Service manual

103
SEP 2006
Ver. 1.1
DP-8020E/8020P/8016P
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: http://www.shinetsusilicones.com)
5 Slotted Screwdriver (3/32 in) 11
Molykote EM-50L Grease
(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
DATA with the previously printed one.
2 Auto Document
Feeder (ADF)
Check &
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.
3 Scanner Unit Check &
Clean
1. Clean the Scanning Glass, or White Reference Sheet with
Isopropyl Alcohol when required.
4 Transmitter Unit Check &
Clean
1. Remove any foreign obstacles.
2. Clean the Rollers with a Wet soft cloth (Water).
5 Mirrors Check &
Clean
1. Do not touch the surface of the Mirrors with your hands.
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.
7 Gears, Rollers Shafts Check &
Grease
1. Check, and grease the required Gears, and Shafts.
8 Timing Belts Check &
Clean
1. Check for belt looseness, or abrasion.
2. Adjust the Idle Pulley.