Canon LBP2900 用户手册
Service Call
6-21
T
roub
leshooting
6
3
Turn the printer and computer off
a
a
a
a
, remove the USB cable
b
b
b
b
,
and disconnect the power plug from the power outlet
c
c
c
c
.
4
Contact your local authorized Canon dealer.
When you contact your Canon dealer, please describe the problems that
occurred and the error code that you noted down.
occurred and the error code that you noted down.
a
c
b
a