Let the grass grow higher and thus encourage root growth. It will also allow the grass to self-seed. If you mow a path in the middle, it will show that it is indeed meant to be that way as opposed to being neglected.
When buying a new printer consider one that allows ink cartridges to be refilled with rechargeable kits. It is very cost effective and environmentally friendly. If this is not applicable to your printer remember to recycle your used cartridges by returning them to the shop where you buy the new ones.
More green tips