6.6.5. SIMPLIFIED TROUBLESHOOTING GUIDE
6.6.5.1. PRINTING
No.
Symptom
Cause
Countermeasure
1
GHOST IMAGE (P.96)
Failed drum unit
Replace drum unit
Failed transfer unit
Check the transfer roller and spring
Failed the high-voltage terminal
Check the high-voltage terminal
Failed the high voltage power supply board
Go to HIGH VOLTAGE SECTION (P.148)
Failed fuser unit
Check the heat roller and the pressurized roller and the spring
and the heat lamp and the thermistor
Failed the power supply board
Go to POWER SUPPLY BOARD SECTION (P.152)
Too thick or too thin recording paper
Use the recording paper from 60g/m
2
to 90g/m
2
2
DARK
OR
WHITE
VERTICAL LINE (P.97)
Dirty the lower glass or the reflecting mirror
Clean the lower glass and the reflecting mirror
Dust on the path of the laser beam
Clean the path of the laser beam
Dust on the developing roller
Replace drum unit
Failed the heat roller or the pressuizedr roller
Check the heat roller and the pressurized roller
Failed LSU
Go to LSU SECTION (P.145)
3
DARK
OR
WHITE
HORIZONTAL LINE (P.98)
Failed drum unit
Replace drum unit
Failed the gear
Check the gear
Failed the engine motor
Go to ENGINE MOTOR (P.143)
Failed the high-voltage terminal
Check the high-voltage terminal
Failed the high voltage power supply board
Go to HIGH VOLTAGE SECTION (P.148)
Scratch on the OPC drum
Replace drum unit
Static electricity on the documents (when
copying)
Check the connection between the parts around CIS and earth
4
DIRTY
OR
HALF
DARKNESS
BACKGROUND (P.99)
Failed drum unit
Replace drum unit
Life of drum unit is over
Replace drum unit
Dirty the pickup roller and the regist roller and
the feed roller and the eject roller and the heat
roller and the pressure roller
Clean the pickup roller and the regist roller and the feed roller
and the eject roller and the heat roller and the pressure roller
Failed the high-voltage terminal
Check the high-voltage terminal
Failed the high voltage power supply board
Go to HIGH VOLTAGE SECTION (P.148)
Dirty the recording paper path
Clean the recording paper path
5
BLACK PRINT (P.100)
Failed drum unit
Replace drum unit
Failed LSU
Go to LSU SECTION (P.145)
Failed the high-voltage terminal
Check the high-voltage terminal
Failed the high voltage power supply board
Go to HIGH VOLTAGE SECTION (P.148)
Failed the digital board
Check the digital board
Failed CIS (when copying)
Go to CIS (Contact Image Sensor) SECTION (P.146)
6
LIGHT PRINT (P.101)
Short toner
Supply toner
Failed drum unit
Replace drum unit
Life of drum unit is over
Replace drum unit
Dirty the lower glass or the reflecting mirror
Clean the lower glass and the reflecting mirror
Failed the high-voltage terminal
Check the high-voltage terminal
Failed the high voltage power supply board
Go to HIGH VOLTAGE SECTION (P.148)
7
BLACK
DENSITY
IS
LIGHT
OR
UNEVEN(P.102)
Short toner
Supply toner
Failed drum unit
Replace drum unit
Life of drum unit is over
Replace drum unit
Dirty the lower glass or the reflecting mirror
Clean the lower glass and the reflecting mirror
Failed the high-voltage terminal
Check the high-voltage terminal
Failed the high voltage power supply board
Go to HIGH VOLTAGE SECTION (P.148)
8
BLANK PRINT (P.103)
Failed drum unit
Replace drum unit
Failed LSU
Go to LSU SECTION (P.145)
Failed the high-voltage terminal
Check the high-voltage terminal
Failed the high voltage power supply board
Go to HIGH VOLTAGE SECTION (P.148)
Failed the digital board
Check the digital board
Failed CIS (when copying)
Go to CIS (Contact Image Sensor) SECTION (P.146)
9
BLACK OR WHITE POINT
(P.103)
Failed the developer roller (31.4mm pitch)
Replace drum unit
Failed the OPC drum (75.4mm pitch)
Replace drum unit
Failed the heat roller (62.8mm pitch)
Check the heat roller
Failed the charge blush (21mm pitch)
Replace drum unit
Failed the high voltage power supply board
Go to HIGH VOLTAGE SECTION (P.148)
Too thick or too thin recording paper
Use the recording paper from 60g/m
2
to 90g/m
2
87
KX-FLM652CX
Summary of Contents for KX-FLM652CX
Page 11: ...3 INSTALLATION 3 1 LOCATION OF CONTROLS 3 1 1 OVERVIEW 11 KX FLM652CX ...
Page 24: ...3 4 9 SETTING YOUR LOGO The logo can be your company division or name 24 KX FLM652CX ...
Page 44: ...5 DISASSEMBLY INSTRUCTIONS 44 KX FLM652CX ...
Page 47: ...5 3 HOW TO REMOVE THE OPERATION PANEL ASS Y 47 KX FLM652CX ...
Page 48: ...5 4 HOW TO REMOVE THE PICK UP UNIT 48 KX FLM652CX ...
Page 49: ...5 5 HOW TO REMOVE THE PICK UP ROLLER 49 KX FLM652CX ...
Page 50: ...5 6 HOW TO REMOVE THE OPERATION BOARD 50 KX FLM652CX ...
Page 51: ...5 7 HOW TO REMOVE THE LOWER FRAME 5 8 HOW TO REMOVE THE SEPARATION RUBBER 51 KX FLM652CX ...
Page 52: ...5 9 HOW TO REMOVE THE TRANSFER ROLLER 52 KX FLM652CX ...
Page 53: ...5 10 HOW TO REMOVE THE SEPARATION ROLLER 53 KX FLM652CX ...
Page 54: ...5 11 HOW TO REMOVE THE BOTTOM PLATE 5 12 HOW TO REMOVE THE ANALOG BOARD 54 KX FLM652CX ...
Page 56: ...5 15 HOW TO REMOVE THE FAN UNIT 5 16 HOW TO REMOVE THE LOW VOLTAGE POWER BOARD 56 KX FLM652CX ...
Page 57: ...5 17 HOW TO REMOVE THE SOLENOID 5 18 HOW TO REMOVE THE HANDSET HOLDER 57 KX FLM652CX ...
Page 58: ...5 19 HOW TO REMOVE THE MAIN MOTOR 58 KX FLM652CX ...
Page 59: ...5 20 HOW TO REMOVE THE FUSER UNIT 59 KX FLM652CX ...
Page 60: ...5 21 HOW TO REMOVE THE CIS 60 KX FLM652CX ...
Page 62: ...5 23 INSTALLATION POSITION OF THE LEAD 62 KX FLM652CX ...
Page 101: ...6 6 7 6 LIGHT PRINT CROSS REFERENCE HIGH VOLTAGE SECTION P 148 101 KX FLM652CX ...
Page 103: ...6 6 7 8 BLANK PRINT 6 6 7 9 BLACK OR WHITE POINT 103 KX FLM652CX ...
Page 105: ...6 6 8 3 SKEW 105 KX FLM652CX ...
Page 111: ...CROSS REFERENCE MOTOR SECTION P 143 111 KX FLM652CX ...
Page 112: ...6 6 9 2 SKEW ADF 112 KX FLM652CX ...
Page 114: ...6 6 9 5 THE RECEIVED OR COPIED DATA IS EXPANDED 114 KX FLM652CX ...
Page 115: ...6 6 9 6 BLACK OR WHITE VERTICAL LINE IS COPIED 115 KX FLM652CX ...
Page 125: ...125 KX FLM652CX ...
Page 128: ...CROSS REFERENCE TEST FUNCTIONS P 69 128 KX FLM652CX ...
Page 129: ...CROSS REFERENCE TEST FUNCTIONS P 69 129 KX FLM652CX ...
Page 130: ...CROSS REFERENCE TEST FUNCTIONS P 69 130 KX FLM652CX ...
Page 131: ...CROSS REFERENCE TEST FUNCTIONS P 69 131 KX FLM652CX ...
Page 132: ...132 KX FLM652CX ...
Page 133: ...133 KX FLM652CX ...
Page 134: ...CROSS REFERENCE TEST FUNCTIONS P 69 134 KX FLM652CX ...
Page 143: ...6 6 13 6 MOTOR SECTION 6 6 13 6 1 ENGINE MOTOR 143 KX FLM652CX ...
Page 144: ...6 6 13 6 2 ADF MOTOR 144 KX FLM652CX ...
Page 145: ...6 6 13 7 LSU SECTION CROSS REFERENCE LSU Laser Scanning Unit SECTION P 183 145 KX FLM652CX ...
Page 146: ...6 6 14 CIS Contact Image Sensor SECTION CROSS REFERENCE TEST FUNCTIONS P 69 146 KX FLM652CX ...
Page 148: ...6 6 16 HIGH VOLTAGE SECTION 148 KX FLM652CX ...
Page 149: ...149 KX FLM652CX ...
Page 150: ...150 KX FLM652CX ...
Page 153: ...6 6 17 2 TROUBLESHOOTING FLOW CHART 153 KX FLM652CX ...
Page 154: ...154 KX FLM652CX ...
Page 155: ...7 CIRCUIT OPERATIONS 7 1 CONNECTION DIAGRAM 155 KX FLM652CX ...
Page 177: ...7 7 1 2 ENGINE MOTOR DRIVE CIRCUIT 177 KX FLM652CX ...
Page 183: ...7 10 LSU Laser Scanning Unit SECTION 183 KX FLM652CX ...
Page 184: ...184 KX FLM652CX ...
Page 191: ...191 KX FLM652CX ...
Page 213: ...8 1 11 Timing Chart Initializing Long 213 KX FLM652CX ...
Page 215: ...8 2 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 8 2 1 DIGITAL BOARD 215 KX FLM652CX ...
Page 216: ...8 2 2 ANALOG BOARD 8 2 3 OPERATION BOARD 8 2 4 MOTOR DRIVER BOARD 216 KX FLM652CX ...
Page 217: ...8 2 5 HIGH VOLTAGE POWER BOARD 217 KX FLM652CX ...
Page 218: ...8 2 6 LOW VOLTAGE POWER BOARD 8 2 7 DRUN AND TONER SENSOR BOARD PARTS 218 KX FLM652CX ...
Page 221: ...8 4 1 NG EXAMPLE 221 KX FLM652CX ...
Page 227: ...227 KX FLM652CX ...
Page 228: ...8 6 TEST CHART 8 6 1 ITU T No 1 TEST CHART 228 KX FLM652CX ...
Page 229: ...8 6 2 ITU T No 2 TEST CHART 229 KX FLM652CX ...
Page 230: ...9 FIXTURES AND TOOLS 230 KX FLM652CX ...
Page 231: ...10 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 10 1 GENERAL SECTION 231 KX FLM652CX ...
Page 232: ...10 2 OPERATION COVER SECTION 1 232 KX FLM652CX ...
Page 233: ...10 3 OPERATION COVER SECTION 2 233 KX FLM652CX ...
Page 234: ...10 4 OPERATION COVER SECTION 3 234 KX FLM652CX ...
Page 235: ...10 5 PICK UP SECTION 235 KX FLM652CX ...
Page 236: ...10 6 FUSER SECTION 236 KX FLM652CX ...
Page 237: ...10 7 UPPER MAIN CABINET SECTION 237 KX FLM652CX ...
Page 238: ...10 8 LOWER MAIN CABINET SECTION 1 238 KX FLM652CX ...
Page 239: ...10 9 LOWER MAIN CABINET SECTION 2 239 KX FLM652CX ...
Page 240: ...10 10 LOWER MAIN CABINET SECTION 3 240 KX FLM652CX ...
Page 241: ...10 11 ACTUAL SIZE OF SCREWS AND WASHER 241 KX FLM652CX ...
Page 242: ...11 ACCESSORIES AND PACKING MATERIALS 242 KX FLM652CX ...
Page 261: ...261 KX FLM652CX ...
Page 270: ...15 8 MEMO 270 KX FLM652CX ...
Page 278: ...278 KX FLM652CX ...
Page 286: ...286 KX FLM652CX K N KXFLM652CX ...