Warnings For Maintenance Work - Brother 1240 Service Manual

CHAPTER 6 TROUBLESHOOTING
Condensation on the corona unit may cause corona charge leakage.
Condensation on the hopper plate and separation pad may cause paper feed troubles.
If condensation has occurred, print several pages or leave the printer for 2 hours to allow it to
reach room temperature.
If the drum unit is unpacked soon after it is moved from a cold room to a warm room,
condensation may occur inside the unit, which may cause incorrect images. Instruct the user
to allow the unit to come to room temperature before unpacking it. This will take one or two
hours.
1.2

Warnings for Maintenance Work

To avoid creating secondary problems by mishandling, follow the warnings below during
maintenance work.
(1) Always turn off the power switch and unplug the power cord from the power outlet
before accessing any parts inside the printer.
(2) Some parts inside the printer are extremely hot immediately after the printer is used.
When opening the front cover or rear cover to access any parts inside the printer,
never touch the red colored parts shown in the following figures.
WARNING
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