Xerox 5915, Service Manual

Page: 8 / 146

1-4
Section 1 Service Procedure
HIGH FREQUENCY
SERVICE ITEMS
Component Indication Replacement
threshold
Parts list Replacement
Procedure
Photoreceptor
drum
With the Drum Unit replacement
due, the Control Panel display
turns on at 50K copies indicating
its replacement is required. After
“Replace Drum Cartridge” is
displayed, J7 is displayed at 5K
copies and copying is prohibited
from this point.
50K 673S50211 REP 5.1.1
Toner
Cartridge When the Toner Cartridge runs
short of toner, “Supply Toner” is
flashing. When approx. 100
copies have been made since the
display began flashing, J1 is
displayed and copying is
prohibited from this point. 6K
The above copy
quantities apply
to A4 originals
with an area
coverage of 6% .
6R01020
Half-Moon
Feed Roll 67K 59K03261 REP 2.5.1
MSI Feed
Roller 60K 6S50220 REP 2.3.2
MSI Retard
Pad 60K 19S50212 REP 2.2.2
Ozone Filter 50K 53E91510 REP 8.5.2
4
TRIM
•
The XEROX 5915 TRIM procedure shall be performed at
all maintenance calls., unless the procedure has been carried out within the last 10 days.
TRIM work items are listed in the TRIM table.
The work is categorized into the following:
▼
▼ ▼
▼ :Check at calls.
∇ ∇ ∇ ∇
: Make sure to clean
<
TRIM Check List
▼
▼ ▼
▼ :Check at calls.
∇ ∇ ∇ ∇
:
Make sure to clean
: Make sure to replace at given intervals.
Work Item Category Main Points
1
Check the overall M/C operation
before work.
▼ ▼ ▼ ▼
•
Check on paper feeding, copy quality,
abnormal noise, etc.
2
Clean Platen Glass(top/bottom
surfaces), Platen Cushion and
Mirrors.
∇ ∇ ∇ ∇
•
Clean Platen Glass top/bottom surfaces
with silicon cloth and lens cleaning liquid.
•
Clean Platen Cushion with wet cloth.
•
Clean Mirrors 1-4 and Lamp Reflector with
optics cleaning cloth.
3
Clean Transfer/Detach/Pre-transfer
Corotrons.
∇ ∇ ∇ ∇
•
Clean Wire Shield and Guide with a clean
brush, and wipe them with dry cloth if
necessary.
4 Clean Paper Transport Assy.
∇
∇ ∇
∇
•
Clean Transport Belt and its surrounding
area with a brush, and wipe them with a
dry cloth if necessary.
5
Charge Corotron, Seal Glass, and
I.S.I.L.
∇
∇ ∇
∇
•
Wipe Charge Corotron, Seal Glass, and
I.S.I.L. with dry cloth.
6 Check clean parts subject to wear.
▼ ▼ ▼ ▼
•
Check lives of the parts and replace/clean
if necessary.
•
Ozone Filter (50k)
•
MSI Feed/Retard Roller/Pad (60k)
•
Half-Moon Feed Roller (67k)
7 Check on safety. ▼ ▼ ▼ ▼
•
Carry out earth continuity check on mains
cable.
•
Check Power Plug for damage(cracks/
exposed core)
8
Check the overall M/C operation
after work.
▼ ▼ ▼ ▼
•
Enable all the operations and check paper
feeding, copy quality, abnormal noise, etc.
•
Check counters.
•
Update the History Card and service
report.
NOTE : a. The Drum doesn’t normally need cleaning.
b. When you can’t help cleaning the Drum because of fingerprints, etc., clean its surface with
the XEROX 5915 toner slightly and then wipe it with dry cloth. (Clean it while rotating it in
the Drum rotating direction.)
c. Never use Drum Cleaner or Refiner.