Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung Printer ML7300 ML-7300
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ML-7300 Series
SERVICE Manual
LASER PRINTER CONTENTS
1. Precautions
2. Reference Information
3. Product Information
4. Disassembly
5. Trouble Shooting
6. Exploded Views & Parts List
7. Electrical Parts List
8. Block Diagrams
9. PCB Diagrams
10. Port Thru
(Network Printer Card)
11. schematic diagrams
ML-7300N
CORE-FERRITE 1
UNIT-LSU 1
MAN(CARD)- QRG CARD 1
BOX-MAIN 1
ELA HOU-FRE BASE OUT 1
ELA HOU-CST SENSER 1
SCREW-MACHINE 2
IPR-BRKT PAPER SIZE 1
IPR-PUSH PLT SPRING 1
PBA SUB-CASSETTE 1
ELA UNIT-B/K C/O(KME) 1
SCREW-MACHINE 2
CABLE TIE 1
CBF HARNESS-COVER ASS'Y 1
SPRING-C/O 1
SPRING-C/O COM 1
PMO-ACTUATOR C/O 1
MEA RACK-BRKT C/O 1
IPR-BRKT C/O 1
IPR-GROUND BRKT C/O 1
ELA UNIT-PTL 1
PMO-COVER QUENCHING 1
PBA SUB-PTL 1
ELA UNIT-FUSER TERMINAL 1
SCREW-ASS'Y MACH 2
NUT-HEXAGON 2
CABLE TIE 1
CBF HARNESS-FUSING 1
IPR-TERMINAL FU 2
PMO-HOUSING TERMINAL 1
MEA RACK-GUIDE T/R 1
CABLE CLAMP 1
IPR-PLATE SAW 1
PPR-INSULATOR G/TR 1
PMO-GUIDE TRANSFER 1
PMO-HOLDER SAW 1
MEA RACK-EXIT ROLLER 4
SPRING-EXIT ROLL FD 1
PMO-HOLDER EXIT ROLL 1
PMO-ROLLER FD F 1
PMO-ROLLER FD R 1
MEA RACK-TERMINAL HV 1
SPRING-CS 3
ICT-TERMINAL HV 3
MEA UNIT-GUIDE DEVE:L 1
"SPRING-PS,G/DEV" 1
PMO-GUIDE DEV L 1
MEA UNIT-GUIDE DEVE:R 1
"SPRING-PS,G/DEV" 1
PMO-GUIDE DEV R 1
MEA UNIT-HOLDER TR:R 1
SPRING-PLATE TR 1
SPRING-TR_R 1
PMO-BUSH 1
PMO-HOLDER TR R 1
MEA UNIT-HOLDER TR:L 1
SPRING-TR_L 1
PMO-BUSH 1
PMO-HOLDER TR L 1
MEA UNIT-GUIDE P/UPPER 1
IPR-GUIDE P/UPPER 1
UNIT/AGITATOR-BRUSH G/P 1
ELA HOU-MP TRAY 1
PHOTO-INTERRUPTER 1
SCREW-TAPTITE 1
SCREW-TAPTITE 1
SCREW-TAPTITE 2
RING-E 1
SOLENOID-MP 1
CBF HARNESS-MP 1
SPRING-C/O COM 1
SPRING-KNOCK UP MP 1
SPRING-F/P MP 1
BEARING-PICK UP 2
GEAR-CAM 1
IPR-K/UP PLATE MP 1
IPR-BKT SOLENOID MP 1
ICT-SHAFT PICK UP MP 1
PMO-FRAME MP 1
PMO-BUSHING K/UP MP 1
PMO-IDLE PICK UP MP 2
PMO-HOUSING P/UP MP 1
PMO-LIMIT SOLENOID 1
PMO-HOLDER PAD MP 1
PMO-BKT HOLDER MP 1
PMO-ACTUATOR EMPTY 1
PMO-SUB GUIDE MP 1
PMO-GUIDE RING 1
PMO-ACTUATOR PAPER 1
RPR-PAD KNOCK UP MP 1
RPR-RUBBER P/UP MP 1
RPR-FRICTION PAD MP 1
ELA HOU-BRKT DUPLEX 1
SCREW-TAPTITE 1
SCREW-TAPTITE 2
RING-CS 3
RING-E 3
Samsung Electronics I
SOLENOID-DUPLEX 1
SPRING-SOLENOID DP 1
SPRING-PLATE K/UP 1
BELT-TIMMING 1
"GEAR-EXIT/U,ID" 1
"GEAR-DP,IDLE" 2
GEAR-DUPLEX 2
IPR-BRKT DUPLEX 1
IPR-LINK DUPLEX 1
ICT-SHAFT BELT 1
ICT-SHAFT BELT2 1
ICT-SHAFT SWING 1
PMO-BRKT GEAR LOWER 1
PMO-BEARING LARGE DP 4
"PMO-BEARING SMALL,DP" 2
PMO-PULLEY DUPLEX 2
ELA HOU-ENGINE_7300 1
PPR-INSULATOR PCU 1
PBA MAIN-ENGINE_7300 1
MEA UNIT-SHIELD PCU 1
SCREW-TAPTITE 2
SCREW-TAPTITE 4
SCREW-TAPTITE 2
SCREW-TAPTITE 3
CBF HARNESS-DUPLEX GND 1
SPRING-FRONT DP 1
BELT-TIMMING 1
GEAR-DUPLEX 1
IPR-BRKT SUPPORTER 1
IPR-GUIDE DUPLEX 1
IPR-GUIDE FRONT DP 1
IPR-SHIELD PCB 1
IPR-SPRING UPPER DP 2
IPR-BRKT IDLE ROLLER 1
IPR-SHEET FRONT DP 1
PMO-ACTATOR FRONT DP 1
PMO-GUIDE UPPER DP 1
"PMO-LEVER-OPEN,DP" 1
PMO-BEARING LARGE DP 4
PMO-PULLEY DUPLEX 2
PMO-ROLLER UPPER DP 2
PMO-ACTUATOR EMPTY 1
PMO-IDLE ROLLER 1
RPR-CUSHION GUIDE 1
RCT-ROLLER LOWER DP 2
ELA HOU-FRAME BASE IN 1
PHOTO-INTERRUPTER 1
FAN-DC 1
SCREW-MACHINE 1
SCREW-MACHINE 2
SCREW-TAPTITE 4
SCREW-TAPTITE 2
SCREW-TAPTITE 2
SCREW-TAPTITE 8
SCREW-TAPTITE 1
SCREW-TAPTITE 4
SCREW-TAPTITE 2
SCREW-TAPTITE 1
SCREW-TAPTITE 7
SCREW-TAPTITE 4
SCREW-TAPTITE 3
SCREW-TAPTITE 1
SCREW-TAPTITE 4
SCREW-TAPTITE 1
SCREW-TAPTITE 3
SCREW-TAPTITE 3
SCREW-TAPTITE 1
SCREW-TAPTITE 4
SCREW-TAPTITE 2
SCREW-TAPTITE 2
SCREW-TAPTITE 2
SCREW-TAPTITE 1
SCREW-TAPTITE 1
SCREW-TAPTITE 1
SCREW-TAPTITE 1
SCREW-TAPTITE 1
SCREW-TAPTITE 1
SCREW-TAPTITE 2
SCREW-TAPTITE 1
SCREW-TAPTITE 2
SCREW-TAPTITE 1
SCREW-TAPTITE 1
SCREW-TAPTITE 2
SCREW-TAPTITE 2
SCREW-TAPTITE 4
SCREW-TAPTITE 2
SCREW-TAPTITE 3
SCREW-TAPTITE 2
SCREW-TAPTITE 5
SCREW-TAPTITE 1
SCREW-TAPTITE 2
RING-CS 8
CABLE TIE 2
CABLE TIE 1
CABLE CLAMP 2
SPRING-CLUTCH 2
CBF-HARNESS-LSU(18P) 1
CBF HARNESS-DUPLEX GND 1
CBF HARNESS-BRUSH GND 1
CBF HARNESS-JOINT+ENGINE 1
CBF HARNESS-EMI WIRE 1
CBF HARNESS-CASSETTE 1
CBF HARNESS-SCF1 1
CBF HARNESS-VIDEO 1
CBF HARNESS-SMPS 1
II Samsung Electronics
CBF HARNESS-MP GND 1
CBF HARNESS-JOINT 1
SPRING-G_FRONT 1
FOOT-RUBBER 2
BEARING-E/UP R 1
GEAR-EXIT 1
"GEAR-EXIT/U,ID" 4
GEAR-P/UP DRIVE 2
"GEAR-DP,IDLE" 1
"GEAR-EXIT,IDLE(Z17)" 1
ICT-BRKT SUPPORTER2 1
IPR-GROUND ICU 1
IPR-GROUND BOTTOM 1
IPR-FRAME ICU 1
IPR-PLATE CST GUIDE 1
IPR-SHIELD ICU 1
IPR-GROUND BRKT GEAR 1
IPR-GROUND FUSER 1
IPR-GROUND OPC 1
IPR-TERMINAL T/R 1
IPR-BRKT DUST 1
IPR-COVER PCB 1
IPR-GROUND DU BRKT 1
IPR-GROUND EXIT ROLL 1
IPR-BAR CROSS BOTTOM 2
IPR-GUIDE P/FRONT 1
IPR-GND SHIELD SMPS 1
IPR-GROUND MP CON 1
IPR-GND BAR BOTTOM 1
IPR-GROUND FUSER R 1
IPR-PLATE GRIP CST 1
ICT-SPACER FRAME 1
PMO-ACTATOR REAR DP 1
PMO-FRAME BASE 1
PMO-ACTUATOR FEED 1
PMO-CAP WIRE 1
PMO-CAP ACT FEED 1
PMO-CAP WIRE CST 1
PMO-CAP TERMINAL TR 1
PMO-HINGE GUIDE R 1
PMO-STRIPE 1
PMO-GUIDE EXIT FD 1
PMO-HOLDER-G/PAPER 1
PMO-CLEANER LSU 1
PMO-CAP WIRE LSU 1
PMO-LEVER STACKING 1
PMO-LEVER SEESAW 1
PMO-LEVER STACKING 2 1
PMO-REAR CST ALIGN 2
RCT-ROLLER EXIT FD 1
"MEC-BEARING,EXIT" 1
MEC-BRUSH 1
ELA HOU-SOCKET CON 1
SPRING-TONER SENSOR 3
PMO-HOLDER_LOWER 1
PMO-HOLDER_UPPER 1
MEA RACK-ROLLER TR 1
RING-E 1
GEAR-TRANSFER 1
MEC-ROLLER TRANSFER 1
CABLE CLAMP 1
ELA HOU-SMPS 1
SMPS 1
SPRING-LINK WIRE 1
HEAT SINK-SMPS 1
IPR-SHIELD SMPS 1
PMO-CAP POWER 1
PMO-CAP WIRE SUPPORT 1
ELA HOU-COVER MAIN 1
PMO-COVER-RIGHT 1
PMO-COVER EXIT 1
PMO-LINK TRAY 2
ELA HOU-COVER HOUSING 1
SCREW-TAPTITE 6
ELA HOU-COVER TOP 1
SCREW-TAPTITE 2
SCREW-TAPTITE 1
IPR-SPRING HINGE 2
PMO-COVER TOP 1
PMO-STOPPER HINGE 1
MEA RACK-COVER OPEN 1
SPRING-CS 1
SPRING-HOOK LEVER2 1
LABEL(P)-LSU CLEAN 1
PMO-COVER OPEN 1
PMO-BUTTON-OPEN 1
PMO-HOOK OPEN 1
PMO-STACKER 1
ELA UNIT-PNL&LCD 1
SCREW-TAPTITE 1
SPRING-LCD LOCKER 1
IPR-INSULATOR PANEL 1
PMO-HOUSING PANEL U 1
PMO-HOUSING-PANEL.L 1
PMO-KEY-SEESAW 1
PMO-WINDOW PANEL 1
PMO-KEY ONLINE 1
PMO-LCD LOCKER 1
PBA SUB DISP-PANEL 1
PBA SUB DISP-LCD 1
PBA SUB DISP-PNL&LCD 1
MEA UNIT-COVER FRONT 1
SPRING-CS 1
PMO-COVER-FRONT 1
PMO-BUTTON-POWER 1
MEA UNIT-COVER LEFT 1
III
Samsung Electronics
PMO-COVER-LEFT 1
PMO-AIRDUCT 1
MEA UNIT-RACK COVER REAR 1
SCREW-TAPTITE 3
SPRING-FEED RLL 3
SPRING-REAR 2
GEAR-DUPLEX 1
ICT-BRKT REAR COVER 1
IPR-SPRING UPPER DP 1
PMO-COVER-REAR 1
PMO-BEARING LARGE DP 2
PMO-ROLLER UPPER DP 1
PMO-GUIDE INNER DP 1
PMO-IDLE PICK UP 3
RCT-ROLLER REAR DP 1
MEA UNIT-COVER TRAY 1
PMO-COVER-TRAY 1
PMO-COVER COLOR 1
PMO-SUBTRAY-FIRST 1
PMO-SUBTRAY-SECOND 1
MEA UNIT-TRAY MP 1
ICT-SHEET SIDE GUIDE 1
PMO-SIDE GUIDE TRAY 1
PMO-TRAY-MP 1
ELA HOU-BRKT MOTOR 1
GREASE-BEARING 0.001
MOTOR-STEP 1
SCREW-MACHINE 3
SCREW-MACHINE 2
WASHER-PLAIN 2
WASHER-PLAIN 1
RING-E 1
GEAR-118/23 1
GEAR-RDCN OPC 1
GEAR-IDLE 97 1
GEAR-IDLE FU 1
GEAR-OPC DRV2 1
GEAR-FUSER DRIVE 1
GEAR-OPC DRIVE(12) 1
GEAR-FEED DRIVE 1
IPR-BRACKET MOTOR J 1
IPR-BRACKET(MOTOR 21) 1
ELA HOU-DEVE UNIT(E) 1
ELA HOU-CONTROLLER(N) 1
PBA ETC-POSTSCRIPT 1
PBA MAIN-CONTROLLER 1
ELA HOU-ABZO 1
SCREW-MACHINE 2
CAP-BRKT NET OPT 1
PBA SUB-NPC(NEC) 1
MEA ETC-CONTROLLER BRKT(N) 1
SCREW-TAPTITE 3
IPR-BKT SERIAL 1
MEC-BRKT ICU & GASKET 1
IPR-BRKT ICU(B) 1
RPR-GASKET ICU(10) 1
RPR-GASKET ICU(20) 1
RPR-GASKET ICU(90) 1
ELA HOU-FUSER ASS'Y 1
LAMP-HALOGEN 1
SCREW-TAPTITE 2
SPRING-RAIL 2
ELA HOU-COV FU UPPER 1
THERMOSTAT 1
SCREW-TAPTITE 1
SCREW-TAPTITE 1
SCREW-TAPTITE 2
IPR-ELECTRODE FU R 1
IPR-ELECTRODE FU/L 1
IPR-ELECTRODE M 1
PMO-COVER FUSER UP 1
PMO-CAP TERMINAL 1
ELA HOU-FRAME FUSER 1
THERMISTOR-NTC 1
SCREW-TAPTITE 2
SCREW-TAPTITE 2
SCREW-TAPTITE 1
SCREW-TAPTITE 3
SPRING-PR(7300) 2
BEARING-PRESSURE/R 2
BEARING-H/R L 1
BEARING-H/R R 1
GEAR-FUSER 1
IPR-FRAME FUSER 1
IPR-SPR THERMISTOR 1
PMO-GUIDE FRONT 1
PMO-RAIL FUSER L 1
PMO-RAIL FUSER R 1
RCT-ROLLER HEAT 1
MEC-ROLLER PR(7300) 1
MEA RACK-COV FU LOW 1
SPRING-SAPERATION 4
SPRING-FUSER EXIT 3
BEARING-EXIT FU L 2
BEARING-EXIT FU 2
GEAR-EXIT 2
LABEL(P)-CLEAN FELT 1
PMO-GUIDE CLAW 4
PMO-COVER FUSER LOW 1
ROLLER-EXIT 3
RCT-ROLLER EXIT FU 2
MEA RACK-BRK GEAR FU 1
RING-CS 4
"GEAR-EXIT/U,ID" 2
"GEAR-EXIT,IDLE(Z17)" 2
PCT-SHEET H/R 1
IV Samsung Electronics
PMO-BRKT FUSER GEAR 1
MEA RACK-GUIDE REAR 1
SPRING-ACTUATOR 1
LABEL(P)-FUSER JAM 1
LABEL(P)-HIGH TEMPER 1
PMO-REAR FUSER 1
PMO-ACTUATOR EXIT 1
MEA UNIT-FEEDER CST 1
TAPE-FILAMENT 0.1
SCREW-MACHINE 1
SCREW-TAPTITE 1
SCREW-TAPTITE 1
SCREW-TAPTITE 2
SCREW-TAPTITE 1
SCREW-TAPTITE 2
RING-E 1
SPRING-PLATE K/UP 1
SPRING-LEVER 1
SPRING-SUB PLATE 2
LABEL(R)-CST REAR 1
LABEL(R)-INSTRUCTION 1
IPR-FINGER 1
IPR-GUIDE EXT LOCK 1
IPR-GUIDE PAPER SCF 1
IPR-GUIDE PLT PAPER 2
IPR-PLATE KNOCK UP 1
IPR-PLATE SPR LOCK 1
IPR-PLATE SUB K/UP 1
IPR-SPR PLATE G/SIDE 1
ICT-SHAFT SPR K/UP 1
PMO-COVER-GUIDE EXT 1
PMO-BUSH K/UP 2
PMO-CAP PLATE K/UP 1
PMO-FRAME-CASSETTE 1
PMO-GUIDE-EXT CST 1
PMO-GUIDE-PAPER 1
PMO-GUIDE PAPER SIZE 1
PMO-GUIDE-SIDE CST 1
PMO-LINK LEVER 1
PMO-SIDE GUIDE EXT 1
PMO-SUB GUIDE-CST 1
PMO-LEVER PAPER 1
PMO-ROLLER FD R 1
PMO-WINDOW PAPER 1
PMO-LOCKER PLATE 1
RPR-PAD CST 1
"SPRING-LOCKER,PLATE" 1
MEA RACK-PICK UP 1
GREASE-BEARING 0.001
GREASE-BEARING 0.001
SCREW-TAPTITE 1
WASHER-PLAIN 5
RING-CS 1
SPRING-FEED SMALL 1
SPRING-FEED LARGE 1
BEARING-PICK UP 4
GEAR-P/UP DRIVE 1
GEAR-PICK UP 1
GEAR-FEED 1
IPR-SHAFT FEED IDLER 2
IPR-PAPER GUIDE FEED 1
IPR-GROUND FEED 1
ICT-SHAFT IDLE LARGE 1
ICT-SUB SHAFT P/UP 1
ICT-SHAFT FEED 1
ICT-SHAFT PICK UP 1
PMO-ROLLER FEED L 2
PMO-ROLLER FEED S 1
PMO-SUB HOLDER FEED 1
PMO-FRAME FEED 1
PMO-HOUSING PICK UP 1
PMO-FEED ROLL DRIVE 1
PMO-HOLDER FEED S 1
PMO-HOLDER FEED L 1
RPR-RUBBER PICK UP 1
INA-TEST 110V 1
PAPER-ART 0.02
PAPER-ART 1
PAA WOOD-LABEL ASS'Y(STA) 1
LABEL(P)-DUPLEX 1
LABEL(P)-ENERGY ST. 1
"LABEL(P)-CAU,LSU" 1
LABEL(P)-JAM2 1
LABEL(P)-BLANK(ML) 2
LABEL(P)-NPC_TEST_L 1
LABEL(R)-LASER 1
LABEL(R)-TR CHANGE 1
LABEL(R)-RATING 1
LABEL(R)-S/N(STA) 1
MEC-BARCODE 1
PAA WOOD-PACKING ASS'Y 1
TAPE-OPP MASKING 1.5
TAPE-FILAMENT 0.7
"CUSHION--CUSHION SET,N" 1
CUSHION--SPACER 2
BAG-PE SET 1
CUSHION-DEV KME 2
CUSHION-DEV 1
CUSHION-CST 1
INA-ACCESSORY(XAR) 1
S/W APPLICATION-DRIVER CD 1
MAN(BOOK)-7000N3/XAR 1
MAN(BOOK)-USER MANUAL 1
LABEL(R)-CUSTOMER 1
"MAN(CARD)-WARR, STA" 1
V
Samsung Electronics
Contents
1. Precautions
1-1 Safety precautions ______________________________1-1
1-2 Laser Safety Statement __________________________1-2
2. Reference Information 2-1 Abbreviations and Acronyms _____________________2-1
2-2. Diagnostic Control Unit_________________________2-3
2-2-1. Abstract ________________________________2-4
2-2-2. List of code description_____________________2-5
3.Product Information
3-1 General Specifications ________________________3-1
3-2 Controller Specifications _______________________3-2
3-3 Electrical Specifications _______________________3-2
3-4 Environmental Condition _______________________3-3
3-5 Image Cartridge(Developer) ____________________3-3
3-6 Paper Handling Specifications __________________3-4
4. Disassembly 4-1 Front View __________________________________4-1
4-2 Rear View __________________________________4-1
4-3 Cabinet Disassembly __________________________4-2
4-3-1. Cover Right _____________________________4-2
4-3-2. Cover Left _____________________________4-4
4-3-3. Cover Front ____________________________4-5
4-3-4. Cover Main ____________________________4-5
4-3-5. Cover Rear ____________________________4-6
4-4 Video Controller board & Joint board _______________4-7
4-5 Fuser Ass'y ________________________________4-9
4-6 Bracket Motor Ass y & Cover Open Switch Unit _____4-12
4-7 Pickup Ass'y __________________________________4-14
4-8 Laser Scanner Unit _____________________________4-15
4-9 Multi Purpose Tray _____________________________4-17
4-10 Control Pane _________________________________4-20
4-11 Engine Controller Board ________________________4-22
4-12 SMPS & Bracket Duplex Ass y __________________4-26
4-13 Transfer Roller Ass'y___________________________4-28
5. Troubleshooting 5-1 Print Quality ________________________________5-1
5-2 HVPS Output Spec _____________________________5-3
5-3 Malfunction____________________________________5-4
5-4 .Connector Pin Assignment _________________________5-8
5-4-1. Engine Board Connector Pin Assignment ______5-8
5-4-2. Joint Board Connector Pin Assignment _________5-9
5-4-3. S.C.F Board Connector Pin Assignment ________5-11
5-5 .Troubleshooting of Video Controller _________________5-12
5-5-1. Troubleshooting Flow Chart __________________5-12
Power Error __________________________________5-13
System Error _________________________________5-14
Engine Error _________________________________5-15
Self Test Error ________________________________5-15
Parallel Interface Error _________________________5-16
Printing Error _________________________________5-16
5-5-2. Troubleshooting Table of Video Controller Board__5-16
6. Exploded Views
6-1. Main Ass'y _________________________________6-2
& Parts List 6-2. Cover Ass'y ________________________________6-4
6-3. Frame Ass'y ________________________________6-8
6-4. Cassette Ass'y ______________________________6-12
6-5. MP Tray Ass'y ______________________________6-14
6-6. Pick Up Ass'y _______________________________6-16
6-7. Fuser Ass'y ________________________________6-18
6-8. Shield Ass'y ________________________________6-20
6-9. Bracket Duplex Ass'y _________________________6-22
6-10. Bracket Motor Ass'y _________________________6-24
6-11. Frame SCF Ass'y ___________________________6-26
6-12. Cassette SCF Ass'y _________________________6-29
7. Electrical 7-1. Main Engine PBA ___________________________7-1
Parts Lists 7-2. Main Controller PBA ________________________7-5
7-3. FLASH MEMORY PBA _____________________7-8
7-4. PTL PBA __________________________________7-8
7-5. CASSETTE PBA ____________________________7-8
7-6. POSTSCRIPT PBA __________________________7-8
7-7. DISP-PANEL PBA ___________________________7-9
7-8. DISP-LCD PBA _____________________________7-9
7-9. TONER PBA _______________________________7-9
7-10. NETWORK CARD PBA(100BASE) _____________7-10
8-1 WIRING DIAGRAM ___________________________8-1
8- Bloack Diagrams
8-2 Engine Controller Block Diagram___________________8-2
8-3 Video Controller Block Diagram____________________8-3
ii Samsung Electronics
9. PCB Diagrams 9-1. Engine Control & Joint Board _____________________9-1
9-2. Cassette Sensor Board__________________________9-2
9-3. Video Controller Board __________________________9-3
9-4. Panel & LCD Board_____________________________9-4
9-5. PTL (Pre Transfer Lamp) Board ___________________9-5
9-6. SCF(Second Cassette Feeder) Board ______________9-6
9-7. Infrared Adapor Board __________________________9-7
9-8. Flash SIMM Board _____________________________9-8
9-9. Postscript Board _______________________________9-8
9-10. Local Talk ___________________________________9-9
9-11. Serial/IrDA Board _____________________________9-10
10. PortThru (Network Printer Card) 10-1. Introduction __________________________________10-1
Circuit Description 10-2. Board Description _____________________________10-2
10-2-1 Configuration of Network Board_______________10-2
10-2-2 Network Board Connector Pin Assignment ______10-3
10-3 Troubleshooting of Network Card _________________10-4
10-3-1 Troubleshooting Flow Chart__________________10-4
Power Error __________________________________10-5
System Error _________________________________10-6
Network Error ________________________________10-7
PHY Chip Error _______________________________10-8
Shared Memory Interface Error___________________10-9
10-3-2 Troubleshooting Table of Network Card ________10-10
11. Schematic Diagrams
11-1 Main Circuit Diagram_________________________11-1
11-2 Engine Circuit Diagram _______________________11-13
11-3 Cassette Circuit Diagram _____________________11-19
11-4 Pan◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo