Canon PIXMA MX850 Series Quick Start Manual page 62

Important
Do not connect the machine and external devices in parallel to the same telephone line using a
distribution adapter (B). The machine may not operate properly.
Connecting a Telephone or Answering Machine via a Computer
(A) Computer
(B) Telephone or answering machine
Note
Before connecting a telephone or answering machine, remove the Telephone connector cap.
For Users in the UK
If the connector of the external device cannot be connected to the jack on the machine, you will
need to purchase a B.T. adapter to connect as follows:
Connect the external device line to the B.T. adapter, then connect the B.T. adapter to the
jack.
58 Faxing
(B)
(A)
(B)