1
A
N
2
B
O
3
C
P
4
D
Q
5
E
R
6
F
S
7
G
T
8
IC203
4
5
1
8
H
U
9
I
V
0
J
W
a
K
X
b
L
Y
c
M
Z
PFUP1257ZA-A
C234
R225
R231
L215
C225
L219
L216
R224
R215
L203
L220
C218
C254
C256
R249
R255
C215
L224
R214
C212
R209
R206
24VA
L257
R248
FL207
FL204
FL203
R254
C270
1
1
18
36
19
1
16
8
9
4
5
8
C273
C253
C247
C264
C267
C262
C259
C219
R218
FL201
C220
R233
R229
R235
R226
R210
C239 C379
R230
L227
L228
L202
C213
C206
L225
L253
L226
R203
C205
R202
R201
C204
C231
R227
C235
R228
C209
C209
R204
C201
C207
L264
R205
C203
R207
L201
C214
R223
R220
D
A201
L265
R213
R212
C208
R216
IC201
R217
R219
C226
R246
C224
L254
C257
R208 L256
J378
C230
C222
R222
R260
R286
R279
R266 R275
C286
C287
C295
C313
C315
Q207
R303
C325
C333
L236
R307
C332
C334
D209
C335
C326
R311
L235
C320
L238
L239
R320
C342
R327
Q215
Q209
R341
R359
R232
R355
C240
C241
C252
R237
R242
R240
C248
R243
C361
C362
L237
Q214
R340
C358
C356
J369
R339
R312
J211
C260
R274
C261
R251
C263
L213 J210
R253
R252
FL206
FL208
FL209
FL211
FL212
C281
FL213
C314
C294
C284
IC206
IC205
C283
R264
C292
R256
R259
C277
C271
R257
4
4
5
5
1
1
8
4
5
1
8
8
C272
C269
C299
C352
C353
R345
L245
L247
L248
L241
L246
C351
R324
C331
R325
R332
FL218
R329
C376
C377
+5VD
AG
L232 L233
C378
L231
R316
C339
L262
1
4
5
8
1
4
5
8
IC209
C341
C347
C345
R318
J227
C338
J222
L242
C363
L244
C349
L234
J225
R351
R328
L259
J228
R353
C371
C346
C368
FL222
R346
J226
L260
R297
C317
R299
J229
J385
L261
R347
C367
R349
R348
C370
R350
L250
R308
C330
C336
L251
R313
R358
J230
R306
Q212
IC208
2
1
5
3
FL215
FL224
C366
R305
L255
FL214
C364
R301
Q213
R335
R333
R298
L249
C324
R309
C365
FL223
R352
IC210
FL216
C340
R315
R326
FL217
C350
R321 C344 R357
C357
R338
C354
L263
L243
C375
R336
R334
R337
R344
R343
FL220
FL219
C217
R236
C246
L209
L210
+5V
A
DG
J384
C327
R342
C348
C319
R300
Q203
R272
R261
C291
R273
R262
R281
Q204
Q206
Q205
Q210
R360
R290
R247
FL205
FL210
C258
C268
R310
L214
R292
R276
R280
C374
R284
R265
R278
C288
R258
C280
R269
C285
R267
R277
C289
R270
C275
R283
R283
C308
R268
C305
R282
C297
C262
C302
C303
IC207
C298
R271
R293
C311
C306
R291
C309
C296
C300
R289
C301
R285
C304
C310
C242
C223
L207
R234
C244
C227
R221
L218
L217
R250
R238
C243
R239
R241
C255
C276
C265
IC204
IC202
R245
R244
L212
L211
C251
C249
FL202
L206
L205
J204
Summary of Contents for KX-FLM551
Page 12: ...1 11 2 ITU T No 2 TEST CHART 12 ...
Page 13: ...1 12 LOCATION OF CONTROLS 1 12 1 OVERVIEW 13 ...
Page 49: ...CROSS REFERENCE HIGH VOLTAGE SECTION 2 3 4 4 DIRTY AND HALF DARKNESS BACKGROUND 49 ...
Page 50: ...CROSS REFERENCE HIGH VOLTAGE SECTION 2 3 4 5 BLACK PRINT 50 ...
Page 51: ...CROSS REFERENCE HIGH VOLTAGE SECTION 2 3 4 6 LIGHT PRINT 51 ...
Page 52: ...CROSS REFERENCE HIGH VOLTAGE SECTION 2 3 4 7 BLACK DENSITY IS LIGHT OR UNEVEN 52 ...
Page 53: ...CROSS REFERENCE HIGH VOLTAGE SECTION 2 3 4 8 BLANK PRINT 53 ...
Page 54: ...2 3 4 9 BLACK WHIT POINT 2 3 5 RECORDING PAPER FEED 2 3 5 1 MULTIPLE FEED 54 ...
Page 55: ...2 3 5 2 THE PRINTING PAPER IS WAVED OR WRINKLED 55 ...
Page 56: ...56 ...
Page 57: ...2 3 5 3 SKEW 57 ...
Page 58: ...58 ...
Page 60: ...CROSS REFERENCE SENSOR SECTION MOTOR SECTION 2 3 6 2 DOCUMENT JAM 60 ...
Page 62: ...2 3 6 4 SKEW 62 ...
Page 63: ...2 3 6 5 THE SENT FAX DATA IS SKEWED 63 ...
Page 65: ...2 3 6 8 BLACK OR WHITE VERTICAL LINE 65 ...
Page 66: ...2 3 6 9 AN ABNORMAL IMAGE IS COPIED 66 ...
Page 79: ...79 ...
Page 80: ...CROSS REFERENCE TEST FUNCTIONS 80 ...
Page 81: ...CROSS REFERENCE TEST FUNCTIONS 81 ...
Page 82: ...CROSS REFERENCE TEST FUNCTIONS 82 ...
Page 83: ...CROSS REFERENCE TEST FUNCTIONS 83 ...
Page 84: ...84 ...
Page 85: ...85 ...
Page 86: ...86 ...
Page 95: ...CROSS REFERENCE CHECK THE STATUS OF THE DIGITAL BOARD 2 3 8 2 NG EXAMPLE 95 ...
Page 96: ...2 3 8 3 CHECK THE STATUS OF THE DIGITAL BOARD 96 ...
Page 103: ...2 3 9 7 LSU SECTION 103 ...
Page 104: ...CROSS REFERENCE LSU Laser Scanning Unit SECTION 2 3 10 CIS contact Image Sensor SECTION 104 ...
Page 105: ...2 3 11 HIGH VOLTAGE SECTION 105 ...
Page 106: ...106 ...
Page 107: ...107 ...
Page 108: ...108 ...
Page 109: ...109 ...
Page 112: ...112 ...
Page 113: ...113 ...
Page 126: ...126 ...
Page 137: ...2 8 2 Scan 137 ...
Page 139: ...4 2 HOW TO REMOVE THE OPERATION PANEL BLOCK 139 ...
Page 140: ...4 3 HOW TO REMOVE THE OPERATION BOARD 140 ...
Page 141: ...4 4 HOW TO REMOVE THE TRANSFER ROLLER AND IMAGE SENSOR 141 ...
Page 143: ...4 7 HOW TO REMOVE THE AC INLET AND LOW VOLTAGE POWER SUPPLY BOARD 143 ...
Page 144: ...4 8 HOW TO REMOVE THE DIGITAL BOARD AND MOTOR DRIVE BOARD 144 ...
Page 145: ...4 9 HOW TO REMOVE THE BACK COVER SECTION 145 ...
Page 146: ...4 10 HOW TO REMOVE THE FUSER UNIT AND HANDSET CRADLE 146 ...
Page 148: ...4 13 HOW TO REMOVE THE HEAT ROLLER AND EXIT ROLLER 148 ...
Page 149: ...4 14 HOW TO REMOVE THE PRESSURE ROLLER 149 ...
Page 150: ...4 15 HOW TO REMOVE THE MOTOR BLOCK 150 ...
Page 151: ...151 ...
Page 152: ...152 ...
Page 153: ...4 16 INSTALLATION POSITION OF THE LEAD 153 ...
Page 154: ...154 ...
Page 155: ...155 ...
Page 156: ...156 ...
Page 166: ...6 8 TIMING CHART When Printing Two Sheets of Paper 166 ...
Page 172: ...6 14 Timing Chart Initializing Short 172 ...
Page 174: ...7 CIRCUIT OPERATIONS 7 1 CONNECTION DIAGRAM 7 1 1 CONNECTION DIAGRAM 1 174 ...
Page 175: ...7 1 2 CONNECTION DIAGRAM 2 175 ...
Page 176: ...7 1 3 POWER SUPPLY FLOW 176 ...
Page 181: ...7 3 2 1 ASIC IC604 PIN LAYOUT 181 ...
Page 182: ...7 3 2 2 EXPLANATION OF PIN DISTRIBUTION 7 3 2 2 1 IC604 182 ...
Page 217: ...217 ...
Page 218: ...7 9 SENSORS AND SWITCHES SECTION All of the sensor and switches are shown below 218 ...
Page 241: ...9 FIXTURES AND TOOLS 241 ...
Page 242: ...10 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 10 1 GENERAL SECTON 242 ...
Page 243: ...10 2 OPERATION PANEL SECTION 10 2 1 OPERATION PANEL BLOCK 1 243 ...
Page 244: ...10 2 2 OPERATION PANEL BLOCK 2 244 ...
Page 245: ...245 ...
Page 246: ...10 3 CABINET P C B BLOCK 246 ...
Page 247: ...10 4 PICK UP BLOCK 247 ...
Page 248: ...10 5 CABINET BLOCK 248 ...
Page 249: ...10 6 FUSER BLOCK 249 ...
Page 250: ...10 7 MAIN FRAME BLOCK 250 ...
Page 251: ...251 ...
Page 252: ...10 8 MOTOR BLOCK 10 9 ACTUAL SIZE OF SCREWS AND WASHER 252 ...
Page 253: ...11 ACCESSORIES AND PACKING MATERIALS 253 ...
Page 254: ...254 ...
Page 283: ...16 7 SENSOR BOARD PCB7 16 8 VARISTOR BOARD PCB8 HI Q KXFLM551 Printed in Japan 283 ...
Page 292: ...PCB CH J61 J60 ZNR60 01 06 25 PFUP1257ZA D COMPONENT VIEW BOTTOM VIEW ...
Page 312: ...CN51 1 TEMP 2 GND 3 VIN 4 SIG 5 VOUT PS50 1 2 3 4 NC C50 CN50 1 THERM 2 NC 3 GND ...
Page 313: ...ZNR60 271 ...