HP 6978 vs 7855 – Which HP Printer is Best?

HP 6978 vs 7855 – How to Choose the Best Printer?

HP 6978 vs 7855

The right type of printer can make all the changes for a small business owner by meeting all the printing needs in their local shop. Although HP makes more printers than any other brand, the name confuses buyers to choose the best one for their needs.

In this guide, we’ve compared the HP 6978 and 7855, explored all your printing habits, and recommended the best machine. Read on to find the answer.

HP 6978 vs 7855 – Comparison Table:

ProductHP OfficeJet Pro 6978
HP 6978 vs 7855
HP ENVY Photo 7855
HP 6978 vs 7855
TypeAll In One PrinterAll In One Printer
Speed30 PPM Black, 26 PPM colour15 PPM black, 10 PPM colour
Printing TechInkjetInkjet
Input Capacity225 Sheets125 Sheets
Envelop Input Capacity105
Output60 Sheets25 Sheets
ConnectivityWi-Fi, USB, EthernetWi-Fi, USB, Ethernet
Colour Touch ScreenYesYes
Scan to EmailYesYes
High-Yield CartridgesYesYes
2-Sided PrintingYesYes
Borderless PrintingYesYes
Separate Photo TrayNoYes
Compatible DevicesSmartphone, Pc, Laptop, TabletsSmartphone, Pc, Laptop, Tablets
UsageFax, Photocopy, Print, ScanFax, Photocopy, Print, Scan
Automatic Document Feeder Capacity35 Sheets35 Sheets
Weight8.1 Kg7.60 Kg
Power200 – 240 VAC100 – 240 VAC
Power Consumption27W13.95W
Total Print Cartridges42
ScanningTwo Side ScanningSingle-Sided
Scanning TypeFlatbed, ADFFlatbed, ADF
PortsUSB, 2x Fax, Ethernet, Power portUSB 2.0, USB host, Wi-Fi, Ethernet, Fax, BLE, SD card
Maximum Number of Copy9950
Monthly Duty CycleUp to 20,000 pagesUp to 1000 pages
Maximum Resolution600 x 600 DPI300 x 300 DPI
Copy Speed22 CPM21 CPM
Dimensions (Inches)18.26 x 15.35 x 9.019.33 x 17.87 x 7.6
Supported Operating SystemWindows, Linux, MacWindows, Linux, Mac
PriceView on Amazon View on Amazon

HP 6978 vs 7855 – What’s the same?


These HP all-in-one printers are inkjet devices that can print in both black & white and colour to meet the needs of a small business or office. You can print on a variety of paper types with low maintenance costs to maximize profits. Plus, it doesn’t take long to warm up before printing on both devices, which helps you save time and energy in the long run.


There are a lot of connection options provided by both HP printers to let you access the device from a smartphone, PC, laptop, or tablet. You can connect through Wi-Fi, USB, and Ethernet and access the device if one connection is not working.


ADF (Automatic Document Feeder) is provided to minimize the load of tasks by automating the process of a printer. Each device comes with a built-in ADS that lets you copy or scan up to 35 pages without having to manually insert each sheet inside the printer.

Scanning Type

Both devices give you high-speed duplex scanning with flatbed and ADF settings. Now, the user has the option to scan documents one by one or start the automatic documents feeder to cover loads of work in an instant. The scanner from both devices can scan photos and documents at the same time to maximize the output from your printer,


HP 7855 and 6978 are compatible with more than one operating system to help any user in printing, scanning, fax and copying a document. People can plug the device in Windows, Linux, Mac, or android to start using the printer without the need of switching operating systems.

HP 6978 vs 7855 – What’s so different?

Input Capacity

Input capacity is the main difference between the HP 6978 vs 7855. The first printer allows you to store 225 sheets of paper at a time, while the second option only stores a total of 125 sheets. Then you need to refill the printer to start printing and copying documents from your computer.

Power Consumption

Obviously, the higher the speed and capacity, the more power the printer will use. The HP 6978 consumes 27W of electricity while the other options only consume 13.95W. This makes the HP 7855 more energy efficient for home users and normal buyers that need it for day-to-day activity.


The HP 6978 printer is designed for demanding office work because it is equipped with 4 cartridges that can produce 60 sheets without any delays. However, the HP 7855 only allows 2 cartridges with a 25-sheet output for simultaneous printing.


Both printers have a built-in scanner that you can use to scan documents and make digital copies on your computer. However, the HP 6978 has two-sided scanning with automatic printing software, but the HP 7855 only has a one-sided scan that you need to manually scan the other side.

Monthly Duty Cycle

When comparing the HP 6978 vs 7855, we found that the two printers had different monthly duty cycles. The HP 6978 can print up to 20,000 pages while the HP 7855 only prints 1,000 pages per month. So, if you are buying a device for heavy work, the HP 6978 inkjet printer is the best.

HP 6978 vs 7855 – Pros & Cons

HP OfficeJet Pro 6978
HP 6978 vs 7855
HP ENVY Photo 7855
HP 6978 vs 7855
● More speed printing and scanning
● Compatible with most devices
● High-yield cartridges
● Comes with ADF
● Features two side scanning
● More print cartridges
● Support more range of paper sizes
● Print directly from SD card
● Colour touch screen for easy navigation
● Uses less power
● Comes with more ports
● One year of warranty
● Use more power
● Fewer ports are available
● Only allow one side scanning
● Less copy speed
View on Amazon View on Amazon

HP 6978 vs 7855 – Which one’s the best?

Which printer is the best? It depends on the user. If you want to print a lot of documents every day because you are a small business or office that needs more printing than the HP 6978, it is ideal. However, if you need a more economical printer that uses less power and gives you more connectivity to print at very high quality, choose the HP 7855 printer.


Most users who need the best HP printer can opt for the HP 6978 printer. It is a similarly priced all-in-one printer that gives you more speed, capacity, and output for printing and scanning. It has a touchscreen with many connectivity options for easy large-scale printing.

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