Rochdale claimed their second win of the season with a rout of Leyton Orient at Brisbane Road.
Grant Holt put the visitors ahead in the 24th minute with a drilled effort from 18 yards and Richard Lambert added a second with a 30-yard free-kick.
Lambert got his second from 18 yards after the break and Alan Goodall made it 4-0 with 15 minutes left.
Orient grabbed their consolation when Efe Echanomi struck from six yards after Justin Miller found him in space.
Leyton Orient: Garner, Barnard (Miller 72), Zakuani, Mackie, Lockwood, Tudor, Simpson, McMahon (Easton 45), Keith (Echanomi 60), Alexander, Steele.
Subs Not Used: Dolan, Morris.
Booked: Mackie, Lockwood.
Goals: Echanomi 76.
Rochdale: Gilks, Gallimore, Cooksey, Boardman, Cartwright, Holt (Sturrock 81), Jones, Goodall, Jaszczun, Lambert, Clarke.
Subs Not Used: Warner, McArdle, Kitchen, Woodhall.
Booked: Clarke, Holt.
Goals: Holt 24, Lambert 29, 68, Goodall 74.
Ref: P Miller (Bedfordshire).