Read Panasonic KX-MB773RU / KX-MB773UA (serv.man8) Service Manual online
ORDER NO. KMF0709108CE
Multi-Function printer
KX-MB773RU
KX-MB773UA
KX-MB773UA
(for Russia)
(for Ukraine)
(for Ukraine)
2
KX-MB773RU/UA
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions -----------------------------------------------3
1.1. FOR SERVICE TECHNICIANS ------------------------3
1.2. AC CAUTION -----------------------------------------------3
1.3. PERSONAL SAFETY PRECAUTIONS --------------4
1.4. SERVICE PRECAUTIONS ------------------------------4
1.2. AC CAUTION -----------------------------------------------3
1.3. PERSONAL SAFETY PRECAUTIONS --------------4
1.4. SERVICE PRECAUTIONS ------------------------------4
2 Warning --------------------------------------------------------------5
2.1. ABOUT LEAD FREE SOLDER (PbF: Pb free) -----5
2.2. Discarding of P. C. Board --------------------------------5
2.3. INSULATION RESISTANCE TEST--------------------6
2.4. BATTERY CAUTION --------------------------------------6
2.5. LASER BEAM AND FUSER UNIT SECTION ------6
2.2. Discarding of P. C. Board --------------------------------5
2.3. INSULATION RESISTANCE TEST--------------------6
2.4. BATTERY CAUTION --------------------------------------6
2.5. LASER BEAM AND FUSER UNIT SECTION ------6
3 Specifications ------------------------------------------------------7
4 General/Introduction ---------------------------------------------8
4 General/Introduction ---------------------------------------------8
4.1. OPTIONAL ACCESSORIES ----------------------------8
4.2. Translation Lists --------------------------------------------8
4.2. Translation Lists --------------------------------------------8
5 Features ------------------------------------------------------------ 10
5.1. General Features----------------------------------------- 10
5.2. HARDWARE REQUIREMENTS FOR MULTI-
5.2. HARDWARE REQUIREMENTS FOR MULTI-
FUNCTION SOFTWARE------------------------------- 10
6 Technical Descriptions---------------------------------------- 11
6.1. CONNECTION DIAGRAM ----------------------------- 11
6.2. GENERAL BLOCK DIAGRAM------------------------ 12
6.3. MAIN BOARD SECTION------------------------------- 14
6.4. NCU SECTION ------------------------------------------- 26
6.5. ITS (Integrated telephone System) and
6.2. GENERAL BLOCK DIAGRAM------------------------ 12
6.3. MAIN BOARD SECTION------------------------------- 14
6.4. NCU SECTION ------------------------------------------- 26
6.5. ITS (Integrated telephone System) and
MONITOR SECTION------------------------------------ 27
6.6. CIS CONTROL SECTION ----------------------------- 28
6.7. MOTOR DRIVE SECTION----------------------------- 29
6.8. TIMING CHART AND WAVE FORM OF
6.7. MOTOR DRIVE SECTION----------------------------- 29
6.8. TIMING CHART AND WAVE FORM OF
SCANNER MOTORS ----------------------------------- 33
6.9. FAN MOTOR SECTION -------------------------------- 36
6.10. SOLENOID DRIVER SECTION ---------------------- 38
6.11. LSU (Laser Scanning Unit) SECTION -------------- 39
6.12. SENSORS AND SWITCHES SECTION ----------- 41
6.13. OPERATION BOARD SECTION--------------------- 49
6.14. LCD SECTION-------------------------------------------- 50
6.15. HVPS (High Voltage Power Supply)
6.13. OPERATION BOARD SECTION--------------------- 49
6.14. LCD SECTION-------------------------------------------- 50
6.15. HVPS (High Voltage Power Supply)
SECTION--------------------------------------------------- 51
6.16. HEAT LAMP CONTROL CIRCUIT------------------- 53
6.17. Main Board Section-------------------------------------- 58
6.18. POWER SUPPLY BOARD SECTION -------------- 61
6.19. Mechanical Operation----------------------------------- 62
6.17. Main Board Section-------------------------------------- 58
6.18. POWER SUPPLY BOARD SECTION -------------- 61
6.19. Mechanical Operation----------------------------------- 62
7 Location of Controls and Components------------------ 64
7.1. OVERVIEW------------------------------------------------ 64
7.2. CONTROL PANEL--------------------------------------- 65
7.2. CONTROL PANEL--------------------------------------- 65
8 Installation Instructions--------------------------------------- 66
8.1. INSTALLATION ------------------------------------------- 66
8.2. CONNECTIONS------------------------------------------ 78
8.2. CONNECTIONS------------------------------------------ 78
9 Operation Instructions ---------------------------------------- 79
9.1. YOUR LOGO--------------------------------------------- 79
10 Test Mode---------------------------------------------------------- 81
10.1. TEST FUNCTIONS -------------------------------------- 81
11 Service Mode ----------------------------------------------------- 85
11.1. PROGRAMMING AND LISTS ------------------------ 85
11.2. USER MODE (The list below is an example of
11.2. USER MODE (The list below is an example of
the SYSTEM SETUP LIST the unit prints out.) --- 89
11.3. SERVICE MODE SETTINGS (Example of a
printed out list) -------------------------------------------- 91
11.4. HISTORY -------------------------------------------------- 92
12 Troubleshooting Guide --------------------------------------- 95
12.1. USER RECOVERABLE ERRORS ------------------ 95
12.2. REMOTE PROGRAMMING -------------------------- 97
12.3. TROUBLESHOOTING DETAILS -------------------102
12.4. DOCUMENT JAMS (AUTO DOCUMENT
12.2. REMOTE PROGRAMMING -------------------------- 97
12.3. TROUBLESHOOTING DETAILS -------------------102
12.4. DOCUMENT JAMS (AUTO DOCUMENT
FEEDER) -------------------------------------------------176
12.5. RECORDING PAPER JAM --------------------------178
13 Service Fixture & Tools--------------------------------------187
14 Disassembly and Assembly Instructions -------------188
14 Disassembly and Assembly Instructions -------------188
14.1. ADF SECTION ------------------------------------------189
14.2. REMOVE ADF SECTION (1)------------------------190
14.3. REMOVE ADF SECTION ----------------------------191
14.4. REMOVE TOP COVER SECTION-----------------192
14.5. REMOVE SCANNER GLASS SECTION---------193
14.6. REMOVE OPERATION PANEL SECTION ------194
14.7. LEFT SIDE SECTION ---------------------------------195
14.8. REMOVE MAIN BOARD -----------------------------195
14.9. REMOVE GEAR CHASSIS SECTION------------196
14.2. REMOVE ADF SECTION (1)------------------------190
14.3. REMOVE ADF SECTION ----------------------------191
14.4. REMOVE TOP COVER SECTION-----------------192
14.5. REMOVE SCANNER GLASS SECTION---------193
14.6. REMOVE OPERATION PANEL SECTION ------194
14.7. LEFT SIDE SECTION ---------------------------------195
14.8. REMOVE MAIN BOARD -----------------------------195
14.9. REMOVE GEAR CHASSIS SECTION------------196
14.10. REMOVE PAPER FEED ROLLER -----------------197
14.11. RIGHT SIDE SECTION ------------------------------- 197
14.12. REMOVE RIGHT SIDE COVER SECTION------198
14.13. LOWER SIDE CABINET SECTION ---------------199
14.14. REMOVE RIGHT CASSETTE GUIDE ------------200
14.15. REMOVE PICK UP BOARD -------------------------200
14.16. REMOVE HIGH VOLTAGE POWER BOARD---201
14.17. REMOVE PICK UP ROLLER UNIT----------------202
14.18. REMOVE LOW VOLTAGE POWER BOARD ---203
14.19. REMOVE FUSER UNIT------------------------------- 204
14.20. Installation Position of The Lead--------------------205
14.13. LOWER SIDE CABINET SECTION ---------------199
14.14. REMOVE RIGHT CASSETTE GUIDE ------------200
14.15. REMOVE PICK UP BOARD -------------------------200
14.16. REMOVE HIGH VOLTAGE POWER BOARD---201
14.17. REMOVE PICK UP ROLLER UNIT----------------202
14.18. REMOVE LOW VOLTAGE POWER BOARD ---203
14.19. REMOVE FUSER UNIT------------------------------- 204
14.20. Installation Position of The Lead--------------------205
15 Maintenance----------------------------------------------------- 211
15.1. MAINTENANCE ITEMS AND COMPONENT
LOCATIONS --------------------------------------------- 211
15.2. MAINTENANCE-----------------------------------------213
15.3. PRINTING OPERATION PRINCIPLE -------------218
15.4. TERMINAL GUIDE OF THE ICs
15.3. PRINTING OPERATION PRINCIPLE -------------218
15.4. TERMINAL GUIDE OF THE ICs
TRANSISTORS AND DIODES----------------------223
15.5. HOW TO REPLACE THE FLAT PACKAGE IC -225
15.6. MAIN BOARD SECTION -----------------------------227
15.7. TEST CHART--------------------------------------------229
15.6. MAIN BOARD SECTION -----------------------------227
15.7. TEST CHART--------------------------------------------229
16 Schematic Diagram -------------------------------------------231
16.1. For Schematic Diagram------------------------------- 231
16.2. MAIN BOARD (1)--------------------------------------- 232
16.3. MAIN BOARD (2)--------------------------------------- 236
16.4. MAIN BOARD (3)--------------------------------------- 238
16.5. MAIN BOARD (4)--------------------------------------- 240
16.6. OPERATION BOARD ---------------------------------242
16.7. SENSOR BOARD --------------------------------------243
16.8. HOOK SWITHC BOARD -----------------------------244
16.2. MAIN BOARD (1)--------------------------------------- 232
16.3. MAIN BOARD (2)--------------------------------------- 236
16.4. MAIN BOARD (3)--------------------------------------- 238
16.5. MAIN BOARD (4)--------------------------------------- 240
16.6. OPERATION BOARD ---------------------------------242
16.7. SENSOR BOARD --------------------------------------243
16.8. HOOK SWITHC BOARD -----------------------------244
17 Printed Circuit Board-----------------------------------------245
17.1. MAIN BOARD -------------------------------------------245
17.2. OPERATION BOARD ---------------------------------247
17.3. SENSOR BOARD --------------------------------------249
17.4. HOOK SWITCH BOARD -----------------------------252
17.2. OPERATION BOARD ---------------------------------247
17.3. SENSOR BOARD --------------------------------------249
17.4. HOOK SWITCH BOARD -----------------------------252
18 Exploded View and Replacement Parts List----------253
18.1. CABINET, MECHANICAL AND ELECTRICAL
PARTS LOCATION-------------------------------------253
18.2. REPLACEMENT PARTS LIST ----------------------267
3
KX-MB773RU/UA
1 Safety Precautions
1. Before servicing, unplug the AC power cord to prevent an electric shock.
2. When replacing parts, use only the manufacturer's recommended components.
3. Check the condition of the power cord. Replace if wear or damage is evident.
4. After servicing, be sure to restore the lead dress, insulation barriers, insulation papers, shields, etc.
5. Before returning the serviced equipment to the customer, be sure to perform the following insulation resistance test to prevent
2. When replacing parts, use only the manufacturer's recommended components.
3. Check the condition of the power cord. Replace if wear or damage is evident.
4. After servicing, be sure to restore the lead dress, insulation barriers, insulation papers, shields, etc.
5. Before returning the serviced equipment to the customer, be sure to perform the following insulation resistance test to prevent
the customer from being exposed to shock hazards.
6. Repair service shall be provided in accordance with repair technology information such as technical guides so as to prevent
fires, injury or electric shock, which can be caused by improper repair work.
7. When repair services are provided, neither the products nor their parts or members shall be remodeled.
8. If a wiring unit is supplied as a repair part, the entire wiring unit shall be replaced, rather than repairing and connecting the
8. If a wiring unit is supplied as a repair part, the entire wiring unit shall be replaced, rather than repairing and connecting the
wires, even when only some of its wires are broken.
9. FASTON terminals shall be plugged straight in and unplugged straight out, rather than jiggling them into or out of position.
1.1.
FOR SERVICE TECHNICIANS
ICs and LSIs are vulnerable to static electricity.
When repairing, the following precautions will help prevent recurring malfunctions.
When repairing, the following precautions will help prevent recurring malfunctions.
1. Cover the plastic part's boxes with aluminum foil.
2. Ground the soldering irons.
3. Use a conductive mat on the worktable.
4. Do not touch the IC or LSI pins with bare fingers.
2. Ground the soldering irons.
3. Use a conductive mat on the worktable.
4. Do not touch the IC or LSI pins with bare fingers.
1.2.
AC CAUTION
For safety, before closing the lower cabinet, please make sure of the following precautions.
1. The earth lead is fixed with the screw.
2. The AC connector is connected properly.
2. The AC connector is connected properly.
4
KX-MB773RU/UA
1.3.
PERSONAL SAFETY PRECAUTIONS
1.3.1.
MOVING SECTIONS OF THE UNIT
Be careful not to let your hair, clothes, fingers, accessories, etc., become caught in any moving sections of the unit.
The moving sections of the unit are the rollers and a gear. There is a separation roller and a document feed roller which are rotated
by the document feed motor. A gear rotates the two rollers. Be careful not to touch them with your hands, especially when the unit
is operating.
The moving sections of the unit are the rollers and a gear. There is a separation roller and a document feed roller which are rotated
by the document feed motor. A gear rotates the two rollers. Be careful not to touch them with your hands, especially when the unit
is operating.
1.3.2.
LIVE ELECTRICAL SECTIONS
All the electrical sections of the unit supplied with AC power by the AC power cord are live.
Never disassemble the unit for service with the AC power supply plugged in.
CAUTION:
Never disassemble the unit for service with the AC power supply plugged in.
CAUTION:
AC voltage is supplied to the primary side of the power supply unit. Therefore, always unplug the AC power cord before disas-
sembling for service.
sembling for service.
1.4.
SERVICE PRECAUTIONS
1.4.1.
PRECAUTIONS TO PREVENT DAMAGE FROM STATIC ELECTRICITY
Electrical charges accumulate on a person. For instance, clothes rubbing together can damage electric elements or change their
electrical characteristics. In order to prevent static electricity, touch a metallic part that is grounded to release the static electricity.
Never touch the electrical sections such as the power supply unit, etc.
electrical characteristics. In order to prevent static electricity, touch a metallic part that is grounded to release the static electricity.
Never touch the electrical sections such as the power supply unit, etc.
