Precautions; Attention; Safety Precautions - Brother MP-21C Service Manual

CHAPTER III
1.

PRECAUTIONS

1.1

Safety Precautions

(1) Always turn off the
accessing any parts inside the printer.
Note:
(2) The ink contains no harmful substances.
a. If the ink stains your body or clothes, wash with soap or detergent immediately.
b. If the ink gets in your eyes, irrigate them with water immediately and consult a
doctor if you are concerned.
c. If you swallow the ink by accident, drink plenty of water and consult a doctor if
you are concerned.
(3) Do not put your hands into the printer while it is printing in order to avoid getting
hurt.
1.2

Attention

(1) Be careful not to lose screws, washers or other parts removed during the following
operations.
(2) Be sure to apply grease to the gears and applicable positions specified in this
chapter.
(3) When using soldering irons or other heat-generating tools, take care not to
damage parts such as cables, PCBs and covers.
(4) Before handling the PCBs, touch a metal portion of the equipment to discharge any
static electric charge in your body, or the electronic parts or components may be
damaged.
(5) When transporting PCBs, be sure to wrap them in the correct protective packaging.
(6) Be sure to replace self-tapping screws correctly, if removed. Unless otherwise
specified, tighten screws to the torque values listed in Section 2 below.
(7) When connecting or disconnecting cable connectors, hold the connector body, not
the cables. If the connector has a lock, release the connector lock first to unlock it.
(8) After a repair, check not only the repaired portion but also that the connectors and
other related portions are functioning properly before an operational check.
(9) Make sure the printer has the ink cartridge filter cover fitted before shipping.
(10) Make sure the print head has the filter cover and the nozzle protector fitted when
shipping the print head separately
(11) Special precautions are necessary when handling the print head.
a. Do not touch the nozzle plate, the manifold and the dimple contact of the Head PCB
ASSY.
b. Do not leave the print head with the nozzle plate and the manifold uncovered.
DISASSEMBLY AND REASSEMBLY
(On/Off and Online) button and unplug the power cord before
Even if you turn the
off.
(On/Off) button off, the power is not completely shut
III-1