Brother International HL-4570CDW Users Manual - English - Page 130
Cleaning the drum unit, Machine Info., Drum Dot Print
UPC - 012502625001
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Routine Maintenance Cleaning the drum unit 5 If your printout has colored spots at 94 mm (3.7 in.) intervals, the drum may have foreign material, such as glue from a label stuck on the drum surface. Follow the steps below to solve the problem. a Make sure the machine is in the ready state. b Press + or - to choose Machine Info.. Press OK. c Press + or - to choose Drum Dot Print. Press OK to print out the drum dot check sheet. d Turn off the machine's power switch. Disconnect all interface cables, and then unplug the AC power cord. e Press the front cover release button and then open the front cover. 5 f Hold the green handle of the drum unit. Pull the drum unit out until it stops. 124
Routine Maintenance
124
5
Cleaning the drum unit
5
If your printout has colored spots at 94 mm (3.7 in.) intervals, the drum may have foreign material, such as
glue from a label stuck on the drum surface. Follow the steps below to solve the problem.
a
Make sure the machine is in the ready state.
b
Press
+
or
-
to choose
Machine Info.
. Press
OK
.
c
Press
+
or
-
to choose
Drum Dot Print
. Press
OK
to print out the drum dot check sheet.
d
Turn off the machine's power switch. Disconnect all interface cables, and then unplug the AC power
cord.
e
Press the front cover release button and then open the front cover.
f
Hold the green handle of the drum unit. Pull the drum unit out until it stops.