Of1 Noise Isolation Procedure - Xerox 2510 Service Manual

OF1 Noise Isolation Procedure
This procedure is used to isolate noises to a
specific subsystem or component. There
probably will not be a dropout to a specific
component. The procedure will be
eliminating one subsystem at a time i n order
to isolate to the most probable cause for the
noise.
CAUTION
(2510. 2515 WIO Tag 2 7, or 89): To prevent
damage to the drive gears; before entering
any diagnostic test which requires the use o f
the main drive motor (A); always enter the
codes
(g) fuser and (J) cooling fans flrst, and
then allow the copier to operate for at least 2
minutes. Then press code (A) to start the main
WARNING
(2515 WITags 2,7, or 89): There will be a time
delay between the time the code
[A]
is
entered and the time the motor starts to turn.
The motor will not start until the fuser is at
the correct temperature.
In the Power Saver or Rest mode, there is an
electrical noise at the rear of the copier.
Y N
A B C
Remove the document drive belt.
The noise is heard when the main drive
motor is turning after the control panel
indicates L3.
Y
N
Enter the diagnostic mode:
(2510,251 5 WIO Tag 2,7, or 89)
enter code [L] and press Start
enter code (g) and press Start.
enter code (J) and press Start.
wait at least
2
minutes.
enter code (A) and press Start.
entor
code
(b)
ond
press
Stnrt, lhls
will energize the media feed
clutch.
(2515 WI
Tog 2,7, or 89)
I
enter code (A) and press Start.
enter code (b) and press Start. this
will energize the media feed
clutch.
The noise is heard when the feed
clutch Is energized.
Reinstall the document drive belt.
Insert a document into the
document handler. Check the
following
:
the lower document feed rolls
the bearings for binding (PL
5.1)
document handler idler rolls
the tension of the drive belt
if the exposure lamp heat sink
is rubbing the document drive
roll
Switch off and unplug the copier.
Remove the media transport module
(REP 8.1).
Check the following for damage:
the upper media feed rolls
the bearings
media idler rolls
idler roll shaft
Lubricate the Main Drive Gear, Pivot
Shaft with Molycote 557 (US0 70H37)
or Tri-Flow (US0 70P100),
Switch off and unplug the copier. Remove
the developer module (REP 9.5). Bypass
the uppor roar cover interlock switch,
Connect the copier and switch on the
power.
(Continued)
8/96
251012515 2-73
OF1 Noise Isolation Procedure RAP