1. Installing print Ricoh MP C2050 for Win10: Using the Ricoh MP C2504 (upstair printer/copier): Windows 10 make it easy. - control panel -> Device and Printer -> "Add a printer" - click on "The printer that I want isn't listed" - do "add a print using a TCS/IP address or hostname", and used 188.8.131.52 (c2504-225.ifa.hawaii.edu) That's it, the printer should work. Then configure the papertrays are follows: + Paper Size Settings: tray 1 & 2: 8.5x11 tray 3: 8.5x14 tray 4: 11x17 2. What to do when irsummitpr is stuck with jobs. 1. use 'lpq' & 'cancel' to clear queue. 2. Recycle power on the printer. 3. do '/etc/init.d/cups restart' to restart cups 4. do 'enable irsummitpr' to enable printer. example, (as root on duke): # lpq # cancel JOBNO (recycle power on printer). # /etc/init.d/cups restart # enable irsummitpr (go test the printer).