Kodak Ektascan 2180 Manuel utilisateur

HEALTH IMAGING

Publication No. XP3210-006

18JUL97

Repairing the

LASER PRINTER KEYPAD

a component of the

3230 Kodak Ektascan 2180 LASER PRINTER,

3226 Kodak Ektascan 1120 LASER PRINTER,

3210 Kodak Ektascan LASER PRINTER

Model 100 XLP,

3222 Kodak Ektascan LASER PRINTER

Model 100 XLP Upgrade,

3140 Kodak Ektascan IMAGE MANAGER

Purpose: Use this procedure to repair only the KEYPAD with the tilting MESSAGE DISPLAY, identified by

the figure below.

Order a replacement KEYPAD only if the KEYPAD cannot be repaired.

H027_2527AA

MISCELLANEOUS PUBLICATION

2 18JUL97 – XP3210-006

KEYPAD Repair kit, Part Number 9B1510

(Parts are available separately)

Repair Time: Approximately 30 minutes maximum

Special Tools: PUMP, VACUUM DESOLDER TL-3314 or WICK, SOLDER 1C8129

Parts Status: Available from Service Parts Management

Parts Requirements: KEYPAD Repair Kit, Part Number 9B1510

Note: Order the Repair Kit once and order replacement parts. Feedback

information about the parts to SCAN.

Item Part Number Description Qty.

1 981821 DC-DC CONVERTER (incl. adhesive pad) 2

2 911355 MESSAGE DISPLAY BOARD 1

3 2B6808 KEYPAD OVERLAY/BOARD ASSEMBLY 1

4 9B1506 STANDOFF, hex, male/female 6

5 9B1507 BUSHING, hex, threaded, female/female 6

6 914278 SHORT STANDOFF 6

7 914279 LONG STANDOFF 6

8 914276 SPACER, plastic 6

9 914287 SHORT SCREW, plastic 6

10 914288 LONG SCREW, plastic 6

11 575822 WASHER, metal 6

12 1C8148 LOCKTITE 414 ADHESIVE, 1 oz. bottle 1

13 6C5726 CASE and PART BOX 1

3 18JUl97 – XP3210-006

PLEASE NOTE The information contained herein is based on the experience and knowledge relating to the

subject matter gained by Eastman Kodak Company prior to publication.

No patent license is granted by this information.

Eastman Kodak Company reserves the right to change this information without notice, and

makes no warranty, express or implied, with respect to this information. Kodak shall not be

liable for any loss or damage, including consequential or special damages, resulting from any

use of this information, even if loss or damage is caused by Kodak’s negligence or other fault.

This equipment includes parts and assemblies sensitive to damage from electrostatic

discharge. Use caution to prevent damage during all service procedures.

Important

Use qualified personnel to make the repair.

Diagnosing the KEYPAD Malfunction

Note

The PRINTER and INTERFACE must be ON and in the READY mode before you diagnose the KEYPAD.

You cannot diagnose the KEYPAD correctly if the PRINTER and INTERFACE are in the START-UP or SELF-

TEST modes.

[1] Check that the KEYPAD CABLE is connected correctly.

[2] Press the Format ▲key several times. As you press the key, observe the illumination of the NUMERIC

KEYPAD and listen for a beep each time the key is pressed.

[3] Study the following and check for incorrect or erratic displays:

• MESSAGE DISPLAY

• NUMERIC KEYPAD

• ‘COPIES’ DISPLAY

• ‘FORMAT’ DISPLAY

H027_2508BA

DISPLAY

’FORMAT’

DISPLAY

’COPIES’

DISPLAY

MESSAGE

KEYPAD

NUMERIC

H027_2508BCB

MISCELLANEOUS PUBLICATION

4 18JUL97 – XP3210-006

Possible damage from electrostatic discharge.

ESD

[4] If the KEYPAD does not operate correctly,

remove the six screws and BACK COVER from

the MESSAGE DISPLAY.

[5] Check that the CONNECTOR on the RIBBON

CABLE engages the MESSAGE DISPLAY

BOARD.

Possible damage from electrostatic discharge.

ESD

[6] Remove the four SCREWS and WASHERS from

the back of the KEYPAD. Turn the KEYPAD

over.

[7] Carefully lift the KEYPAD OVERLAY/

CIRCUIT BOARD ASSEMBLY out of the

KEYPAD.

Caution

Be careful not to damage the wires and ribbon cables

attached to the ASSEMBLY.

[8] Check that the CONNECTORS on the following

CABLES and BOARDS are engaged:

• MESSAGE DISPLAY RIBBON CABLE

• KEYPAD DISPLAY RIBBON CABLE

• RIBBON CABLE between the KEYPAD

OVERLAY and CIRCUIT BOARD

• FOOTSWITCH BOARD

H027_2522AC

H027_2522ACA

6 SCREWS

BACK COVER

H027_2516AC

SCREWS

H027_2516ACA

H027_2524AC

KEYPAD OVERLAY/

BOARD AY

MESSAGE

DISPLAY

RIBBON

CABLE

FOOTSWITCH

BOARD

KEYPAD DISPLAY

RIBBON CABLE

H027_2524ACA

GROUND CABLE

WASHER

HEX NUT

XP3210-006 – 18JUL97 5

[9] Use Steps 2 and 3 to check the KEYPAD operation again.

[10] Use the following table to help you select the correct repair procedure.

Malfunction Description Probable Cause/

Corrective Action Procedure Reference

The NUMERIC KEYPAD is not illuminated.

The COPIES and FORMAT DISPLAYS are not illuminated.

The MESSAGE DISPLAY is not illuminated.

The DC-DC

CONVERTER might

have failed. Check and

replace.

Replacing the DC-DC

CONVERTER, page 6.

The MESSAGE DISPLAY is not illuminated or the

illumination is not uniform.

The NUMERIC KEYPAD is illuminated.

The COPIES and FORMAT DISPLAYS are illuminated.

The MESSAGE

DISPLAY BOARD

might have failed. Check

and replace.

Replacing the

MESSAGE DISPLAY

BOARD, page 11.

The KEYPAD operation or response is erratic.

The KEYPAD illumination is incorrect or erratic. The KEYPAD

OVERLAY/BOARD

AY might have failed.

Check and replace.

Replacing the

KEYPAD/OVERLAY

BOARD AY, page 13.

MISCELLANEOUS PUBLICATION

6 18JUL97 – XP3210-006

Replacing the DC-DC CONVERTER

Possible damage from electrostatic discharge.

ESD

[1] Remove the four SCREWS and WASHERS from

thebackoftheKEYPAD.KeeptheSCREWSand

WASHERS.

[2] Carefully lift the KEYPAD OVERLAY/

CIRCUIT BOARD ASSEMBLY out of the

KEYPAD.

Caution

Be careful not to damage the wires and ribbon cables

attached to the ASSEMBLY.

[3] Check the KEYPAD OVERLAY/BOARD

ASSEMBLY for damage.

Note

There are plastic STANDOFFS between the KEYPAD

OVERLAY and CIRCUIT BOARD. If only one or two

STANDOFFS are broken, continue with the next step.

If more than two of the plastic STANDOFFS are

broken, you should replace the KEYPAD OVERLAY/

CIRCUIT BOARD ASSEMBLY. Advance to the

procedure Replacing the KEYPAD OVERLAY/

CIRCUIT BOARD ASSEMBLY on page 13.

H027_2516AC

SCREWS

H027_2516ACA

H027_2517AC

H027_2517ACA

KEYPAD OVERLAY

CIRCUIT BOARD

PLASTIC

STANDOFFS

XP3210-006 – 18JUL97 7

[4] Locate the DC-DC CONVERTER.

Important

There are 2 styles of DC-DC CONVERTER. You can

replace the DC-DC CONVERTER only if it is the same

style as the DC-DC CONVERTER replacement, Part

Number 981821, in the KEYPAD Repair Kit.

[5] Compare the DC-DC CONVERTER on the

CIRCUIT BOARD to the replacement DC-DC

CONVERTER in the Repair Kit.

[6] If the DC-DC CONVERTER on the CIRCUIT

BOARD is the same style as the replacement part,

advance to Step 7.

If the DC-DC CONVERTER is not the same style

as the replacement part, you must replace the

KEYPAD OVERLAY/CIRCUIT BOARD

ASSEMBLY. Advance to the procedure

Replacing the KEYPAD OVERLAY/

CIRCUIT BOARD ASSEMBLY on page 13.

[7] Use the following table to help you measure the

input and output voltages of the DC-DC

CONVERTER. The KEYPAD must be energized

to check the voltage.

Caution

Be careful not to cause a short circuit between any of

the pins on the DC-DC CONVERTER.

[8] If the input and output voltages are correct,

advance to the procedure Replacing the

KEYPAD OVERLAY/BOARD ASSEMBLY

on page 13.

[9] If either voltage is not correct, continue with the

next step.

Voltmeter Connections

Red Black

(ground) Requirement (VDC)

Pin 1 C36 > +7.0 Volts (Input)

Pin 3 C36 5.0 +/- 0.1 Volts (Output)

H027_2528AC

H027_2528ACA

BOARD AY

DC-DC CONVERTER

KEYPAD

OVERLAY/

H027_2518AC

CONVERTER

DC-DC

GROUND LEAD

METER

VOLT-OHM

C36 CAPACITOR

PIN 3

PIN 2

PIN 1

H027_2518ACA

MISCELLANEOUS PUBLICATION

8 18JUL97 – XP3210-006

[10] De-energize the LASER PRINTER or IMAGE

MANAGER.

[11] Loosen and remove the plastic BUSHINGS from

the back of the CIRCUIT BOARD. Keep the

BUSHINGS.

[12] Separate the KEYPAD OVERLAY from the

CIRCUIT BOARD. Be careful not to damage the

RIBBON CABLE between them.

[13] Remove the solder from the pins connecting the

DC-DC CONVERTER to the CIRCUIT BOARD.

Important

Two of the pins on the DC-DC CONVERTER are

wider at one end and the third pin is uniformly narrow.

Insert the narrow pin into the hole at the edge of the

BOARD.

[14] Insert the pins of the new DC-DC CONVERTER

through the correct holes in the CIRCUIT

BOARD.

[15] Solder the pins of the DC-DC CONVERTER to

the CIRCUIT BOARD.

[16] Remove the paper from the adhesive pad on the

back of the DC-DC CONVERTER.

[17] Bend the pins and press the DC-DC

CONVERTERso that the adhesive padadheres to

the CIRCUIT BOARD.

Caution

Be careful not to cause a short circuit between the pins.

[18] Energize the LASER PRINTER or IMAGE

MANAGER.

H027_2519AC

CABLE

RIBBON

OVERLAY

KEYPAD

DC-DC CONVERTER

CIRCUIT BOARD

BUSHINGS

H027_2519ACA

H027_2520GC

PINS

BOARD

CIRCUIT

CONVERTER

DC-DC

H027_2520GCA

XP3210-006 – 18JUL97 9

[19] Measure the input and output voltages of the new

DC-DC CONVERTER and compare these

voltages to the table. If the voltages are not

correct, advance to the procedure Replacing the

KEYPAD OVERLAY/BOARD ASSEMBLY

on page 13.

[20] Iftheinputandoutputvoltagesofthenew DC-DC

CONVERTER are correct and none of the

STANDOFFS are broken, assemble the

KEYPAD OVERLAY and the CIRCUIT

BOARD using the 4 BUSHINGS. Advance to

Step 26.

[21] If 1 or 2 STANDOFFS are broken, remove any

pieces of the old STANDOFFS from the back of

the KEYPAD OVERLAY. The area where you

attach the new STANDOFFS must be flat.

Sandpaper or a file can be used to make the area

flat.

A broken STANDOFF could be repaired with

adhesive if the pieces can be aligned.

[22] Install each new STANDOFF and BUSHING.

Warning

Do not allow adhesive to contact skin.

[23] Place one drop of Loktite 414 ADHESIVE to the

end of each new STANDOFF.

[24] Assemble the KEYPAD OVERLAY and

CIRCUIT BOARD. Attach and tighten

BUSHINGS to the existing STANDOFFS.

[25] Apply pressure to the KEYPAD OVERLAY/

CIRCUIT BOARD ASSEMBLY for 60 seconds

until the ADHESIVE is dry enough to handle.

Important

Handle the ASSEMBLY carefully. The ADHESIVE

does not reach full strength for 24 hours.

[26] Place the KEYPAD OVERLAY/BOARD

ASSEMBLYinto the KEYPAD. Be careful not to

damage the RIBBON CABLES and other wires.

[27] Inset the four screws and washers into the back of

the KEYPAD and tighten them. If any SCREWS

are broken, replace them.

H027_2521AC

SURFACE

PREPARED

OVERLAY

KEYPAD

BOARD

CIRCUIT

STANDOFFS

EXISTING BUSHING

NEW STANDOFF

H027_2521ACA

MISCELLANEOUS PUBLICATION

10 18JUL97 – XP3210-006

[28] Use the procedure Diagnosing the KEYPAD

Malfunction on page 3 to check for the correct

operation of the KEYPAD.

[29] Use any available diagnostics or equipment to

check the correct operation of all the KEYPAD

components and functions. For example, on some

equipment you can use the “KEYPAD LED/Tone

Test”and“KEYPADRecognition Test”underthe

Diagnostic Functions of the Interface CES Main

Menu.

[30] If the KEYPAD does not operate correctly,

replace it.

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