No. Symptom
Cause
Countermeasure
The Paper exit sensor cannot
detect the recording paper
Exchange the Paper exit
check the PCB
Too thin recording paper
Use the recording paper from
to 24lb
No connection between the drum
unit and the whole unit
Check the terminal of the
voltage PCB or exchange
drum unit
18 Multiple feeding of recording
paper
Dirty separation pad of the
recording paper
Clean the separation pad
recording paper
19 Skewed feeding of recording
paper
Over the max capacity of the
recording paper
Set up to MAX 150 sheets
Too thick recording paper
Use the recording paper from
to 24lb
other reason
20 Wrinkle of recording paper
Too thin recording paper
Use the recording paper from
to 24lb
other reason
21 Document jam
The sensor cannot detect the top
of document
Exchange the sensor or check
PCB
22 Multiple feeding of document
Dirty separation pad of the
document
Clean the separation pad
document
23 Skewed feeding of document
Not matched the document to the
document slider
Adjust the document to the
document slider
24 Copying all white (Printing
pattern is OK)
Broken CIS
Exchange CIS
Broken the digital PCB
Check the digital board
25 Copying all black (Printing
pattern is OK)
Broken CIS
Exchange CIS
Broken the digital PCB
Check the digital board
26 Copying disordered (Printing
pattern is OK)
Broken CIS
Exchange CIS
Broken the digital PCB
Check the digital board
27 Cannot print legal size
Not selected the legal mode
Select the legal mode in the
programming mode
28 Copying slight
Broken CIS
Exchange CIS
29 Cannot feed document
The Paper feed sensor cannot
detect the document
Exchange the Paper feed
or check the PCB
30 CHECK DRUM' on the LCD
No connection between the drum
unit and the whole unit
Reset or exchange the drum
31 CHANGE DRUM' on the LCD
The Toner sensor cannot detect
the drum unit
Exchange the Toner sensor
check the PCB
Dust between the drum unit and
the sensor
Remove the dust
Metal dust under the drum unit
Remove the dust
32 FAILED PICKUP' on the LCD
Broken the resist sensor
Exchange the resist sensor
33 PAPER JAM' on the LCD
Broken the exit sensor
Exchange the exit sensor
45
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 ...