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Service Guide ML393/ML393CPlus
Chapter 3 Maintenance
3.1 MAINTENANCE
3.1.01 General Information
This section lists the parts replacement, adjustment, cleaning, lubrication, and shipping procedures.
Disassembly should not be performed unless absolutely necessary. NEVER perform disassembly on a
malfunctioning unit until you have followed the failure analysis procedures in Section Four of this Service
Handbook.
Follow the procedures listed in
Adjustments and Service Settings
. Adjustments may be required when
either consumables or parts are replaced. Failure to perform these procedures could result in
unnecessary service calls.
Cleaning procedures must be performed correctly if high print quality is to be achieved.
3.1.02 Maintenance Items
The following items are required to service the unit.
Disassembly / Adjustments
#1 Phillips Screwdriver (with magnetic tip)
#2 Phillips Screwdriver (with magnetic tip)
#3 Phillips Screwdriver (with magnetic tip)
Straight-slot Screwdriver
Needle Nose Pliers (4 inch)
Diagonal Cutters
Tension Gauge (capable of measuring 1 pound of pressure)
7 mm open-ended wrench
Ruler (capable of measuring 1/16 inch increments)
3/32 inch socket with driver
Feeler Gauge
Digital Multimeter
Cleaning / Lubrication
Shop Vacuum
Cloth (soft and lint-free)
All-Purpose Cleaner
Platen Cleaner
Contact Kleen (Okidata P/N 51802301)
Machine Grease
