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Illustration: FO-77
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 ............................... 1-9
[6] Quick setup guide (UX-66U only) ............ 1-10
CHAPTER 2. ADJUSTMENTS
[1] Adjustments .............................................. 2-1
[2] Diagnostics and service soft switch .......... 2-2
[3] Troubleshooting ...................................... 2-18
[4] Error code table ....................................... 2-19
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
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.
SERVICE MANUAL
CONTENTS
SHARP CORPORATION
FACSIMILE
MODEL
CHAPTER 5. CIRCUIT DESCRIPTION
[1] Circuit description ..................................... 5-1
[2] Circuit description of control PWB ............ 5-2
[3] Circuit description of TEL/LIU PWB .......... 5-9
[4] Circuit description of
power supply PWB ............................ 5-12
[5] Circuit description of CIS unit ...................5-12
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 ...................... 6-13
[4] Operation panel PWB circuit ................... 6-15
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 .......................................... 8-4
PARTS GUIDE
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
FO-77U
UX-66U
No. 00ZFO77U//SME
FO-77
UX-66
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Summary of Contents for Sharp FO-77
- Page 1 UX-66U SERVICE MANUAL No. 00ZFO77U//SME FACSIMILE FO-77 UX-66 MODEL Illustration: FO-77 CONTENTS CHAPTER 1. GENERAL DESCRIPTION CHAPTER 5. CIRCUIT DESCRIPTION [1] Specifications ..........1-1 [1] Circuit description ........5-1 [2] Operation panel ......... 1-2 [2] Circuit description of control PWB .... 5-2 [3] Transmittable documents ......
- Page 2 FO-77U UX-66U CAUTION FOR BATTERY REPLACEMENT (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.
- Page 3 Length: 5.5 to 23.6" (140 to 600 mm) 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.
- Page 4 FO-77U UX-66U [2] Operation panel RECEPTION MODE FUNCTION RESOLUTION TEL FAX TEL FAX DOWN VOLUME A.M. SPEED DIAL STOP SPEED DIAL VOLUME REDIAL COPY/HELP STOP REDIAL HOLD/ PQRS WXYZ FUNCTION SEARCH PQRS WXYZ RESOLUTION/ START COPY/ HOLD/SEARCH RECEPTION MODE SPEAKER HELP START SPEAKER...
- Page 5 FO-77U UX-66U [3] Transmittable documents 5. Automatic Document Feeder Capacity Number of pages that can be placed into the feeder at anytime is as 1. Document Sizes follows: Normal size: max. ADF 5 sheets width 5.8" – 8.5" (148 – 216 mm) Normal size Special size: single sheet only (manual feed) length...
- Page 6 FO-77U UX-66U TELEPHONE JACK 7. Use of Document Carrier Sheet A standard RJ11C telephone jack must be located near the machine. A document carrier sheet must be used for the following documents. This is the telephone jack commonly used in most homes and offices. •...
- Page 7 FO-77U UX-66U Insert one end of the line cord into the jack on the back of the ma- Flip up the front paper guide. chine marked TEL. LINE. Insert the other end into a standard (RJ11C) single-line wall telephone jack. Note: The fax machine is set for touch-tone dialing.
- Page 8 FO-77U UX-66U 4. Loading the thermal paper (FO-20PRw) Insert the leading edge of the paper into the slot as shown. Continue to push the paper through the slot until it comes out the opening in • Your fax machine prints incoming faxes on a special kind of paper the front of the machine.
- Page 9 FO-77U UX-66U 5. Clearing a jammed document Flip down the green levers on each side of the white roller. If the original document doesn’t feed properly during transmission or copying, or DOCUMENT JAMMED appears in the display, first try press- ing the START key.
- Page 10 FO-77U UX-66U 6. Clearing jammed paper Cut off the wrinkled part of the paper. If the thermal paper jams, PAPER JAMMED will appear in the display. Follow the steps below to clear the jam. Grasp the finger hold and pull up to open the operation panel. Reload the paper.
- Page 11 FO-77U UX-66U SENDING FAXES [5] Quick reference guide ENTERING YOUR NAME AND NUMBER Place your document (up to 5 pages) FUNCTION 1. Press: face down in the document feeder. Display shows: OWN NUMBER SET START 2. Press: 3. Enter your fax number (max. of 20 digits) by pressing the number keys. •...
- Page 12 FO-77U UX-66U [6] Quick setup guide (UX-66U only) UX-66 FAX Note: To enter your name and fax number and set the date and time so that they appear on the automatic cover sheet, QUICK SETUP GUIDE see pages 19 - 25 of your operation manual. Connect the handset Remove the packing paper.