To test printer without computer ( selfprint ) Canon IP2770 printer follow the steps below.
2. Wait until printer finished prepare
3. Press and hold resume button
4. Press power button twice
5. Printer will printing all color If not working please do the following steps : 1. Turn ON the printer 2. Wait until printer finished prepare 3. Press and hold resume button until the green lamp blinking twice 4. Release resume button after green lamp blinking twice, and the printer will printing all colour.