Precautions - Brother 09055CDN Service Manual

1.

PRECAUTIONS

To avoid creating secondary problems by mishandling, follow the warnings below during
maintenance work.
WARNING
- Always turn off the power switch and unplug the power cord from the power outlet before
accessing any parts inside the machine.
- When opening the front cover or back cover to access any parts inside the machine,
never touch the shaded parts shown in the following figures.
Periodical replacement parts are the parts to be replaced periodically to maintain product
quality. These parts would affect the product quality if they loose their functionality even if they
do not appear to be damaged or there is no change in their appearance.
When replacing the periodical replacement parts, each of the counters need to be reset in order to
record the number of replacement times. Refer to
Also make sure to wipe the dirt on the drum unit as shown in the figure below when replacing
each of the periodical replacement parts.
The number of printed pages of the machine can be checked on Print Settings. (Refer to
User's Guide how to printout of User Settings.) The actual number of printed page will vary
depending on the type of print job or the paper to being used. The figures indicated as the
approximate life in the table above are worked out when printing a general business document
(in accordance with ISO/IEC 19798) on A4-size paper.
Note:
- If the fuser unit is replaced after errors related to the fuser unit occur, you need to wait
until the machine sufficiently cools down before replacing the unit. After replacing the
unit, turn ON the machine and leave if for approximately fifteen minutes. This will make
the machine to be released from the error.
- After disconnecting flat cables, check that each cable is not damaged at its end or
shortcircuited.
- When connecting flat cables, do not insert them at an angle. After insertion, check that
the cables are not at an angle.
"2.2 Parts Life Reset Function" in Chapter
7-1
5.
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