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2.1.2. Engine Control Block Diagram
LCD I/F
Printer Main
Control Board
Sleep Circuit
Pickup Solenoid
Paper JAM Sensor
M
Paper Feed Motor
Feeder
Board
Motor
Driver
M
Feeder
Board
Pickup Solenoid
Paper JAM Sensor
Option Feeder 1
Option
Feeder
I/F
ADU JAM Sensor Circuit
ADU JAM Sensor
ADU Detection Switch
ADU Detection Sensor Circuit
Printing Control Lines
Serial Communication Lines
IC1
CPU
IC2
DRAM
(16M bit)
Motor
Driver
X3 (12.288 MHz)
S1
Test
IC4
Flash ROM
(4M bit)
Video Image Data (Y, M, C, K), Clock (Y, M, C, K)
Data Transfer Control Signals
Power Supply Board
Front/Side Door
Interlock Switch
IH Power Supply Board
IH Coil Unit
Voltage Regulator
with Reset Output
IH Power Control Lines
A/D Convertor Control Lines ( Serial )
NSLP
3.3V
5V
24V
Power Supply Fan
Power Supply Fan
Motor Control Circuit
Fuser Fan
Fuser Fan
Motor Control Circuit
Sub Fuser Fan
Sub Fuser Fan
Motor Control Circuit
Front Door/Right Cover
Open Detection Switch
Door Switch
I/F Circuit
Laser Scanning Unit
Laser Beam Detection
Signal I/F Circuit
Video I/F Circuit
Polygon Motor
I/F Circuit
LSU Safety Interlock Switch
Optional 3rd paper Feeder
Optional 2nd Paper Feeder
X2
(Color Mode :
9.541567 MHz)
X1
(Monochrome Mode :
11.955543 MHz)
EEPROM
Tem./Humidity Sensor Circuit
Tem./Humidity Sensor
Fuser Unit I/F Circuit
Heat Roller Rotation Detection Sensor
Thermistor 1, 2
Fuser JAM Detection Sensor
Fuser Unit
Solenoid I/F Circuit
Paper Full Sensor Circuit
Exit Tray Paper Full Sensor
Rotation Switching Solenoid
(ADU Switchback Solenoid)
Paper Exit Block
Color Registration Circuit
WTC/Acc. Unit Detection Circuit
Waste Toner Full Sensor Circuit
Right Color Registration Sensor
Color Registration Sensor Board
Left Color Registration Sensor
WTC/Acc.Unit Detection Sensor
Waste Toner Full
Sensor Board
Waste Toner
Full Sensor
Print Cartridge I/F Circuit
Color Print Cartridge Virgin Sensor
Color Print Cartridge
Color Print Cartridge Virgin Sensor
Black Print Cartridge
Toner Empty Sensor Circuit
Toner Cartridge
Drive Unit
(BK)
(Y)
(M)
(C)
Toner Empty Sensor Board
Toner Supply Solenoid Circuit
Toner Cartridge
Holder Unit
Toner Supply Solenoid
Cam Ratchet Solenoid/
Changer Solenoid/
Acc. Cam Home Position
Sensor Circuits
Mono/Color Changer Solenoid
Cam Ratchet Solenoid
(Acc. Cam Switching Solenoid)
Acc. Cam Home Position Sensor
Acc. Tension Unit
STD Cassette Paper Empty Sensor
Registration Sensor
Registration Clutch
Paper Feed Unit
MPT Paper Pickup Motor/
MPT Paper Detection Sensor/
MPT Home Position Sensor
Circuits
MPT Paper Detection Sensor
MPT Paper Pickup Motor
MPT Home Position Sensor
MPT Paper
Feed Block
STD Pickup Solenoid
Registration Sensor/
Paper Empty/
Registration Clutch/
Pickup Solenoid Circuits
CMY OPC Home Position Sensor
Black OPC Home Position Sensor
Feed/BK Switching Solenoid
Main Drive Unit
PC/BK Drive Motor and PC/CMY Drive Motor
Black OPC/CMY OPC
Home Position Sensors/
BK Solenoid/BK Motor/
CMY Motor Circuits
STD Paper Size
Detection Circuit
STD Cassette
Paper Size
Detection Sensor
High Voltage Control Circuit
High Voltage Board
Dev.Bias, STR Bias, FTR Bias etc.
( Engine Control Board )
IC14
(ASIC)
Thermistor for Pressure Roller
DP-CL18
10
Summary of Contents for Workio DP-CL18
Page 8: ...1 2 15 LCD Board Marked PbF 8 DP CL18 ...
Page 12: ...DP CL18 12 ...
Page 21: ...21 DP CL18 ...
Page 23: ...23 DP CL18 ...
Page 28: ...28 DP CL18 ...
Page 30: ...30 DP CL18 ...
Page 36: ...36 DP CL18 ...
Page 39: ...39 DP CL18 ...
Page 44: ...3 5 17 Automatic Duplex Unit ADU Detection and ADU Jam Detection Sensor Circuits 44 DP CL18 ...
Page 64: ...64 DP CL18 ...
Page 67: ...67 DP CL18 ...
Page 71: ...4 Troubleshooting 4 1 Initial Troubleshooting Flowchart 71 DP CL18 ...
Page 72: ...4 2 Jam 4 2 1 Print Media Problem 72 DP CL18 ...
Page 73: ...4 2 2 Print Media Skew 73 DP CL18 ...
Page 74: ...4 2 3 Paper Jam at the media tray 74 DP CL18 ...
Page 75: ...4 2 4 Paper Jams at the registration roller 75 DP CL18 ...
Page 76: ...4 2 5 Paper Jams at the 2nd bias transfer roller 76 DP CL18 ...
Page 77: ...4 2 6 Paper Jams at the fuser unit 77 DP CL18 ...
Page 78: ...4 2 7 Multi purpose Tray Jams 78 DP CL18 ...
Page 79: ...4 2 8 Wrong paper length Jams 79 DP CL18 ...
Page 80: ...4 2 9 Paper Jams at the upper optional media tray OPF1 80 DP CL18 ...
Page 81: ...4 2 10 Paper Jams at the lower optional media tray OPF2 81 DP CL18 ...
Page 82: ...4 2 11 Paper Jam at automatic duplex unit ADU 82 DP CL18 ...
Page 83: ...4 2 12 HDD I O Error 83 DP CL18 ...
Page 84: ...4 3 Print Quality 4 3 1 Blank Print 84 DP CL18 ...
Page 85: ...4 3 2 All black Print 85 DP CL18 ...
Page 86: ...4 3 3 Missing Primary Color 86 DP CL18 ...
Page 87: ...4 3 4 Light Print 87 DP CL18 ...
Page 88: ...4 3 5 Repeated spots or lines on print in line with each other 88 DP CL18 ...
Page 89: ...4 3 6 Dark Vertical Line in Print 89 DP CL18 ...
Page 90: ...4 3 7 White horizontal line or band in all the color of a print 90 DP CL18 ...
Page 91: ...4 3 8 Mis transfer missing portions of toner 91 DP CL18 ...
Page 92: ...4 3 9 Dirty Background 92 DP CL18 ...
Page 93: ...4 3 10 Partial Primary Color Dots 4 3 11 Dark Irregular Streaks in Print 93 DP CL18 ...
Page 94: ...4 3 12 Primary Color Irregular Streaks 94 DP CL18 ...
Page 95: ...4 3 13 Ghosting 95 DP CL18 ...
Page 96: ...4 3 14 Unfused or Partially Fused Printing 96 DP CL18 ...
Page 97: ...4 3 15 Image is skewed on the paper 97 DP CL18 ...
Page 98: ...4 3 16 Stains on Back of Print 98 DP CL18 ...
Page 99: ...4 3 17 No Printing on Edge of Print 99 DP CL18 ...
Page 100: ...4 3 18 Image is not centered on the print when it should be 100 DP CL18 ...
Page 101: ...4 4 Printer Error Call Service 4 4 1 Printer Error 10 101 DP CL18 ...
Page 102: ...4 4 2 Printer Error 11 102 DP CL18 ...
Page 103: ...4 4 3 Printer Error 20 103 DP CL18 ...
Page 104: ...4 4 4 Printer Error 24 104 DP CL18 ...
Page 105: ...4 4 5 Printer Error 35 105 DP CL18 ...
Page 106: ...4 4 6 Printer Error 36 106 DP CL18 ...
Page 107: ...4 4 7 Printer Error 37 and Printer Error 38 107 DP CL18 ...
Page 108: ...4 4 8 Printer Error 40 and Printer Error 43 108 DP CL18 ...
Page 109: ...4 4 9 Printer Error 41 109 DP CL18 ...
Page 110: ...4 4 10 Printer Error 45 110 DP CL18 ...
Page 111: ...4 4 11 Printer Error 46 111 DP CL18 ...
Page 112: ...4 4 12 Printer Error 47 112 DP CL18 ...
Page 113: ...4 4 13 Printer Error 48 113 DP CL18 ...
Page 114: ...4 4 14 Printer Error 50 114 DP CL18 ...
Page 115: ...4 4 15 Printer Error 53 115 DP CL18 ...
Page 116: ...4 4 16 Printer Error 54 116 DP CL18 ...
Page 117: ...4 4 17 Printer Error 56 117 DP CL18 ...
Page 118: ...4 4 18 Printer Error 65 118 DP CL18 ...
Page 119: ...4 4 19 Printer Error 66 119 DP CL18 ...
Page 120: ...4 4 20 Printer Error 70 120 DP CL18 ...
Page 121: ...4 4 21 Printer Error 72 121 DP CL18 ...
Page 122: ...4 4 22 Printer Error 73 122 DP CL18 ...
Page 123: ...4 4 23 Printer Error 80 123 DP CL18 ...
Page 124: ...4 4 24 Printer Error 81 124 DP CL18 ...
Page 125: ...4 4 25 Printer Error 82 125 DP CL18 ...
Page 126: ...4 4 26 Printer Error 83 126 DP CL18 ...
Page 127: ...4 4 27 Printer Error 84 127 DP CL18 ...
Page 128: ...4 4 28 Printer Error 90 128 DP CL18 ...
Page 129: ...4 4 29 Printer Error 91 Printer Error 92 and Printer Error 96 129 DP CL18 ...
Page 130: ...4 4 30 Printer Error 93 94 130 DP CL18 ...
Page 131: ...4 4 31 Printer Error 95 131 DP CL18 ...
Page 132: ...4 4 32 Printer Error 98 132 DP CL18 ...
Page 133: ...4 5 No Message 133 DP CL18 ...
Page 134: ...4 6 No Printing 4 6 1 Using Parallel Interface 134 DP CL18 ...
Page 135: ...4 6 2 Using USB Interface 135 DP CL18 ...
Page 136: ...4 6 3 Using Network Interface 136 DP CL18 ...
Page 137: ...4 6 4 No LCD Message 137 DP CL18 ...
Page 138: ...138 DP CL18 ...
Page 139: ...5 Schematic Diagram and Component Reference Guide 139 DP CL18 ...
Page 140: ...140 DP CL18 ...
Page 172: ...DP CL18 172 ...
Page 184: ...6 Replacement Parts List 6 1 Printer Main Control Board 184 DP CL18 ...