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  • Information
    Information regarding recent vulnerabilities

    HP is aware of the recent vulnerabilities commonly referred to as "Spectre" and "Meltdown". HP has published a security bulletin with patches for these issues and a list of impacted systems. We will continue to update the bulletin as more information becomes available and encourage customers to check the bulletin frequently.

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Blinking Lights on the HP Deskjet F735 All-in-One Printer

Introduction
The product uses various combinations of flashing lights to indicate its current status.
Blinking lights
Use the following information to interpret and respond to blinking lights on the product.
On light
Resume light
Check Ink Cartridge lights
Paper Selection lights
Off
Off
Off
Off
Issue
All the lights on the product control panel are off.
Figure : All lights off
Solution
Press the On button () to turn on the product.
Cause
The product is off.
On light
Resume light
Check Ink Cartridge lights
Paper Selection lights
On
Off
Off
On
Issue
The On and one Paper Selection light are one. All other control panel lights are off.
Figure : The On light and one of the Paper Selection lights are on
Solution
No action is required.
Cause
The product is ready for printing, scanning, or copying.
On light
Resume light
Check Ink Cartridge lights
Paper Selection lights
Blinking
Off
Off
Off
Issue
The On light is blinking, but all other product control panel lights are off.
Figure : The On light blinking
Solution one
No action is required.
Cause
The product is busy printing, scanning, copying, or aligning the ink cartridges.
Solution two
No action is required.
Cause
A button was pressed while the product was already busy printing, scanning, copying, or aligning the ink cartridges.
Solution three
  1. Turn off the product.
  2. Disconnect the power cord from the electrical outlet.
  3. After a minute, connect the power cord to the electrical outlet.
  4. Turn on the product.
Cause
The Scan button () was pressed and there was no response from the computer.
On light
Resume light
Check Ink Cartridge lights
Paper Selection lights
On
Blinking
Off
Off
Issue
The On light is on. The Resume light is blinking. All other product control panel lights are off.
Figure : The Resume light blinking
Solution one
Load paper into the product and press the Resume button ().
Cause
The product is out of paper.
Solution two
  1. Remove all loose paper from the paper tray.
  2. Check to make sure no scraps of paper are stuck in the product.
  3. Press the Resume button ().
Cause
The product has a paper jam.
Solution three
Load paper that matches the paper size setting.
Cause
The paper size setting in the copy software does not match the paper size detected in the paper tray.
On light
Resume light
Check Ink Cartridge lights
Paper Selection lights
On
Off
Blinking
Off
Issue
The On light is on. One or both of the Check Ink Cartridge lights flashes, while all other control panel lights are off.
Figure : Check Ink Cartridge light is blinking
Solution one
Make sure that the ink cartridge door has been completely closed.
Cause
The ink cartridge door is open.
Solution two
Insert the ink cartridge by sliding it forward into the slot correctly.
Cause
A ink cartridge is missing or not seated correctly.
Solution three
Make sure the plastic tape has been removed before inserting the ink cartridge in the slot.
Cause
The tape was not removed from the ink cartridge.
Solution four
Use a ink cartridge that is compatible with the product.
Cause
The ink cartridge is not intended for use in this product.
Solution five
Replace the ink cartridge.
  note:
The product might be packaged with only a tri-color ink cartridge.
Cause
The ink cartridge might be defective.
On light
Resume light
Check Ink Cartridge lights
Paper Selection lights
Blinking
Blinking
Blinking
Off
Issue
The On, Resume, and Check Ink Cartridge lights are blinking. The Paper Selection lights are all off.
Figure : On, Resume, and Check Ink Cartridge lights blinking
Solution
Turn off the product, and then turn it back on. If the problem persists, service the product.
Cause
There is a scanner failure.
On light
Resume light
Check Ink Cartridge lights
Paper Selection lights
Blinking
Blinking
Blinking
Blinking
Issue
All the product control panel lights are blinking.
Figure : All lights are blinking
Solution
  1. Turn off the product.
  2. Disconnect the power cord from the electrical outlet.
  3. After a minute, connect the power cord to the electrical outlet.
  4. Turn on the product.
If the problem persists, service the product.
Cause
The product has a fatal error.

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