Sharp UX-178 User manual

1 - 1
UX-178C/188C/108C/118C
FO-175LU/375C
No. 00ZUX178C/SME
CHAPTER 1. GENERAL DESCRIPTION
[1] Specifications ............................................ 1-1
[2] Operation panel......................................... 1-2
[3] Transmittable documents .......................... 1-3
[4] Installation ................................................. 1-4
[5] Quick reference guide ............................... 1-7
CHAPTER 2. ADJUSTMENTS
[1] Adjustments............................................... 2-1
[2] Diagnostics and service soft switch .......... 2-2
[3] Troubleshooting...................................... 2-17
[4] Error code table....................................... 2-18
CHAPTER 3. MECHANISM BLOCKS
[1] General description .................................. 3-1
[2] Disassembly and assembly
procedures ....................................... 3-3
CHAPTER 4. DIAGRAMS
[1] Block diagram ............................................4-1
[2] Wiring diagram .......................................... 4-2
[3] Point-to-point diagram............................... 4-3
CHAPTER 5. CIRCUIT DESCRIPTION
[1] Circuit description...................................... 5-1
[2] Circuit description of control PWB..............5-2
[3] Circuit description of TEL/LIU PWB .......... 5-8
[4] Circuit description of
power supply PWB............................5-11
[5] Circuit description of CIS unit...................5-11
CHAPTER 6. CIRCUIT SCHEMATICS AND
PARTS LAYOUT
[1] Control PWB circuit ................................... 6-1
[2] TEL/LIU PWB circuit ................................. 6-9
[3] Power supply PWB circuit ....................... 6-11
[4] Operation panel PWB circuit ................... 6-13
CHAPTER 7. OPERATION FLOWCHART
[1] Protocol ..................................................... 7-1
[2] Power on sequence .................................. 7-2
CHAPTER 8. OTHERS
[1] Service tools.............................................. 8-1
[2] IC signal name .......................................... 8-3
PARTS GUIDE
CONTENTS
FACSIMILE
UX-178
UX-188
UX-108
UX-118
FO-175
MODEL FO-375
Parts marked with " " is important for maintaining the safety of the set. Be sure to replace these parts with specified ones for
maintaining the safety and performance of the set.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
SHARP CORPORATION
SERVICE MANUAL
Non Cutter model Cutter model
UX-108/118 UX-178/188
FO-175 FO-375
Illustration: UX-178

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UX-178C/188C/108C/118C
FO-175LU/375C
(Danish) ADVARSEL !
Lithiumbatteri-Eksplosionsfare ved fejlagtig håndtering.
Udskiftning må kun ske med batteri af samme fabrikat og type.
Levér det brugte batteri tilbage til leverandoren.
(English) Caution !
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type
recommended by the equipment manufacturer.
Discard used batteries according to manufacturer’s
instructions.
(Finnish) VAROITUS
Paristo voi räjähtää, jos se on virheellisesti asennettu.
Vaihda paristo ainoastaan laitevalmistajan suosittelemaan
tyyppiin. Hävitä käytetty paristo valmistajan ohjeiden
mukaisesti.
(French) ATTENTION
Il y a danger d’explosion s’ il y a remplacement incorrect
de la batterie. Remplacer uniquement avec une batterie du
même type ou d’un type recommandé par le constructeur.
Mettre au rébut les batteries usagées conformément aux
instructions du fabricant.
(Swedish) VARNING
Explosionsfare vid felaktigt batteribyte.
Använd samma batterityp eller en ekvivalent
typ som rekommenderas av apparattillverkaren.
Kassera använt batteri enligt fabrikantens
instruktion.
(German) Achtung
Explosionsgefahr bei Verwendung inkorrekter Batterien.
Als Ersatzbatterien dürfen nur Batterien vom gleichen Typ oder
vom Hersteller empfohlene Batterien verwendet werden.
Entsorgung der gebrauchten Batterien nur nach den vom
Hersteller angegebenen Anweisungen.
CAUTION FOR BATTERY REPLACEMENT

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UX-178C/188C/108C/118C
FO-175LU/375C
CHAPTER 1. GENERAL DESCRIPTION
[1] Specifications
Automatic dialing: Rapid Key Dialing: 10 numbers
Speed Dialing: 20 numbers
Fax paper: Initial starter roll (included with fax
machine): 10 m (49 ft.) roll
Recommended replacement roll:
FO-40PRw 50 m (164 ft.) roll
Automatic document feeder: 10 sheets max.
Paper cutting method: UX-108/118/FO-175: Tear off by hand
UX-178/188/FO-375: Automatic cutter
Modem speed: 9600 bps with automatic fallback to
7200, 4800, or 2400 bps
Transmission time* : Approx. 15 seconds (Sharp special mode)
Display: 16-digit LCD display
Reception modes: Auto/Manual/Answering machine
(for connecting answering machine)
Resolution: Horizontal:
8 dots/mm (203 pels/inch)
Vertical:
Standard: 3.85 lines/mm
(98 lines/inch)
Fine/Halftone: 7.7 lines/mm
(196 lines/inch)
Super fine: 15.4 lines/mm
(391 lines/inch)
Recording system: Thermal recording
Halftone (grayscale): 64 levels
Applicable telephone line: Public switched telephone network
Compatibility: ITU-T (CCITT) G3 mode
Configuration: Half-duplex, desktop transceiver
Compression scheme: MH, MR, Sharp
Scanning method: Sheet-feeder CIS (Contact Image Sensor)
Effective recording width: 210 mm (8.3") max.
Input document size: Automatic feeding:
Width 148 to 216 mm
(5.8 to 8.5")
Length 140 to 279 mm
(5.5 to 11")
Manual feeding:
Width 148 to 216 mm
(5.8 to 8.5")
Length 140 to 600 mm
(5.5 to 23.6")
Effective scanning width: 210 mm (8.3") max.
Contrast control: Automatic/Dark selectable
Copy function: Standard
Telephone function: Standard
(cannot be used if power fails)
Power requirements: 120 V AC, 60 Hz
Operating environment: 5 to 35°C (41 to 95°F)
Humidity: Maximum: 85 %
Power consumption: Stand-by: 6.0 W
Maximum: 100 W
Dimensions: Width: 308 mm (12.1")
Depth: 256 mm (10.4")
Height: 138 mm (5.4")
Weight: UX-108/118/FO-175:
Approx. 2.5 kg (5.5 lbs.)
UX-178/UX-188/FO-375:
Approx. 2.6 kg (5.7 lbs.)
* BasedonITU-T(CCITT)Test Chart#1atstandard resolution in Sharp
special mode, excluding time for protocol signals (i.e., ITU-T phase C
time only).
As a part of our policy of continuous improvement, SHARP reserves the right to make design and specification changes for procduct
improvement without prior notice. The performance specifications figures indicated are nominal values of production units. There may be some
deviation from these values in individual units.

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UX-178C/188C/108C/118C
FO-175LU/375C
[2] Operation panel
11 12 13 14
10
89
1456
23
TEL FAX
RECEPTION
MODE
RESOLUTIONFUNCTION
DOWN VOLUME UP
A.M.
SPEED DIAL
REDIAL
SPEAKER
12
34
56
78
910/POLL
15
7
ABC DEF
JKL MNO
GHI
TUV WXYZ
PQRS
START
STOP
COPY/HELP
HOLD/SEARCH
1. Display
This displays various messages and prompts during
operation and programming.
2. PANEL RELEASE
Pull this release toward you to open the operation
panel.
3. RECEPTION MODE key
Press this key to select the reception mode. An arrow
in the display will point to the currently selected reception
mode.
4. FUNCTION key
Press this key to select various special function.
5. RESOLUTION key
Press this key to adjust the resolution and contrast before
sending or copying a document.
6. VOLUME keys
Press these keys to adjust the volume of the handset when
the handset is lifted, the volume of the speaker when the
SPEAKER key has been pressed, or the volume of the ringer
at all other times.
7. STOP key
Press this key to stop operations before they are completed.
8. Number keys
Use these keys to dial numbers, and enter number and letters
during number/name storing procedures.
9. SPEED DIAL key
Press this key to dial a 2-digit Speed Dial number.
10. REDIAL key
Press this key to automatically redial the last number
dialed.
11. SPEAKER key
Press this key to hear the line and fax tones through the
speaker when sending a document.
Note: This is not a speakerphone. You must pick up the
handset to talk with the other party.
12. HOLD/SEARCH key
Press this key to search for an automatic dialing number,
or, during a phone conversation, press this key to put the
other party on hold.
13. Rapid Dial keys
Press one of these keys to dial a fax or voice number
automatically. (Note that you must attach the Rapid Key
labels.)
14. START key
Press this key to send or receive a document.
15. COPY/HELP key
When a document is in the feeder, press this key to make
a copy. At any other time, press this key to print out the
Help List, a quick refernce guide to the opeation of your
fax.

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UX-178C/188C/108C/118C
FO-175LU/375C
[3] Transmittable documents
1. Document Sizes
* With special sizes, only one sheet can be fed into the machine at a
time. Insert next page into feeder as current page is being scanned.
2. Paper Thickness & Weight
3. Document Types
• Normal paper
Documents handwritten in pencil (No. 2 lead or softer), fountain pen,
ball-point pen, or felt-tipped pen can be transmitted.
Documents of normal contrast duplicated by a copying machine can
also be transmitted.
• Diazo copy (blue print)
Diazo copy documents of a normal contrast may be transmitted.
• Carbon copy
A carbon copy may be transmitted if its contrast is normal.
4. Cautions on Transmitting Documents
• Documents written in yellow, greenish yellow, or light blue ink cannot
be transmitted.
• Ink, glue, and correcting fluid on documents must be dry before the
documents can be transmitted.
• All clips, staples and pins must be removed from documents be-fore
transmission.
• Patched (taped) documents should be copied first on a copier and
then the copies used for transmission.
• All documents should be fanned before insertion into the feeder to
prevent possible double feeds.
Normal size width 148 – 216 mm
length 140 – 279 mm
5. Automatic Document Feeder Capacity
Number of pages that can be placed into the feeder at anytime is as
follows:
Normal size: max. ADF 10 sheets
Special size: single sheet only (manual feed)
NOTES: •Whenyouneed to send or copymorepagesthan the feeder
limit, place additional pages in feeder when last page in
feeder is being scanned.
•Place additional pages carefully and gently in feeder.
If force is used, double-feeding or a document jam may
result.
6. Readable Width & Length
The readable width and length of a document are slightly smaller than
the actual document size.
Note that characters or graphics outside the effective document scan-
ning range will not be read.
•Readable width
210 mm, max.
•Readable length
This is the length of the document sent minus 4 mm (0.16") from the top
and bottom edges.
Use document carrier sheet for smaller documents.
Readable width
(Min.)
(Max.)
Leter size
(Max.)
140mm 279mm
600mm
148mm 216mm
[Normal size] 216mm [Special size]
Normal size ADF 10
sheets
2.4 x 10–3 –4.7 x 10–3 inch
(0.06–0.12 mm)
Thickness
Weight 0.15 x 10–3 lbs/inch2
(52–104g/m2)
(14–28lbs)
Special size Thickness 4.7 x 10–3 –7.9 x 10–3 inch
(0.12–0.20 mm)
0.15 x 10–3 –0.20 x 10–3 lbs/inch2
(52–157 g/m2)
Weight
4mm(0.16")
4mm(0.16")
Readable length

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UX-178C/188C/108C/118C
FO-175LU/375C
7. Use of Document Carrier Sheet
A document carrier sheet must be used for the following documents.
•Those with tears.
•Those smaller than size 140 mm (W) x 140 mm (L).
•Carbon-backed documents
NOTE: To transmit a carbon-backed document, insert a white sheet of
paper between the carbon back of the document and the docu-
ment carrier.
•Those containing an easily separable writing substance (e.g., trac-
ing paper written on with a soft, heavy lead pencil).
NOTES: •When using the document carrier, carefully read the in-
structions written on the back.
•If the document carrier is dirty, clean it with a soft, moist
cloth, and then dry it before using for transmission.
•Do not place more than one document in the carrier at a
time.
[4] Installation
1. Site selection
Take the following points into consideration when selecting a site for this
model.
ENVIRONMENT
•The machine must be installed on a level surface.
•Keep the machine away from air conditioners, heaters, direct sun-
light, and dust.
•Provide easy access to the front, back, and sides of the machine. In
particular, keep the area in front of the machine clear, or the original
document may jam as it comes out after scanning.
•The temperature should be between 5°and 35°C.
•The humidity should be between 30% and 85% (without conden-
sation).
ELECTRICITY
120V, 60Hz, grounded (3-prong) AC outlet is required.
Caution!
•Connection to a power source other than that specified will cause
damage to the equipment and is not covered under the warranty.
•Ifyourareaexperiences a high incidence of lightning orpowersurges,
we recommend that you install a surge protector for the power and
telephonelines.Surge protectors canbepurchasedatmosttelephone
specialty stores.
If the machine is moved from a cold to a warm place...
If the machine is moved from a cold to a warm place, it is possible that
the reading glass may fog up, preventing proper scanning of documents
for transmission. To remove the fog, turn on the power and wait approxi-
mately 2 hours before using the machine.
TELEPHONE JACK
A standard RJ11C telephone jack must be located near the machine.
This is the telephone jack commonly used in most homes and offices.
•Plugging the fax machine into a jack which is not an RJ11C jack may
result in damage to the machine or your telephone system. If you do
notknowwhat kind of jack you have, or needed to have one installed,
contact the telephone company.
2. Connections
1 Connect the handset as shown and place it on the handset rest.
♦Make sure the handset cord goes into the unmarked jack on the
side of the machine!
♦Use the handset to make ordinary phone calls, or to transmit and
receive documents manually.
2 Plug the power cord into a 120 V, 60 Hz, grounded (3-prong) AC
outlet.
♦Caution: Do not plug the power cord into any other kind of outlet.
This will damage the machine and is not covered under the war-
ranty.
♦The machine does not have a power on/off switch, so the power
is turned on and off by simply plugging or unplugging the power
cord.
Note: If your area experiences a high incidence of lightning or power
surges, we recommend that you install surge protectors for the
power and telephone lines. Surge protectors can be purchased
from your dealer or at most telephone specialty stores.
3 Insert one end of the telephone line cord into the "TEL. LINE" jack.
Insert the other end into a standard (RJ11C) single-line telephone
wall jack.
♦Be sure to insert the telephone line cord into the "TEL. LINE"
jack. Do not insert into the "TEL. SET" jack.
Direction of insertion
Make print straight
across paper
E.G.
Place the document
carrier in the document
feeder with the clear film
side down
TEL.
SET TEL.
LINE

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UX-178C/188C/108C/118C
FO-175LU/375C
3. Original document support
1 Rotate the original document support so that it points straight out.
4. Loading the fax paper
• Your fax machine prints incoming faxes on a special kind of paper
called thermal paper.
• The fax’s print head creates text and images by applying heat to
the thermal paper.
Note: The power must be on (plug in the power cord) when loading
fax paper in the fax machine.
1 Pull the release marked PANEL RELEASE toward you and open the
operation panel.
2 Remove the packing paper from the paper compartment.
4 Unwrap the roll of fax paper and place it in the compartment.
•Important: The roll must be placed so that the leading edge of
the paper unrolls as shown. (The paper is only coated on one
side for printing. If the roll is placed backwards, the paper will
come out blank after printing.)
5 Insert the leading edge of the paper into the paper inlet. Continue to
push the paper through the inlet until it comes out of the opening in
the front of the fax.
6 Close the operation panel, making sure it clicks into place.
7 UX-108/118/FO-175: A short length of the fax paper will feed out.
Grasp the paper by the edge and pull upward to tear it off.
UX-178/UX-188/FO-375:A short length of the fax paper will feed out
and be cut off. (If this doesn’t happen, repeat the loading procedure.)
Note: The UX-178/UX-188/FO-375 has a built-in anti-curl mecha-
nism that will help to reduce paper curling problems. The anti-
curl mechanism is more effective at the beginning of the paper
roll and less effective towards the end.
3 Make sure the ends of the guide wire are inserted in the holes. (If the
guide wire is not inserted correctly, out-of-paper detection will not be
possible.).
YES
NO!
Paper inlet
The paper will reappear here. Make
sure it is aligned between the arrows
on each side of the guide, and then
passes under the plate and out the
front of the fax.
1
2
Click!
Remove cardboard and tape UX-108/118/FO-175:
Remove the tape

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UX-178C/188C/108C/118C
FO-175LU/375C
4. Clearing a jammed document
If the original document doesn’t feed properly during transmission or
copying,orDOCUMENTJAMMED appears in the display, first try press-
ing the START key. If the document doesn’t feed out, open the opera-
tion panel and remove it.
Important: Do not try to remove a document without opening the op-
eration panel. This may damage the feeder mechanism.
1 Pull the release marked PANELRELEASE toward you and open the
operation panel.
2 Remove the document.
5. Clearing jammed fax paper
1 Pull the release marked PANELRELEASE toward you and open the
operation panel.
2 Remove the paper roll.
•UX-178/188/FO-375: If any pieces of paper are stuck in the cut-
ter, remove them with caution.
•UX-178/188/FO-375: Press the START key to reset the cutter.
3 Cut off the wrinkled part of the paper.
4 Reload the paper.
• Jammed fax paper is often caused by improper loading. Be sure
tocarefullyfollowtheinstructionsforpaperloadinggivenin"Load-
ing the Fax Paper" in page 1-5.
5 Ifthedisplaystillshows PAPER JAMMED(UX-178/188/FO-375 only)
Ifthedisplay still shows PAPER JAMMED after you press theSTART
key in Step 2 above, the cutter is still engaged in the cutting position.
To open the cutter, turn the fax up on its rear end and insert any long,
rod-like object with a flat or blunt end into the hole marked CUTTER
RESET. Continue to push the rod in until you feel it move a lever
inside the machine.
CUTTER
RESET
SPEED DIAL
REDIAL
HOLD/SEARCH
SPEAKER
ABC DEF
JKL MNOGHI
TUV WXYZ
PQRS
Press this key to delete
the letter highlighted by
the cursor.
Press this key to change
case.
Press this key to move
the cursor to the left.
Press this key to move
the cursor to the right.
Press either key repeatedly to select
one of the following symbols.

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UX-178C/188C/108C/118C
FO-175LU/375C
[5] Quick reference guide
INSTALLATION
1. Connect the handset as shown.
2. Plug the power cord into a grounded, 120 V outlet.
3. Plug one end of the telephone line into the "TEL. LINE" jack on the rear of the
fax, and the other end into your telephone wall jack.
Connecting an answering machine and/or extension telephone
1. Remove the seal covering the "TEL. SET" jack on the rear of the fax. Connect
an extension telephone or answering machine to the "TEL. SET" jack.
2. If desired, connect an extension phone to the answering machine.
ENTERING YOUR NAME AND NUMBER
1. Press:
FUNCTION
3
Display shows: OWN NUMBER SET
2. Press:
3. Enter your fax number (max. of 20 digits) by pressing the number keys.
♦If you make a mistake, press the HOLD/SEARCH key to move the cursor
back to the mistake, then enter the correct number or letter.
4. Press:
5. Enter your name by pressing the appropriate number keys as shown below.
♦To entertwoletters in successionthatrequirethe same key,press theSPEAKER
key after entering the first letter.
TEL.
SET TEL.
LINE
A =
B =
C =
D =
E =
F =
G =
H =
I =
J =
K =
L =
M =
N =
O =
P =
Q =
R =
S =
T =
U =
V =
W =
X =
Y =
Z =
SPACE =
Press either key one or more times to select
and enter a symbol.
6. When finished, press:
SETTING THE DATE AND TIME
Press:
Display: DATE & TIME SET
Press the START key:
Enter two digits for the Month (01 through 12).
Enter two digits for the Day (01 through 31).
Enter four digits for the Year (EX: 1998).
Enter two digits for the Hour (01 through 12).
Enter two digits for the Minute (00 through 59).
Press the " " key forA.M. or the "#" key for P.M.
When finished, press:
STORING AND CLEARING NUMBERS FOR AUTO DIALING
1. Press:
Display shows: FAX/TEL # MODE
2. Press "1" to store a number or "2" to clear a number.
3. Enter a 2-digit Speed Dial number (from "01" to "10" for Rapid Key Dialing, or
11 to 30 for Speed Dialing). (If you are clearing a number, go to Step 7.)
4. Enter the full telephone/fax number.
5. Press:
6. Enter the name of the location by pressing number keys (max. of 20 charac-
ters). (Refer to the letter entry table in
ENTERING YOUR NAME AND
NUMBER
.)
7. Press:
SENDING DOCUMENTS
START
START
START
STOP
START
FUNCTION
3
START
STOP
START
Place your document (up to 10
pages) face down in the docu-
ment feeder.
Normal Dialing
1. Lift the handset or press
2. Dial the fax number.
3. Wait for the reception tone (if a person answers, ask them to press their Start
key).
4. Press:
START
Rapid Key Dialing
Press the appropriate Rapid Key. Transmission will begin automatically.
Speed Dialing
1. Press:
2. Enter 2-digit Speed Dial number.
3. Press:
RECEIVING DOCUMENTS
Press:
FAX mode: The fax automatically answers on four rings and receives the incoming
document.
TEL mode:
A.M. mode: Select this mode when an answering machine is connected to the fax
and the answering machine is turned on.
SPEAKER
SPEED DIAL
START
FAX
TEL
A.M.
FAX
TEL
A.M.
FAX
TEL
A.M.
FEB 1 1998
FEB 1 1998
FEB 1 1998
RECEPTION
MODE
STOP
START
FUNCTION 3
TEL.
SET TEL.
LINE
1
3
2
SPEED DIAL
REDIAL
HOLD/SEARCH
SPEAKER
ABC DEF
JKL MNO
GHI
TUV WXYZ
PQRS
Deletes highlighted
letter
Upper/lower case
shift key
Moves cuesor to the
left
Moves cuesor to the
right
Fax
tone
START
RECEIVING