HP color Laserjet 2605dn
Printer not good working

Dear sir,

we procurred two HP color laserjet 2605dn printers. quality of printers not good whille printing. the printer are under warranty. request advice further action.

product no and ser no are as under.

Product No Q7822A.

1. Ser No CNJJ8410VP

2. Ser No CNJJ84Y00F