Product guide  |  HP Color LaserJet Enterprise MFP M680 series 
5 
comparison 
The following table compares the new HP Color LaserJet Enterprise MFP M680 series with the 
HP Color LaserJet Enterprise CM4540 MFP series. 
 
   
HP Color LaserJet Enterprise Flow MFP 
M680z 
HP Color LaserJet Enterprise CM4540fskm  Benefits 
45 pages per minute (ppm) print speed, letter 
(42 ppm, A4)
5
 
42 ppm print speed, letter (40 ppm, A4)  Faster output 
2 GB standard memory and pre-installed 
320 GB encrypted HP High-Performance 
Secure Hard Disk 
1280 MB memory and 120 GB encrypted Hard 
Disk Drive 
Better performance and improved print job 
retention and security 
3,100-sheet maximum input capacity 
(standard on Flow M680z model)
3
 
2,100-sheet maximum input capacity 
(standard on CM4540fskm model) 
Higher input capacity minimizes interruptions 
Powered by HP FutureSmart Firmware  Not available  Superior investment protection with streamlined 
firmware updates 
8-inch (20.3 cm) articulating color touchscreen 
control panel 
HP Easy Select rectangular color control panel  Improved ease of use, displaying six functions at 
one time (rather than four functions) 
Enhanced digital workflow capabilities (Flow 
M680z model only): 
•  100-sheet extended-life ADF with 
HP EveryPage double-feed detection 
•  Black-and-white scan speeds: up to 65 
ppm, letter (62 ppm, A4), simplex; up to 
89 ipm, letter (86 ipm, A4), duplex 
•  Pull-out keyboard 
•  Auto-tone, auto-orientation, auto-page-
crop 
•  Switchable scan background (black or white) 
•  Embedded OCR 
•  Embedded send-to-Microsoft® SharePoint® 
Standard workflow features: 
•  50-sheet ADF 
•  Black-and-white scan speeds: up to 42 ipm 
(letter/A4), simplex/duplex 
•  Other features not available 
Increased workflow productivity, accuracy, and 
flexibility 
11,500/21,000-page (regular/high-capacity) 
black cartridge yield 
16,500-page color cartridge yield
6
 
8,500/17,000-page (regular/high-capacity) 
black cartridge yield 
12,500-page color cartridge yield 
Print longer with less intervention 
HP Auto-On/Auto-Off Technology
7
  Not available  Easy way to save energy 
Optional wireless direct and touch-to-print 
capabilities
8, 9
 
Not available  Improved efficiency and mobile printing options