Kodak Ektascan 2180 Manuale utente
HEALTH IMAGING
© Eastman Kodak Company
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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