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Service Guide
37
Motor and fuser roller resistances
1.
Turn off the printer and disconnect the power cord.
2.
With a DMM set for measuring resistance, test each motor's windings for
correct resistance (disconnected from the printer).
Motor and fuser roller resistances
Motor
Measure between ...
Resistance
Yellow drum unit motor
Magenta drum unit motor
Cyan drum unit motor
Black drum unit motor
Between motor Pins 1 and 2
Between motor Pins 3 and 4
All the drum motors connect to
connector ID at the top of the
engine controller board
Black
Pins 1 thru 4
Yellow
Pins 5 thru 8
magenta
Pins 9 thru 12
Cyan
Pins 13 thru 16
~3
Ω
~3
Ω
Transfer belt motor
Registration motor
Fuser motor
Main feed drive motor
Between motor Pins 1 and 2
Between motor Pins 3 and 4
The transfer belt motor
connects to connector
BELTHET pins 5 thru 8
The feed motor connects to
connector HOPFF pins 1 thru 4
The main motor connects to
connector HOPFF pins 5 thru 8
~8
Ω
~8
Ω
Tray lift motor
Between motor Pins 1 and 2
~100
Ω
Fuser unit
New fuser: The resistance
between pins C and D of the
lower roller will be O
Ω
, a fuse.
Used fuser: The fuse between
pins C and D of the lower roller
will be open. The fuse indicates
a new fuser and is blown within
seconds of being installed to
indicate a fuser now in use.
Upper Roller
Between Pins A and B
Between Pins C and D
Between Pins E and F
Lower Roller
Between Pins A and B
Between Pins C and D
Between Pins E and F
2
Ω
Open
~360 at 25
o
C
3
Ω
0
Ω
or open
(fuse)
~360 at 25
o
C
B A
C D E F
C D E F
B A
Underside of fuser
0728-02
Содержание 2135N - Phaser Color Laser Printer
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Страница 170: ...Service Guide 157 Figure 2 Top cover FRUs 15 12 12 13 14 16 11 11 11 11 9 6 5 7 3 8 4 1 20 19 18 17 2 10 0725 02...
Страница 174: ...Service Guide 161 Figure 4 Printer chassis FRUs 2 of 2 3 4 1 2 9 7 10 6 11 8 5 12 0725 04 13...
Страница 176: ...Service Guide 163 Figure 5 Paper tray and paper tray guides FRUs 7 4 2 1 0725 05 5 6 3 8 9...
Страница 180: ...Service Guide 167 Figure 8 LowerTray Assembly FRUs 1 2 5 6 7 8 9 3 4 4 4 0725 07...
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Страница 197: ...NOTES...
Страница 198: ...NOTES...
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