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4 Electronic Circuit Description and Diagrams
4.1. Block Diagram
Noise
Filter
Rectifier
Thermistor
Voltage Control
Circuit
Voltage
Detector
+24V
+5V
Fuser Driver
Heat Lamp
Thermal
Fuse
Thermostat
Thermister
TH
+24V IR
nCHGCTL
nDBCTL
nTRCTL
nDB
nTR
TE_LED
Charger
Current
Grid Voltage
Transfer (+, - 2 way)
OPC
Drum
DEV BIAS
Toner
Box
Developer
High Voltage
Circuit
Front Door
Interlock Switch
+24V IR
+24V
+5V
GND
Temp. Limit
Fuser
Control
Circuit
HV Driver
TH from Thermister
nFSRCTL
OPC Drum Unit
Interlock Switch
+5V
LD
Driver
+5V IR
nHSYNC
nVIDEO
nLDENB
nADJUST
+24V IR
APC
Controller
KME_ASIC
nHSYNC
nVIDEO
TH
DOPEN
+24V IR
53.84MHz
Dot Clock
13.46 MHz x 4
ASIC1
IC3
Video
I/F
Parallel
I/F
Decomp.
Circuit
DMA Arbitor
I/O Exit
DRAM
Controller
TTL
TTL
Parallel
Print Data
Status Data
TTL
DRAM 2MB
1MW x 16bit
12MHz
ROM 4KB
RAM
128 BYTE
CPU IC1
RST
nRST
LED Driver
Ready
Error Toner/Process
Switch
Indicator Board
Top
Sensor
Registration
Sensor
nREGSEN
nEXITSEN
RESET IC
12MHz Clock
Exit
Sensor
Toner Empty
(TE) Sensor
A
B
Bipoler
Driver
A
B
nCS
SCK2
SO2
SI2
ROM
16KB
RAM
512 Byte
CPU
PUCTL
REGCTL
EXITCTL
REF CTL
+24V IR
Pick Driver
Regist Driver
Exit Driver
+24V
+24V
Pick Solenoid
Regist Solenoid
Switchback Solenoid
M
SNRCLK
nSNRCNT
nSNRLK
PUNIT
nPRINT
nPURGE
nTOP
PPRDY
nPRDY
Direct
Comm.
EEPCS
EEPCLK
EEPDO
EEPDI
EEPROM
2 k bit
PSAVE
CCLK
nSBSY
nCBSY
SXD
CXD
Serial
Comm.
nRST
to USB Chip
12MHz
MPU I/F
12MHz Clock
USB-Parallel
Bridge Chip
D+
D-
PV-EPP
Conv.
Cotrol
Signals
Cotrol
Signals
Data Signals
USB
2ch Stepping
Motor Controller
CH1
CH2
nTOPSEN
Centronics-USB
Data Selector
&
DRAM RAS-CAS
Generater
Video Signals
Power Supply Unit
Fuser Unit
Main Control Board
High Voltage Supply
OPC Drum Unit
LSU
FAN
Control Circuit
FANERR
FANPWR
FAN
FAN
ERR
FANCTL
+24V IR
TESEN
IC11
IC9
IC5
IC6
IC6
IC6
IC10
IC12
IC6
IC6
IC4
+24V
49
KX-P7100
Summary of Contents for KX-P7100
Page 2: ...2 KX P7100 ...
Page 4: ...1 Introduction 1 1 Specifications 1 1 1 Printer 4 KX P7100 ...
Page 5: ...1 1 2 Paper 5 KX P7100 ...
Page 6: ...1 1 3 Interface Options Accessories and Supplies 6 KX P7100 ...
Page 10: ...10 KX P7100 ...
Page 11: ...1 3 Parts Identification 1 3 1 Front Side View 1 3 2 Rear Side View 11 KX P7100 ...
Page 12: ...1 4 Component Layout and Paper Path 12 KX P7100 ...
Page 13: ...1 5 Electrical Components and Sensor Boards 13 KX P7100 ...
Page 14: ...1 6 Switches and Solenoids 14 KX P7100 ...
Page 48: ...48 KX P7100 ...
Page 72: ...4 5 3 Engine I F Communication 72 KX P7100 ...
Page 80: ...KX P7100 80 ...
Page 99: ...9 1 3 User Error 99 KX P7100 ...
Page 100: ...9 1 4 Call for Service 100 KX P7100 ...
Page 101: ...9 2 Initial Troubleshooting Flowchart 101 KX P7100 ...
Page 102: ...9 3 No Operation 102 KX P7100 ...
Page 103: ...9 4 Print Quality 9 4 1 White Vertical Line in Print 103 KX P7100 ...
Page 104: ...9 4 2 Blank Print 104 KX P7100 ...
Page 105: ...9 4 3 Dark Vertical Line in Print 105 KX P7100 ...
Page 106: ...9 4 4 Dark Horizontal Line in Print 106 KX P7100 ...
Page 107: ...9 4 5 Dirty Background 107 KX P7100 ...
Page 108: ...9 4 6 All black Print 108 KX P7100 ...
Page 109: ...9 4 7 Light Print 109 KX P7100 ...
Page 110: ...9 4 8 Ghosting 110 KX P7100 ...
Page 111: ...9 4 9 Black or White Dots 111 KX P7100 ...
Page 112: ...9 4 10 Toner Spatter 112 KX P7100 ...
Page 113: ...9 5 Paper Jam 9 5 1 Media Tray Empty or Misfeed 113 KX P7100 ...
Page 114: ...9 5 2 Jam at A 114 KX P7100 ...
Page 115: ...9 5 3 Jam at B 115 KX P7100 ...
Page 116: ...9 5 4 Jam at C 116 KX P7100 ...
Page 117: ...9 5 5 Jam at D E 117 KX P7100 ...
Page 118: ...9 6 Call Service 9 6 1 E20 118 KX P7100 ...
Page 119: ...119 KX P7100 ...
Page 120: ...9 6 2 E30 120 KX P7100 ...
Page 121: ...9 6 3 E31 121 KX P7100 ...
Page 122: ...9 6 4 E32 122 KX P7100 ...
Page 123: ...9 6 5 E50 123 KX P7100 ...
Page 124: ...9 6 6 E54 9 6 7 E71 124 KX P7100 ...
Page 125: ...9 6 8 E73 9 6 9 E81 125 KX P7100 ...
Page 126: ...10 Replacement Parts List with Lubrication Guide 10 1 Exterior 126 KX P7100 ...
Page 134: ...10 4 1 Fuser Unit 134 KX P7100 ...
Page 141: ...10 9 Main Control Board Component Side View 141 KX P7100 ...
Page 142: ...Parts Side View 142 KX P7100 ...