Adj 14.1 Optics Cleaning Procedure (W/O Tag 150); Adj 14.2 Optics Cleaning Procedure (W/Tag 150) - Xerox WorkCentre 5790 Series Service Manual

ADJ 14.1 Optics Cleaning Procedure (W/O TAG 150)

Parts List on PL 14.20
Purpose
To clean the optics components of the scanner ensuring optimum image quality.
NOTE: This adjustment must only be performed if directed to from an Image Quality RAP, or if
the optics cavity was opened to install a new component and contamination can be seen on
the optics components.
Procedure
Ensure that the electricity to the machine is switched off while performing tasks that do
not need electricity. Refer to GP 14. Disconnect the power cord. Electricity can cause
death or injury. Moving parts can cause injury.
Observe ESD precautions during this procedure.
1. Remove the CVT glass and document glass,
2. Inspect the cleanliness of the optics mirrors, if necessary, clean them as follows:
a. Vacuum clean the area to remove all visible contamination, taking care not to touch
the mirrors with the cleaning nozzle. It may be necessary to move the carriages to
gain reasonable access, do this by hand rotation of the flywheel on the capstan
shaft.
b. Wash your hands.
c. Carefully clean the mirrors using a dry micro fiber wiper,
necessary to use a cleaning cloth dampened with film remover,
stubborn contamination.
d. Polish the mirrors with a dry micro fiber wiper,
e. Check that the mirror surfaces are now clean. Repeat the cleaning operation if nec-
essary.
3. Inspect the cleanliness of the document glass and CVT glass, if necessary, clean them as
follows:
a. Clean the under side of document glass and CVT glass using a micro fiber wiper,
26.10 Item 13, dampened with film remover,
b. Polish the under side of document glass and CVT glass with a dry micro fiber wiper.
c. Install the document glass and CVT glass, taking care not to smear the cleaned
underside, REP 14.6
NOTE: Ensure that the CVT glass is installed as far to the right as possible.
NOTE: Ensure that the white stripes on both the CVT glass and the document glass,
are at the front of the machine and on the underside of the glass.
d. Clean the upper side of document glass and CVT glass using a micro fiber
26.10 Item 13, dampened with film remover,
e. Polish the upper side of document glass and CVT glass using a dry micro fiber
wiper, PL 26.10 Item 13.
4. Re-install the remainder of the removed components.
Xerox® WorkCentre® 5790 Family
WARNING
CAUTION
REP 14.6.
PL 26.10 Item
PL 26.10 Item 4
PL 26.10 Item 13.
PL 26.10 Item 4.
PL 26.10 Item 4.

ADJ 14.2 Optics Cleaning Procedure (W/TAG 150)

Parts List on PL 14.10
Purpose
To clean the optical components of the scanner ensuring optimum image quality.
NOTE: This adjustment must only be performed if directed to it from an Image Quality RAP, or
if the optics cavity was opened to install a new component and contamination can be seen.
Procedure
Ensure that the electricity to the machine is switched off while performing tasks that do
not need electricity. Refer to
death or injury. Moving parts can cause injury.
Observe ESD precautions during this procedure.
1. Remove the DADH,
2. Remove the CVT glass and document glass,
3. Inspect the cleanliness of the exposure lamp, lens and mirror and if necessary, clean
them as follows:
a. Vacuum clean the area as necessary to remove all visible contamination, taking care
not to touch the mirror, exposure lamp or lens with the cleaning nozzle. It may be
necessary to move the carriage gently to the left. It is advisable to leave it in this
position, but it can be returned to the home position by depressing slightly to allow
the flag to enter the gap in the scan carriage home sensor.
13. It may be
on b. Wash your hands.
c. Carefully clean the exposure lamp, the top of the full width array and the mirror with
a micro fiber wiper,
19.
d. Polish the lamp, array top and mirror with a dry micro fiber wiper,
4. Examine the lenses of the document size sensors,
sary with a micro fiber wiper,
PL 5. Inspect the document glass and CVT glass and if necessary, clean them as follows:
a. Clean the under side of document glass and CVT glass using a micro fiber wiper,
26.10 Item 13, dampened with antistatic fluid,
b. Polish the under side of document glass and CVT glass with a dry micro fiber wiper,
PL 26.10 Item
c. Install the document glass and CVT glass, taking care not to smear the cleaned
underside, REP
NOTE: Ensure that the white AGC strip on both the CVT glass and the document
glass, are at the front of the machine and on the underside of the glass.
wiper,PL
d. Clean the upper side of document glass and CVT glass using a micro fiber wiper,
dampened with film remover,
e. Polish the upper side of document glass and CVT glass using a dry, micro fiber
wiper.
6. Re-install the remainder of the removed components.
May 2013
4-503
WARNING
GP 14. Disconnect the power cord. Electricity can cause
CAUTION
REP 5.19.
REP 14.6.
PL 26.10 Item 13, dampened with antistatic fluid,
PL 14.15 Item
PL 26.10 Item 13.
PL 26.10 Item
13.
14.6.
PL 26.10 Item 4.
ADJ 14.1, ADJ 14.2
PL 26.10 Item
PL 26.10 Item 13.
3, and clean if neces-
PL
19.
Repairs/Adjustments