Panasonic DP-8020E / DP-8020P / DP-8016P (serv.man2) Service Manual ▷ View online
101
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DP-8020E/8020P/8016P
3 Maintenance, Adjustments and Check Points
3.1.
Preventive Maintenance
Preventive maintenance is performed at specific intervals, and consists of machine
cleaning, and parts replacement.
It is essential to perform these service activities properly, and at the specified intervals
for customer satisfaction.
The purpose of this service is to maintain machine performance, and image quality.
- You should prepare the replacement parts, and cleaning tools beforehand.
- After completing the preventive maintenance, discard the used parts, and
packaging in accordance with local regulations, and clean the surrounding
area.
area.
- Before servicing the equipment, turn the power switches Off, and disconnect
the power cord from the wall outlet.
- Before using solvents such as IPA (Isopropyl alcohol), put on rubber gloves,
and wear eye protection.
1
Timing
- Perform the preventive maintenance in accordance with the Preventive
Maintenance Check List (refer to 3.4) in the service manual.
2
Cleaning the Rollers
- Rollers should be cleaned with water, and a soft cloth.
- Use the IPA (Isopropyl Alcohol) sparingly.
- Use the IPA (Isopropyl Alcohol) sparingly.
3
Disassembly and Adjustment Precautions
Turn the Power Switch on the Right Side of the machine to the OFF
position, and then unplug the AC Power Cord from the wall outlet
before disassembling the machine. (During a Lightning Storm, to
prevent electrocution disconnect the Telephone Line Cable first
before unplugging the AC Power Cord.)
position, and then unplug the AC Power Cord from the wall outlet
before disassembling the machine. (During a Lightning Storm, to
prevent electrocution disconnect the Telephone Line Cable first
before unplugging the AC Power Cord.)
CAUTION!
- After taking the unit apart, do not attempt to operate the machine.
- When operating the machine with covers removed, be careful, and avoid clothing
- When operating the machine with covers removed, be careful, and avoid clothing
from being caught by moving components.
-
- When handling the drum, follow the precautions listed in section 3.3.
- Ensure to use correct screws.
- Use toothed lock washers for the installation of ground wires to ensure electrical
continuity.
- To reassemble, reverse the sequence of disassembly, unless otherwise specified.
- Blown fuses should only be replaced with fuses of the same specified rating.
While the electricity is applied to the unit, do not connect nor disconnect the
connectors on any PC Board.
connectors on any PC Board.
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4
Laser Handling Precautions
The optical laser system employed by this photocopier is completely sealed by
a protective housing, and an external cover. Therefore, the laser beam will not
stray or leak during photocopying operation.
However, when servicing the photocopier, take the following precautions:
1. Do not insert any screwdrivers, or other tools that have high reflective
properties into the laser's path.
.
.
2. Before servicing the machine, remove watches, rings, or other metallic
objects that you may be wearing. (This is to avoid the danger of the laser
striking the eye by reflecting off the metallic objects being worn.)
Since the laser beam cannot be seen with the naked eye, for maximum
safety, please follow the above precautions.
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3.2.
Required Tools
3.2.1.
Preventive Maintenance Method
No.
Tools
No.
Tools
1
Soft Cloth
7
Pliers
2
Isopropyl Alcohol
8
Cotton Swab
3
Phillips Screwdriver (#2)
9
Brush
4
Stubby Phillips Screwdriver (#2)
10
KS-660 - Conductive Grease
(Available from Shin-Etsu Silicones of America, Inc.
URL:
(Available from Shin-Etsu Silicones of America, Inc.
URL:
http://www.shinetsusilicones.com
)
5
Slotted Screwdriver (3/32 in)
11
Molykote EM-50L Grease
(Available from Dow Corning,
URL:
(Available from Dow Corning,
URL:
http://www.dowcorning.com
)
6
Tweezer
No.
Part Description
Important
Action
Comments
1
Memory Data
Check
1. Print the RAM DATA for reference, and as a precaution.
2. After completing the task(s), print, and compare the RAM
2. After completing the task(s), print, and compare the RAM
DATA with the previously printed one.
2
Auto Document
Feeder (ADF)
Feeder (ADF)
Check &
Clean
Clean
1. Clean the Rollers, and Separation Rubber with a Wet soft
cloth (Water).
Note:
For stubborn toner accumulation, wipe with a soft cloth
saturated with Isopropyl Alcohol first, then follow up with
a soft cloth saturated with water.
saturated with Isopropyl Alcohol first, then follow up with
a soft cloth saturated with water.
3
Scanner Unit
Check &
Clean
Clean
1. Clean the Scanning Glass, or White Reference Sheet with
Isopropyl Alcohol when required.
4
Transmitter Unit
Check &
Clean
Clean
1. Remove any foreign obstacles.
2. Clean the Rollers with a Wet soft cloth (Water).
2. Clean the Rollers with a Wet soft cloth (Water).
5
Mirrors
Check &
Clean
Clean
1. Do not touch the surface of the Mirrors with your hands.
2. Clean any dirt, or fingerprints with a Dry Cotton Swab.
2. Clean any dirt, or fingerprints with a Dry Cotton Swab.
Note:
Do not use any type of Alcohol.
6
Inspection Items
Check
1. Check the Harnesses.
2. Check the Connectors.
3. Check the Screws. If required, replace consumable parts.
2. Check the Connectors.
3. Check the Screws. If required, replace consumable parts.
7
Gears, Rollers Shafts Check &
Grease
1. Check, and grease the required Gears, and Shafts.
8
Timing Belts
Check &
Clean
Clean
1. Check for belt looseness, or abrasion.
2. Adjust the Idle Pulley.
2. Adjust the Idle Pulley.
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3.3.
Preventive Maintenance Points
1
2
5
4
3
i-ADF
ADF
6
12
8 11
10
9
13
14
15
7
16
20
21
18, 19
17
20
21
18, 19
17
20
21
18, 19
17
20
18, 19
17
22
23, 24
25
26
27
40
27
36, 38, 41
37, 39
42
43
45
44
DETAIL A
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