6.5.5. SIMPLIFIED TROUBLESHOOTING GUIDE
6.5.5.1. PRINTING
No.
Symptom
Cause
Countermeasure
1
GHOST IMAGE (P.88)
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.140)
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.144)
Too thick or too thin recording paper
Use the recording paper from 16lb to 24lb
2
DARK
OR
WHITE
VERTICAL LINE (P.89)
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.137)
3
DARK
OR
WHITE
HORIZONTAL LINE (P.90)
Failed drum unit
Replace drum unit
Failed the gear
Check the gear
Failed the engine motor
Go to ENGINE MOTOR (P.135)
Failed the high-voltage terminal
Check the high-voltage terminal
Failed the high voltage power supply board
Go to HIGH VOLTAGE SECTION (P.140)
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.91)
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.140)
Dirty the recording paper path
Clean the recording paper path
5
BLACK PRINT (P.92)
Failed drum unit
Replace drum unit
Failed LSU
Go to LSU SECTION (P.137)
Failed the high-voltage terminal
Check the high-voltage terminal
Failed the high voltage power supply board
Go to HIGH VOLTAGE SECTION (P.140)
Failed the digital board
Check the digital board
Failed CIS (when copying)
Go to CIS (Contact Image Sensor) SECTION (P.138)
6
LIGHT PRINT (P.93)
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.140)
7
BLACK
DENSITY
IS
LIGHT OR UNEVEN(P.94)
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.140)
8
BLANK PRINT (P.95)
Failed drum unit
Replace drum unit
Failed LSU
Go to LSU SECTION (P.137)
Failed the high-voltage terminal
Check the high-voltage terminal
Failed the high voltage power supply board
Go to HIGH VOLTAGE SECTION (P.140)
Failed the digital board
Check the digital board
Failed CIS (when copying)
Go to CIS (Contact Image Sensor) SECTION (P.138)
9
BLACK OR WHITE POINT
(P.95)
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.140)
Too thick or too thin recording paper
Use the recording paper from 16lb to 24lb
79
KX-FL612CX / KX-FL612CX-S
Summary of Contents for KX-FL612CX
Page 12: ...3 INSTALLATION 3 1 LOCATION OF CONTROLS 3 1 1 OVERVIEW 12 KX FL612CX KX FL612CX S ...
Page 13: ...3 1 2 CONTROL PANEL 13 KX FL612CX KX FL612CX S ...
Page 40: ...5 DISASSEMBLY INSTRUCTIONS 40 KX FL612CX KX FL612CX S ...
Page 43: ...5 3 HOW TO REMOVE THE OPERATION PANEL ASS Y 43 KX FL612CX KX FL612CX S ...
Page 44: ...5 4 HOW TO REMOVE THE PICK UP UNIT 44 KX FL612CX KX FL612CX S ...
Page 45: ...5 5 HOW TO REMOVE THE PICK UP ROLLER 45 KX FL612CX KX FL612CX S ...
Page 46: ...5 6 HOW TO REMOVE THE OPERATION BOARD 46 KX FL612CX KX FL612CX S ...
Page 48: ...5 9 HOW TO REMOVE THE TRANSFER ROLLER 48 KX FL612CX KX FL612CX S ...
Page 49: ...5 10 HOW TO REMOVE THE SEPARATION ROLLER 49 KX FL612CX KX FL612CX S ...
Page 54: ...5 19 HOW TO REMOVE THE MAIN MOTOR 54 KX FL612CX KX FL612CX S ...
Page 55: ...5 20 HOW TO REMOVE THE FUSER UNIT 55 KX FL612CX KX FL612CX S ...
Page 56: ...5 21 HOW TO REMOVE THE CIS 56 KX FL612CX KX FL612CX S ...
Page 58: ...5 23 INSTALLATION POSITION OF THE LEAD 58 KX FL612CX KX FL612CX S ...
Page 93: ...6 5 7 6 LIGHT PRINT CROSS REFERENCE HIGH VOLTAGE SECTION P 140 93 KX FL612CX KX FL612CX S ...
Page 95: ...6 5 7 8 BLANK PRINT 6 5 7 9 BLACK OR WHITE POINT 95 KX FL612CX KX FL612CX S ...
Page 97: ...6 5 8 3 SKEW 97 KX FL612CX KX FL612CX S ...
Page 103: ...CROSS REFERENCE MOTOR SECTION P 135 103 KX FL612CX KX FL612CX S ...
Page 104: ...6 5 9 2 SKEW ADF 104 KX FL612CX KX FL612CX S ...
Page 106: ...6 5 9 5 THE RECEIVED OR COPIED DATA IS EXPANDED 106 KX FL612CX KX FL612CX S ...
Page 107: ...6 5 9 6 BLACK OR WHITE VERTICAL LINE IS COPIED 107 KX FL612CX KX FL612CX S ...
Page 117: ...117 KX FL612CX KX FL612CX S ...
Page 120: ...CROSS REFERENCE TEST FUNCTIONS P 64 120 KX FL612CX KX FL612CX S ...
Page 121: ...CROSS REFERENCE TEST FUNCTIONS P 64 121 KX FL612CX KX FL612CX S ...
Page 122: ...CROSS REFERENCE TEST FUNCTIONS P 64 122 KX FL612CX KX FL612CX S ...
Page 123: ...CROSS REFERENCE TEST FUNCTIONS P 64 123 KX FL612CX KX FL612CX S ...
Page 124: ...124 KX FL612CX KX FL612CX S ...
Page 125: ...125 KX FL612CX KX FL612CX S ...
Page 126: ...CROSS REFERENCE TEST FUNCTIONS P 64 126 KX FL612CX KX FL612CX S ...
Page 135: ...6 5 13 6 MOTOR SECTION 6 5 13 6 1 ENGINE MOTOR 135 KX FL612CX KX FL612CX S ...
Page 136: ...6 5 13 6 2 ADF MOTOR 136 KX FL612CX KX FL612CX S ...
Page 140: ...6 5 16 HIGH VOLTAGE SECTION 140 KX FL612CX KX FL612CX S ...
Page 141: ...141 KX FL612CX KX FL612CX S ...
Page 142: ...142 KX FL612CX KX FL612CX S ...
Page 145: ...6 5 17 2 TROUBLESHOOTING FLOW CHART 145 KX FL612CX KX FL612CX S ...
Page 147: ...7 CIRCUIT OPERATIONS 7 1 CONNECTION DIAGRAM 147 KX FL612CX KX FL612CX S ...
Page 149: ...149 KX FL612CX KX FL612CX S ...
Page 167: ...7 7 1 2 ENGINE MOTOR DRIVE CIRCUIT 167 KX FL612CX KX FL612CX S ...
Page 173: ...7 10 LSU Laser Scanning Unit SECTION 173 KX FL612CX KX FL612CX S ...
Page 174: ...174 KX FL612CX KX FL612CX S ...
Page 181: ...181 KX FL612CX KX FL612CX S ...
Page 202: ...8 1 8 TIMING CHART When Printing Two Sheets of Paper BASIC 202 KX FL612CX KX FL612CX S ...
Page 203: ...8 1 9 Timing Chart Initializing Long 203 KX FL612CX KX FL612CX S ...
Page 205: ...8 2 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 205 KX FL612CX KX FL612CX S ...
Page 209: ...8 4 1 NG EXAMPLE 209 KX FL612CX KX FL612CX S ...
Page 215: ...215 KX FL612CX KX FL612CX S ...
Page 216: ...8 6 TEST CHART 8 6 1 ORIGINAL TEST CHART 216 KX FL612CX KX FL612CX S ...
Page 217: ...8 6 2 ITU T No 1 TEST CHART 217 KX FL612CX KX FL612CX S ...
Page 218: ...8 6 3 ITU T No 2 TEST CHART 218 KX FL612CX KX FL612CX S ...
Page 219: ...9 FIXTURES AND TOOLS 219 KX FL612CX KX FL612CX S ...
Page 221: ...10 2 OPERATION COVER SECTION 1 221 KX FL612CX KX FL612CX S ...
Page 222: ...10 3 OPERATION COVER SECTION 2 222 KX FL612CX KX FL612CX S ...
Page 223: ...10 4 OPERATION COVER SECTION 3 223 KX FL612CX KX FL612CX S ...
Page 224: ...10 5 PICK UP SECTION 224 KX FL612CX KX FL612CX S ...
Page 225: ...10 6 FUSER SECTION 225 KX FL612CX KX FL612CX S ...
Page 226: ...10 7 UPPER MAIN CABINET SECTION 226 KX FL612CX KX FL612CX S ...
Page 227: ...10 8 LOWER MAIN CABINET SECTION 1 227 KX FL612CX KX FL612CX S ...
Page 228: ...10 9 LOWER MAIN CABINET SECTION 2 228 KX FL612CX KX FL612CX S ...
Page 229: ...10 10 LOWER CABINET SECTION 3 229 KX FL612CX KX FL612CX S ...
Page 230: ...10 11 ACTUAL SIZE OF SCREWS AND WASHER 230 KX FL612CX KX FL612CX S ...
Page 231: ...11 ACCESSORIES AND PACKING MATERIALS 231 KX FL612CX KX FL612CX S ...
Page 243: ...Memo 243 KX FL612CX KX FL612CX S ...
Page 266: ...266 KX FL612CX KX FL612CX S HI Q KXFL612CX KXFL612CXS ...