Oki C910 Manuale

OKI proColor™C910 /C930 Engine

Service Training & Disassembly Procedures

DISTRIBUTED AT THE C910 /C930 SERVICE TRAINING CLASSES

OKI DATA TRAINING DEPARTMENT REV.3.20

2000 Bishops Gate Blvd.

Mt. Laurel, NJ 08054

This document describes the disassembly of the Oki Data A3 9 series of printer engines.

It is to be used during Oki Data Service Training. It is not designed to be a self-directed

course, as Oki Data Trainers will provide additional information as required during the

course. We are not responsible for typographical errors nor or we responsible for

manufacturing changes that are considered part of a products life cycle.

This document is being provided in conjunction with an Oki Data sponsored and

instructor led course. Be aware that the machine you are working with may have already

been disassembled, resulting in parts and / or screws being incorrectly replaced.

You are responsible for your own personal safety as you work through this course. You

are expected to know how to safely operate, disassemble, and repair machines of this

type. Oki Data is providing disassembly, troubleshooting, repair and reassembly

instructions specific to this series of printers. Oki Data assumes that each student has

already demonstrated their knowledge of basic electronics, troubleshooting, disassembly

and reassembly of this type of equipment.

Important Safety Notes:

•This product generates potentially lethal voltages. While Oki Data has made

every attempt to insure safe operation and voltage interruption by installing safety

circuits, it is possible to by-pass these safety circuits. Oki Data will not be

responsible for the safety of any attendee who knowingly by-passes any of these

safety devices.

•The printer units are very heavy. The ES3640 printer weighs approximately 190

pounds. Safe lifting techniques are required and Oki Data assumes that the

attendee is versed in established safe lifting techniques.

•These printers contain large amounts of metal that may have sharp edges or

burrs on edges. Oki Data assumes no liability for carelessness that results in

injuries to attendees. In short – Be Aware – Be Careful - Don’t Fool Around!

•If you are unsure of something – ask the Oki Data Trainer before continuing.

•Follow the disassembly instructions as they are written to insure your safety as

well as your successful disassembly/reassembly of the printer(s) you’ll be

working with.

Course Instructions:

1. The Oki Data A3 printer engine weighs almost 200 pounds, so use caution

and common sense when lifting, moving, or placing it on a surface.

2. Follow the procedures as they are written.

3. If you encounter any problems, notify the instructor.

4. NOTE: steel screws go into metal; Black screws go into plastic.

5. Use Electrostatic Discharge precautions when handling the electronics

portions of the printers.

6. Pay very close attention to the wiring harnesses and how they are routed.

This will save time when you reassemble your unit!

7. Pay particular attention to not pinching cable assemblies when

reassembling the unit.

8. Watch for sharp edges and burrs on the metal covers and support

brackets. This machine contains a lot of metal – Be careful!

9. Store the removed screws with the appropriate assembly they secure.

10.Notify the instructor if you have any left over parts/screws once you’ve

completed the re-assembly. This is IMPORTANT since these are training

machines and will be used for additional training classes.

11.We do not “booby trap” machines prior to disassembly or re-assembly.

We may introduce problems after your unit is reassembled and tested:

This is the best way to learn troubleshooting techniques.

12.Learn as much as you can - Enjoy the class – Ask questions

13.Remember; It Is Your Course! Ask questions of the instructors.

14.When completing the course critique, be honest; If you find a problem,

want to make a suggestion, utilize the comments section on the rear of the

critique form. We Do Pay Attention to These Comments! Remember:

Constructive Criticism is always welcome and it helps us to improve this

course.

III

This Page Is Intentionally Blank

A3 Printer Engine Disassembly Procedures

All directions are referenced from the “Front / Operator Panel” of the machine

Install the consumables (First Time Use machines only)

Remove drum and toner assemblies from the black bags (if so equipped) and reinstall in

your printer.

1. Print the following pages:

1.1.1. “Configuration Pages”

1.1.2. “Demo Page 1”

2. Unplug the power cord from the wall

and from the printer.

2.1. Remove all consumables

from the printer.

2.1.1. Drum and toner

assemblies go back in the

black bags and fold the

tops of the bag to block

light leakage.

2.1.2. Remove the Transfer

Belt.

2.1.3. Remove the Fuser

assembly.

2.1.4. Remove Waste Toner

Box

2.2. Close the printer cover.

3. Remove the Paper

Cassette from the

printer.

4. Removing the Power

Supply Cover.

4.1. Remove 5

screws from

the Power

Supply Cover.

4.2. Remove the

Power Supply

Cover.

5. Removing the Right

Side Cover and the

Right Side Lower

Access Cover.

5.1. Remove 2

screws from

the Right Side

Cover and use

a flat blade

screwdriver to

release the

four tabs. Push

down on the

top taps and

up on the

bottom tabs.

5.2. Release the

latch.

5.3. Remove the

Right Side

Cover.

5.4. Remove the

Right Side

Lower Access

Cover by

gently prying

the plastic pins

away from the

metal frame.

6. Removing the Rear

Right Side Cover.

6.1. Open the Top

Cover and

remove two

screws.

6.2. Remove the

Rear Right

Side Cover.

7. Remove the Duplexer

(if equipped) / Dummy

Duplex Cover from the

left side.

8. Removing the Left

Side Cover.

8.1. Remove the 4

screws and

release the

tabs by

pressing down

with a flat

blade

screwdriver.

8.2. Remove the

Left Side

Cover.

9. Removing the Front

Cover Assy.

9.1. Lift the Op

Panel as far as

possible and

open the Front

Cover Assy.

Remove the 2

screws from

the support

straps.

NOTE: Be sure the

Waste Toner Box has

been removed.

9.2. Make sure the

cover is open

all the way –

remove it by

pushing to the

left on the

black hinges

and moving the

cover to the

right.

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