Preparation; How To Access The Object Component - Brother MFC4820C Service Manual

Preparation

Prior to proceeding with the disassembly procedure,
(1) Unplug
- the modular jack of the telephone line,
- the modular jack of the handset* (and remove the handset),
- the USB cable, if connected (not shown below), and
- the modular jack of the external telephone set if connected (not shown below).
(2) Remove
- the paper tray and
- the output paper support.
Telephone line cord
During disassembly jobs except when removing the engine unit (including the purge unit and the
needle tube & head flat cable ASSY), leave the print head unit and all four ink cartridges in the
machine.
When removing the print head unit or engine unit, you need to remove the ink cartridges and drain
the ink from the needle tubes beforehand.

How to Access the Object Component

• On the next page is a disassembly flowchart which helps you access the object components. To
remove the purge unit, for example, first find it on the flowchart and note its number (
case). To access it, you need to remove all the parts above the purge unit on the flowchart (
, , and
6.1.3 6.1.9
• Unless otherwise specified, all parts should be replaced in the opposite order to which they were
removed to reassemble the machine.
Handset*
in this case) before the unit itself can be removed.
6.1.10
(Handset
mount*)
Output paper support
6 -3
*Not provided on the MFC4420C.
Paper tray
6.1.14
in this
,
6.1.1