KX-FC278RU - Panasonic Fax Service Manual (repair manual). Page 3

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12.2.2. Cordless Handset------------------------------------80

12.3. Error Messages-Report ---------------------------------81

12.3.1. Journal Report----------------------------------------81
12.3.2. Special Service Journal Reports -----------------90
12.3.3. Communication Section----------------------------93

12.4. Remote Programming --------------------------------- 102

12.4.1. Entering the Remote Programming Mode

and Changing Service Codes ------------------ 102

12.4.2. Program Mode Table------------------------------ 103

12.5. Troubleshooting Details ------------------------------- 106

12.5.1. Outline ------------------------------------------------ 106
12.5.2. Starting Troubleshooting ------------------------- 106
12.5.3. Troubleshooting Items Table -------------------- 107
12.5.4. ADF (Auto Document Feed) Section --------- 109
12.5.5. Digital Board Section------------------------------ 122
12.5.6. Analog Board Section ---------------------------- 129
12.5.7. Power Supply Board Section ------------------- 131
12.5.8. Operation Panel Section ------------------------- 134
12.5.9. Sensor Section ------------------------------------- 135

12.5.10. CIS (Contact Image Sensor) Section --------- 137

12.5.11. Thermal Head Section---------------------------- 138

12.5.12. Cordless Section----------------------------------- 139
12.5.13. Troubleshooting by Symptom (Cordless

Handset) --------------------------------------------- 143

12.5.14. Troubleshooting by Symptom (Charger

Unit) --------------------------------------------------- 146

13 Service Fixture & Tools-------------------------------------- 147
14 Disassembly and Assembly Instructions ------------- 148

14.1. General Section----------------------------------------- 148
14.2. Disassembly Flowchart ------------------------------- 149

14.2.1. Upper Cabinet Section --------------------------- 149
14.2.2. Lower Cabinet Section --------------------------- 149
14.2.3. Back Cover Section ------------------------------- 150
14.2.4. Operation Panel Section ------------------------- 150
14.2.5. Cordless Handset Section----------------------- 151
14.2.6. Charger Section------------------------------------ 151

14.3. Disassembly Procedure------------------------------- 152

14.3.1. How to Remove the Image Sensor (CIS)---- 152
14.3.2. How to Remove the Thermal Head ----------- 153
14.3.3. How to Remove the Bottom Frame ----------- 155
14.3.4. How to Remove the P.C. Boards and

Speaker ---------------------------------------------- 156

14.3.5. How to Remove the Power Supply Board

and AC Cord ---------------------------------------- 157

14.3.6. How to Remove the Gear Block and

Separation Roller ---------------------------------- 158

14.3.7. How to Remove the Gears, Motors and

Arms of the Gear Block -------------------------- 159

14.3.8. How to Remove the Cradle and Hook

Switch Board---------------------------------------- 161

14.3.9. How to Remove the Back Cover--------------- 162

14.3.10. How to Remove the Platen Roller and

Lock Lever------------------------------------------- 163

14.3.11. How to Remove the Pickup Roller and

Antenna ---------------------------------------------- 165

14.3.12. How to Remove the Operation Panel -------- 166
14.3.13. How to Remove the Operation Board, MIC

Board and LCD------------------------------------- 167

14.3.14. How to Remove the Separation Holder

and Exit Roller -------------------------------------- 168

14.3.15. Installation Position of the Lead Wires ------- 169

14.3.16. How to Remove the Cordless Handset

Board ------------------------------------------------- 175

14.3.17. How to Remove the Charger Board ---------- 177

15 Measurements and Adjustments ------------------------ 178

15.1. Cordless Base Section (Digital Board)

Adjustment----------------------------------------------- 178

15.1.1. Equipment Required ----------------------------- 178
15.1.2. PC Setting------------------------------------------- 178
15.1.3. How to Adjust -------------------------------------- 179
15.1.4. Frequency and Voltage Adjustment ---------- 180

15.2. Adjustment Standard (Base Unit) ------------------ 182

15.2.1. Component View ---------------------------------- 182
15.2.2. Bottom view----------------------------------------- 183

15.3. Adjustment Standard (Charger Unit) -------------- 184

15.3.1. Bottom View ---------------------------------------- 184

15.4. The Setting Method of JIG (Cordless

Handset)-------------------------------------------------- 185

15.4.1. Preparation------------------------------------------ 185
15.4.2. PC Setting------------------------------------------- 185

15.5. Adjustment Standard (Cordless Handset) ------- 187

15.5.1. Component View ---------------------------------- 187

15.6. Things to Do after Replacing IC -------------------- 188

15.6.1. Base Unit -------------------------------------------- 188
15.6.2. Cordless Handset --------------------------------- 188

15.7. RF Specification ---------------------------------------- 190

15.7.1. Base Unit -------------------------------------------- 190
15.7.2. Cordless Handset --------------------------------- 190

15.8. How to Check the Cordless Handset Speaker

or Receiver ---------------------------------------------- 191

15.9. Frequency Table (MHz)------------------------------- 191

16 Maintenance ---------------------------------------------------- 192

16.1. Maintenance Items and Component Locations- 192

16.1.1. Outline ----------------------------------------------- 192
16.1.2. Maintenance Check Items/Component

Locations -------------------------------------------- 192

16.2. Gear Section -------------------------------------------- 194

16.2.1. Mode Selection ------------------------------------ 194
16.2.2. Mode Operation ----------------------------------- 195
16.2.3. Mechanical Movements in the Main

Operations (transmitting documents,
receiving faxes and copying) ------------------- 198

16.3. Jams------------------------------------------------------- 201

16.3.1. Recording Paper Jams -------------------------- 201
16.3.2. Document Jams ----------------------------------- 202

16.4. Cleaning -------------------------------------------------- 203

16.4.1. Document feeder/recording paper feeder/

scanner glass cleaning -------------------------- 203

16.4.2. Thermal Head Cleaning ------------------------- 204

17 Miscellaneous-------------------------------------------------- 205

17.1. Terminal Guide of the ICs, Transistors and

Diodes ---------------------------------------------------- 205

17.1.1. Digital Board ---------------------------------------- 205
17.1.2. Analog Board--------------------------------------- 205
17.1.3. Operation Board / Microphone Board -------- 206
17.1.4. Power Supply Board------------------------------ 206
17.1.5. Interface Board ------------------------------------ 206
17.1.6. Cordless Handset Board ------------------------ 207

17.2. How to Replace the Flat Package IC ------------- 208

17.2.1. Preparation------------------------------------------ 208
17.2.2. Flat Package IC Removal Procedure -------- 208
17.2.3. Flat Package IC Installation Procedure------ 209