keep the paper in a straight line. 

On giving Printer Print Command, the paper is feeding but the head is not moving but a sound is coming intermittently. 

·         Printer is getting less volt than CVT or UPS.  Check 220voft AC I/p. 

·         Check out the Printer Adapter.  

Printout is correct but the characters and lines are sloppy. 

·         The driver software of the printer has the facility of Head Alignment, align the head by this.

·         Printout in Econo fast or Draft mode gets some crooked. 

ASCII Character is getting printed.

·         Check that the Printer Cable is properly engaged. 

·         Install the correct driver software. 

·         Another printer model has been selected while giving the print command.

·         The Printer Driver of the wrong model has been installed.

In Landscape, any graphics or picture is coming or the system gets halted.  Unable to print.  Printing related error is coming or the system gets halted.

·  Printer's Buffer Memory is low, in this error, only large graphics can be printed to some extent by Landscape. 

· The system gets halted when the print command is given to the file of more pages.

· Printer's Buffer memory is low.  To print large files, select less pages by not giving more pages at a time.  And print the file in two or three times.

·         Draft or Eco fast, Normal, and Best three print modes are available in HP's Deskjets.  Set them as per your requirement and print them.  Otherwise, printing will be slow and a lot of ink will be used.  According to this mode, select the paper like Plain Paper, HP Inkjet etc.

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