How to Replace the Battery of a Digital Refrigerator Thermometer – an Illustrated Tutorial in 8 Steps

When you have placed a digital thermometer inside your refrigerator to monitor the temperature, you might notice that after many months of use, the LCD screen stops working. Fortunately, fixing this is usually easy, as this is often due to an empty battery. You just have to replace the empty battery and this does not require special skills. The only things you need is a small precision screwdriver and a new coin cell battery. Just follow the steps below.
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The thermometer we used for this manual is available on Amazon under the brand names AOUCE (sponsored) and Unigear (sponsored).

Necessities

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Replacing the battery

1. localize the 4 little Philips screws at the edges of the backside of the device.
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2. Remove the 4 screws one by one by turning the screwdriver counterclockwise. Set the little screws apart and make sure you won’t loose them by putting them in an egg cup or something.
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3. Gently remove the backside of the device by lifting it in an upward direction.
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4. Use your finger nail to push the little metal tab at the right side of the battery compartment a little to the right. By doing this, the coin cell battery unlocks and can be removed from the battery compartment, using an other finger.
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5. Take a new CR2032 battery from it’s packaging. The + plus side is on top. Now push the coin cell battery gently in the empty battery compartment until it clicks into place.
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6. Replace the back cover of the device.
! Important: do this gently and make sure the little sensor on the circuit board exactly fits into the metal sensor-cover on the outside of the back cover. If you don’t do this gently and precisely, the sensor might bend or break.
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7. Replace the 4 screws one by one into the back by turning the screwdriver clockwise.
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8. Now the LCD display should start to work again. This might take a while. If necessary, push the power button.
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Your digital refrigerator thermometer is ready for use again!

How to Replace an Empty Ink Cartridge in the HP ENVY Inspire 7955e All-in-One Printer – an Illustrated Tutorial in 11 Steps

Make sure you purchase the right ink cartridges for your specific printer and printer region or have your old ones refilled. Cartridges are not compatible between different brands, and often not within the same brand. HP often designs its inkjet hardware to use country-specific consumables. When you unbox a new HP inkjet printer and set it up, you install a set of ink tanks that ship with the printer. As you turn on the device and get ready to use it, an initialization sequence localizes it to the country associated with the ink cartridges you installed. HP recommends that you use original HP ink cartridges.

XL (Extra Large) cartridges cost more but do provide better value in the long run. They will be able to print 3 times as many pages as a regular cartridge. Our advice is that if you print often, go with XL. However, ink can dry up. So if you are not a frequent printer, go with the regular cartridges.

You can check the estimated ink levels from the printer control panel, from the printer software or from the HP Smart app.
A. To check the estimated ink levels from the printer control panel:
– From the printer control panel, touch or swipe down the tab at the top of the screen to open the Dashboard
– Touch the Ink symbol to check the estimated ink levels.
hp envy inspire 7955e how to replace the ink cartridges 01

B. To check the ink levels from the printer software (Windows):
– Open the HP printer software.
– In the printer software, click Estimated Levels at the top of the window.
hp envy inspire 7955e how to replace the ink cartridges 02

C. To check the ink levels from the HP Smart app:
Just view the estimated ink levels from the home screen.
hp envy inspire 7955e how to replace the ink cartridges 03

Ink level warnings and indicators provide estimates for planning purposes only. When you receive a low-ink warning message, consider having a replacement cartridge available to avoid possible printing delays. You do not have to replace the cartridges until the print quality is unacceptable.

Use the single-cartridge mode to operate the HP ENVY Inspire 7955e All-in-One printer with only one cartridge. The single-cartridge mode is initiated when an cartridge is removed from the cartridge carriage.


Which ink cartridges do I need for my HP ENVY Inspire 7955e All-in-One series Printer?

For your US HP ENVY Inspire 7955e All-in-One Printer you need HP 64 Black AND HP 64 Tri-color cartridges (or the HP 64 XL versions). There are also combo packs available, like the HP 64 Black and Tri-Color Original Ink Cartridges, 2 Cartridges.
For your European or UK HP ENVY Inspire 7955e All-in-One Printer you need HP 303 Black AND HP 303 Tri-color cartridges (or the HP 303 XL versions). There are also combo packs available, like the HP Z4B62EE 303 Photo Value Pack, Black and Tri-colour, Pack of 2.

sponsored
Try Amazon's ink selector tool to find compatible ink cartridges for your printer.

Replace the ink cartridges

1. Press the Power button to turn on the printer, if it is not already turned on.
hp envy inspire 7955e how to replace the ink cartridges 04

2. Load unused plain white Letter or A4-sized paper into the main paper tray.
hp envy inspire 7955e how to replace the ink cartridges 05

Remove the empty cartridge
3. Open the front door as shown below.
hp envy inspire 7955e how to replace the ink cartridges 06

4. Open the cartridge access door by placing a thumb or two fingers under the small handle on the front of the cartridge access door and then lifting it up. Wait until the print cartridge cradle is idle and silent before you continue.
hp envy inspire 7955e how to replace the ink cartridges 07

hp envy inspire 7955e how to replace the ink cartridges 08

5. Lightly press down on the cartridge to release it, and then pull the cartridge toward you out of its slot. Set it aside for recycling.
– Remove the cartridge from the slot on the left to replace the tri-color cartridge.
– Remove the cartridge from the slot on the right to replace the black cartridge.
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Insert the new cartridge
6. Remove the new cartridge from its package. Be careful to only touch the black plastic on the ink cartridge by holding the ink cartridge by its sides.
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7. Pull the colored tab to remove the protective tape from the cartridge.
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Do NOT:
– Remove the copper electrical strip.
– Touch the copper-colored contacts or the ink nozzles.
– Replace the protective tape on the contacts.
do not touch contacts

8. Hold the cartridge by its sides with the nozzles toward the printer, and then insert the cartridge into its slot at a slight upward angle. Make sure that the icon on the cartridge matches the icon on the slot.
– Insert the tri-color cartridge into the left slot.
– Insert the black cartridge into the right slot.
hp envy inspire 7955e how to replace the ink cartridges 13

hp envy inspire 7955e how to replace the ink cartridges 14

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9. Repeat steps 5 through 8 to replace the other cartridge, if necessary.

10. Close the cartridge access door. The printer starts an initialization process. It is normal for the printer to make noises during this process.
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11. Close the front door.
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Align the printhead only if necessary.
Clean the printhead if your printed output is streaked or has any incorrect or missing colors.

The printer automatically aligns the printhead during the initial setup. The printhead does not have to be realigned when cartridges are replaced. However, you might want to use this feature for print quality issues in printouts when the printer status page shows streaking or white lines through any of the blocks of color, or if you are having print quality issues with your printouts. Performing the cleaning and aligning procedures unnecessarily can waste ink and shorten the life of the cartridges.

From the printer control panel:
– Touch or swipe down the tab at the top of the screen to open the
Dashboard

– Touch Setup
– Touch Printer Maintenance
Select the desired option
– Follow the onscreen instructions

How to Replace an Empty Ink Cartridge in the HP Deskjet F2110 All-in-One Printer – an Illustrated Tutorial in 10 Steps

Make sure you purchase the right ink cartridges for your specific printer and printer region or have your old ones refilled. Cartridges are not compatible between different brands, and often not within the same brand. HP often designs its inkjet hardware to use country-specific consumables. When you unbox a new HP inkjet printer and set it up, you install a set of ink tanks that ship with the printer. As you turn on the device and get ready to use it, an initialization sequence localizes it to the country associated with the ink cartridges you installed. HP recommends that you use original HP ink cartridges. XL (Extra Large) cartridges cost more but do provide better value in the long run. They will be able to print at least double the pages of a regular cartridge. Our advice is that if you print often, go with XL. However, ink can dry up. So if you are not a frequent printer, go with the regular cartridges.

You can check the ink levels by using the HP Photosmart Software:
– In the HP Solution Center, click Settings, point to Print Settings, and then click Printer Toolbox.
You can also open the Printer Toolbox from the Print Properties dialog box, click the Services tab, and then click Service this device.
– Click the Estimated Ink Level tab.
The estimated ink levels for the print cartridges appear.

The Check Print Cartridge light on the Control panel indicates the need to reinsert the print cartridge, replace the print cartridge because something is wrong, or close the print cartridge door.
hp deskjet f2110 how to replace the ink cartridges 01

Ink level warnings and indicators provide estimates for planning purposes only. When you receive a low-ink warning message, consider having a replacement cartridge available to avoid possible printing delays. You do not have to replace the cartridges until the print quality is unacceptable.

You’ll usually install both the black and tri-color cartridges in the Deskjet, but you can use the ink-backup mode to operate the HP Deskjet with only one print cartridge. The ink-backup mode is initiated when a print cartridge is removed from the print cartridge carriage. This printing mode lets you print with a single print cartridge, but it slows the product and affects the quality of printouts. During ink-backup mode, the product can only print jobs from the computer. You cannot initiate a print job from the control panel (such as copying or scanning an original).


Which ink cartridges do I need for my HP Deskjet F2110 All-in-One Printer?

For your US, European and UK HP Deskjet F2110 All-in-One Printer you need HP 21 Black AND HP 22 Tri-color cartridges OR HP 21XL Black AND HP 22XL Tri-color cartridges.
There are also 2-Packs available, like the HP 21 Black and 22 Tri-color Original Ink Cartridges, 2 pack.

Quality color photos: For more vibrant colors when printing color photographs or other special documents, remove the black print cartridge and install an HP 58 Photo Ink Cartridge.

sponsored
Try Amazon's ink selector tool to find compatible ink cartridges for your printer.

Replace the ink cartridges

1. Turn the printer on by pressing the On/Off button (power button), if it is not already turned on. It can take a few seconds for the printer to turn on after you press the Power button. Wait until the product is idle and silent before continuing.
hp deskjet f2110 how to replace the ink cartridges 02

hp deskjet f2110 how to replace the ink cartridges 03

2. Load unused, plain white letter or A4-sized paper in the paper tray, if you have not already done so.
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Remove the empty cartridge
3. Open the print cartridge door. The carriage moves to the center of the printer. If the carriage does not move to the center, turn off the printer, and then turn it on again. Wait until the carriage is idle and silent before proceeding.
hp deskjet f2110 how to replace the ink cartridges 05

4. Press down on the empty cartridge to release it, and then pull it toward you out its slot. Remove the cartridge from the slot on the left (1) to replace the tri-color cartridge. Remove the cartridge from the slot on the right (2) to replace the black cartridge OR photo print cartridges.

If the black print cartridge is being removed in order to install the photo print cartridge, store the black print cartridge in the print cartridge protector or an airtight plastic container.
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Insert the new cartridge
5. Remove the new cartridge from its packaging. Be careful to only touch the black plastic on the ink cartridge by holding the ink cartridge by its sides.
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hp deskjet f2110 how to replace the ink cartridges 08

6. Gently remove the plastic tape on the cartridge by pulling the colored pull tab.
hp deskjet f2110 how to replace the ink cartridges 09



Do NOT:
– Remove the copper electrical strip.
– Touch the copper-colored contacts or the ink nozzles.
– Replace the protective tape on the contacts.
do not touch contacts

7. Hold the new cartridge by its sides, so that the copper strip is on the bottom and facing toward the printer. The HP label is on top.
hp deskjet f2110 how to replace the ink cartridges 10

8. Slide the print cartridge firmly into the cradle at a slight upward angle until you feel resistance. The push on the upper part of the print cartridge forward until it snaps into place. If you are installing the tri-color print cartridge, slide it into the left slot. If you are installing the black OR photo print cartridge, slide it into the right slot.
hp deskjet f2110 how to replace the ink cartridges 11

hp deskjet f2110 how to replace the ink cartridges 12

hp deskjet f2110 how to replace the ink cartridges 13

9. Repeat step 4 trough 8 to replace the other cartridge, if needed.

10. Close the print cartridge door. The product prints an alignment page.
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Align the new cartridge
Print cartridge alignment ensures better print quality.
– After the print cartridge alignment sheet prints, load it on the left front corner of the glass with the top of the page to the left.
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Press the Scan button. The HP All-in-One aligns the print cartridges. Recycle or discard the print cartridge alignment sheet.
hp deskjet f2110 how to replace the ink cartridges 17

How to Replace an Empty Ink Cartridge in the HP ENVY Inspire 7958e All-in-One Printer – an Illustrated Tutorial in 11 Steps

Make sure you purchase the right ink cartridges for your specific printer and printer region or have your old ones refilled. Cartridges are not compatible between different brands, and often not within the same brand. HP often designs its inkjet hardware to use country-specific consumables. When you unbox a new HP inkjet printer and set it up, you install a set of ink tanks that ship with the printer. As you turn on the device and get ready to use it, an initialization sequence localizes it to the country associated with the ink cartridges you installed. HP recommends that you use original HP ink cartridges.

XL (Extra Large) cartridges cost more but do provide better value in the long run. They will be able to print 3 times as many pages as a regular cartridge. Our advice is that if you print often, go with XL. However, ink can dry up. So if you are not a frequent printer, go with the regular cartridges.

You can check the estimated ink levels from the HP Smart app, from the printer software or from the printer control panel:
A. To check the estimated ink levels from the printer control panel.
– From the printer control panel, touch or swipe down the tab at the top of the screen to open the Dashboard
– Touch the Ink symbol to check the estimated ink levels.
hp envy inspire 7958e how to replace the ink cartridges 01

B. To check the ink levels from the printer software (Windows):
– Open the HP printer software.
– In the printer software, click Estimated Levels at the top of the window.
hp envy inspire 7958e how to replace the ink cartridges 02

Ink level warnings and indicators provide estimates for planning purposes only. When you receive a low-ink warning message, consider having a replacement cartridge available to avoid possible printing delays. You do not have to replace the cartridges until the print quality is unacceptable.

Use the single-cartridge mode to operate the HP ENVY Inspire 7958e All-in-One printer with only one cartridge. The single-cartridge mode is initiated when an cartridge is removed from the cartridge carriage.


Which ink cartridges do I need for my HP ENVY Inspire 7958e All-in-One series Printer?

For your US HP ENVY Inspire 7958e All-in-One Printer you need HP 64 Black AND HP 64 Tri-color cartridges (or the HP 64 XL versions). There are also combo packs available, like the HP 64 Black and Tri-Color Original Ink Cartridges, 2 Cartridges.
For your European or UK HP ENVY Inspire 7958e All-in-One Printer you need HP 303 Black AND HP 303 Tri-color cartridges (or the HP 303 XL versions). There are also combo packs available, like the HP Z4B62EE 303 Photo Value Pack, Black and Tri-colour, Pack of 2.

sponsored
Try Amazon's ink selector tool to find compatible ink cartridges for your printer.

Replace the ink cartridges

1. Press the Power button to turn on the printer, if it is not already turned on.
hp envy inspire 7958e how to replace the ink cartridges 03

2. Load unused plain white Letter or A4-sized paper into the main paper tray.
hp envy inspire 7958e how to replace the ink cartridges 04

Remove the empty cartridge
3. Open the front door as shown below.
hp envy inspire 7958e how to replace the ink cartridges 05

4. Open the cartridge access door by placing a thumb or two fingers under the small handle on the front of the cartridge access door and then lifting it up. Wait until the print cartridge cradle is idle and silent before you continue.
hp envy inspire 7958e how to replace the ink cartridges 06

hp envy inspire 7958e how to replace the ink cartridges 07

5. Lightly press down on the cartridge to release it, and then pull the cartridge toward you out of its slot. Set it aside for recycling.
– Remove the cartridge from the slot on the left to replace the tri-color cartridge.
– Remove the cartridge from the slot on the right to replace the black cartridge.
hp envy inspire 7958e how to replace the ink cartridges 08

Insert the new cartridge
6. Remove the new cartridge from its package. Be careful to only touch the black plastic on the ink cartridge by holding the ink cartridge by its sides.
hp envy inspire 7958e how to replace the ink cartridges 09

hp envy inspire 7958e how to replace the ink cartridges 10

7. Pull the colored tab to remove the protective tape from the cartridge.
hp envy inspire 7958e how to replace the ink cartridges 11



Do NOT:
– Remove the copper electrical strip.
– Touch the copper-colored contacts or the ink nozzles.
– Replace the protective tape on the contacts.
do not touch contacts

8. Hold the cartridge by its sides with the nozzles toward the printer, and then insert the cartridge into its slot at a slight upward angle. Make sure that the icon on the cartridge matches the icon on the slot.
– Insert the tri-color cartridge into the left slot.
– Insert the black cartridge into the right slot.
hp envy inspire 7958e how to replace the ink cartridges 12

hp envy inspire 7958e how to replace the ink cartridges 13

hp envy inspire 7958e how to replace the ink cartridges 14

9. Repeat steps 5 through 8 to replace the other cartridge, if necessary.

10. Close the cartridge access door. The printer starts an initialization process. It is normal for the printer to make noises during this process.
hp envy inspire 7958e how to replace the ink cartridges 15

11. Close the front door.
hp envy inspire 7958e how to replace the ink cartridges 16

Align the printhead only if necessary.
Clean the printhead if your printed output is streaked or has any incorrect or missing colors.

The printer automatically aligns the printhead during the initial setup. The printhead does not have to be realigned when cartridges are replaced. However, you might want to use this feature for print quality issues in printouts when the printer status page shows streaking or white lines through any of the blocks of color, or if you are having print quality issues with your printouts. Performing the cleaning and aligning procedures unnecessarily can waste ink and shorten the life of the cartridges.

From the printer control panel:
– Touch or swipe down the tab at the top of the screen to open the
Dashboard

– Touch Setup
– Touch Printer Maintenance
Select the desired option
– Follow the onscreen instructions