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1312
SERVICE HANDBOOK




May. 1999
Ver. 2.0

KONICA CORPORATION
TECHNOLOGY SUPPORT CENTER
TOKYO JAPAN
Powered by
Aleck Kholopov
Slash, Ltd
( 095 201 48 20
" http://www.slash.ru
* [email protected]
Powered by
Aleck Kholopov
Slash, Ltd
( 095 201 48 20
" http://www.slash.ru
* [email protected] Contents



Chapter 1 Specifications 3-2-2. Copy Using the Manual Feed Bypass
Tray .......................................................... 3-7
1-1. Outline ........................................................ 1-1 3-2-3. RE(Preset Ratio)Mode ........................... 3-7
1-2. Guaranteed working conditions .............. 1-1 3-2-4. Zoom Mode ............................................. 3-8
1-3. General specifications .............................. 1-2 3-2-5. Useful Functions .................................... 3-9
1-4. Copy specifications .................................. 1-2 3-2-6. Setting Procedure ................................ 3-10
1-5. Consumable parts specifications ............ 1-3 3-3. Troubleshooting ...................................... 3-13
1-6. Option specifications ............................... 1-3 3-3-1. Copy Quality-Related Troubles .......... 3-13
3-3-2. Error Codes and Remedies................. 3-14
1-7. Factory installed options specifications .... 1-3
3-4. Copier management ............................... 3-18
3-4-1. Periodic Maintenance .......................... 3-18
Chapter 2 Installation 3-4-2. Daily Maintenance ............................... 3-27
3-4-3. Copy Materials ..................................... 3-29
2-1. 1312 INSTALLATION PROCEDURE ......... 2-1
2-1-1. Removing protective materials ............ 2-2 Chapter 4 Adjustment
2-1-2. Preparing for the drum unit and the
developing unit ........................................ 2-3 4-1. Toner density ............................................. 4-1
2-1-3. Loading the toner cartridge .................. 2-5 4-2. Fusing temperature .................................. 4-1
2-1-4. Installing the paper exit tray ................. 2-5 4-3. Exposure voltage ...................................... 4-2
2-1-5. Loading copying paper ......................... 2-6 4-4. Image position ........................................... 4-2
2-1-6. Turning on the power and initializing the 4-4-1. Center position ...................................... 4-2
developing unit and setting the paper 4-4-2. Leading edge position ........................... 4-3
size ........................................................... 2-7 4-4-3. Image skew............................................. 4-3
2-2. DEVELOPING UNIT INSTALLATION 4-5. Magnification adjustment ......................... 4-3
PROCEDURE ............................................. 2-9 4-5-1. Feeding direction
2-2-1. Replace the developing unit ................. 2-9 (Vertical magnification) ........................... 4-3
2-2-2. Loading the toner cartridge ................ 2-10 4-5-2. Crosswise direction
2-2-3. Initializing the developing unit ........... 2-10 (Horizontal magnification) ...................... 4-4
2-3. DRUM UNIT INSTALLATION 4-6. Optical section adjustment ...................... 4-4
PROCEDURE ........................................... 2-11 4-6-1. Light distribution ................................... 4-4
2-3-1. Replacing the drum unit ...................... 2-11 4-6-2. Scanner reference position .................. 4-5
2-3-2. Initializing the drum unit ..................... 2-13 4-6-3. Lens reference position ........................ 4-5
1 2-3-3. Cleaning the pressure(rubber)roller .. 2-13 4-6-4. Diagonal distortion ................................ 4-5
2-4. TONER CARTRIDGE INSTALLATION 4-6-5. Image distortion ..................................... 4-5
PROCEDURE ........................................... 2-14 4-6-6. Focus ...................................................... 4-5
2-4-1. Loading the toner cartridge ................ 2-14 4-6-7. Image center position ............................ 4-6
2-4-2. Replacing the cleaning pad ................ 2-15 4-6-8. Focus (Horizontal blurring) ................... 4-6
2-5. CASSETTE FEEDER INSTALLATION 4-6-9. Horizontal magnification ....................... 4-6
PROCEDURE ........................................... 2-16 4-7. Leading and trailing edges erase
2-5-1. Installing the cassette feeder ............. 2-16 width ............................................................ 4-6
2-5-2. Setting the paper size .......................... 2-17
2-6. REPLACEMENT OF THE DEVELOPER . 2-18
2-6-1. Replacement of the developer ............ 2-18 Chapter 5 Disassembly
1 2-7. PRESSURE(RUBBER)ROLLER CLEANING
PROCEDURE ........................................... 2-19 5-1. Cover .......................................................... 5-1
1 2-7-1. Cleaning the pressure(rubber)roller 5-1-1. Platen cover ........................................... 5-1
(Periodic cleaning) ............................... 2-19 5-1-2. Left cover ................................................ 5-1
1 2-7-2. Cleaning the pressure(rubber)roller 5-1-3. Right cover ............................................. 5-1
(Additional cleaning) ............................ 2-21 5-1-4. Upper rear cover .................................... 5-1
5-1-5. Lower rear cover .................................... 5-1
Chapter 3 Operating Instructions 5-1-6. Front cover ............................................. 5-1
5-2. Platen glass ............................................... 5-2
3-7. Machine configuration and function ....... 3-1
5-3. Operation panel ......................................... 5-2
3-1-1. Main Body ............................................... 3-1
5-4. Paper feed unit .......................................... 5-2
3-1-2. Control Panel ......................................... 3-3 1 5-4-1. Paper feed (segment) roller(Main unit) .. 5-2
3-2. Copying operations .................................. 3-5
1 5-4-1'. Paper feed (segment) roller
3-2-1. How to Make a Basic Copy ................... 3-5
(Optional cassette feeder) ................. 5-2-1

MODEL MANUAL REVISED EDITION DATA PAGE METHOD
1312 SERVICE HANDBOOK 1 May.1999 1 REPLACEMENT
Powered by
Aleck Kholopov
Slash, Ltd
Contents ( 095 201 48 20
" http://www.slash.ru
* [email protected]



5-4-2. Slip roller ................................................ 5-3 7-3-2. High voltage unit (UNIT HV) .................. 7-9
5-5. Conveyance and transfer unit ................. 5-3 7-3-3. Power supply board (UNIT PSU) ........ 7-12
5-5-1. Transfer roller ......................................... 5-3 7-4. IC list ........................................................ 7-13
5-5-2. Upper regist roller .................................. 5-3 7-5. Test points and VR list ........................... 7-14
5-5-3. Lower regist roller ................................. 5-3 7-6. Electrical parts layout drawing .............. 7-14
5-6. Fixing unit .................................................. 5-4 7-6-1. PCB, lamp (heater), fuse (rating) ........ 7-14
5-6-1. Fixing upper cover ................................. 5-4 7-6-2. Clutches (solenoid) and motors ......... 7-15
5-6-2. Thermistor and thermostat ................... 5-4 7-6-3. Sensors and switches ......................... 7-15
5-6-3. Heater lamp ............................................ 5-4
5-6-4. Separation claws ................................... 5-4
5-6-5. Heat roller ............................................... 5-5 Chapter 8 Service Functions
5-6-6. Pressure (rubber) roller......................... 5-5
5-7. Optical section .......................................... 5-5 8-1. Error codes ................................................ 8-1
5-7-1. Lens cover .............................................. 5-5 8-2. User setting mode ..................................... 8-4
5-7-2. No. 6 mirror unit ..................................... 5-5 8-2-1. Setting procedure .................................. 8-4
5-7-3. Exposure lamp ....................................... 5-5 8-2-2. Setting item list ...................................... 8-4
5-7-4. Temperature fuse ................................... 5-5 8-3. Service mode ............................................. 8-6
5-7-5. Scanner wire .......................................... 5-6 8-3-1. Entering the service mode .................... 8-6
5-8. SDH unit ..................................................... 5-6 8-3-2. 25 mode .................................................. 8-7
5-8-1. S1sensor ................................................. 5-6 8-3-3. 36 mode .................................................. 8-9
5-8-2. S2 sensor ................................................ 5-6 8-3-4. 47 mode ................................................ 8-11
5-8-3. Paper feed clutch, paper feed roller..... 5-7 8-4. Backup data ............................................. 8-13
5-8-4. Separation roller .................................... 5-7 8-5. Automatic paper size detection ............. 8-13
5-8-5. Gear frame .............................................. 5-7 8-6. General operation mode ......................... 8-14
5-8-6. Lower conveyance roller ....................... 5-7
5-8-7. Lower turn roller .................................... 5-7
5-8-8. Upper turn roller .................................... 5-7 Chapter 9 Troubleshooting
5-8-9. Paper exit roller ...................................... 5-7
5-8-10. Upper conveyance roller ..................... 5-8 9-1. Defective image and diagnosis flow ....... 9-1
5-9. PCB ............................................................ 5-8 9-1-1. Both sides and trailing edge is black
5-9-1. Operation PCB ....................................... 5-8 when making a reduced copy .............. 9-1
5-9-2. Main PCB ................................................ 5-8 9-1-2. Background fogging
5-9-3. High voltage PCB ................................... 5-9 (White background fogging) ................. 9-2
5-9-4. Power PCB ............................................. 5-9 9-1-3. Black lines .............................................. 9-3
5-10. Replacement of the Ozone filter .......... 5-10 9-1-4. Center deviation ..................................... 9-4
9-1-5. Smearing ................................................ 9-5
Chapter 6 Mechanism 9-1-6. Light copy ............................................... 9-6
9-1-7. Dark copy ............................................... 9-7
6-1. Copy process ............................................ 6-1 9-1-8. Partial skipping of transfer ................... 9-8
6-2. Front cross-section (Main mechanism 9-1-9. Copy is black .......................................... 9-9
parts layout drawing) ................................. 6-3 9-1-10. No image ............................................. 9-10
6-3. Drive conveyance system diagram ......... 6-4 9-1-11. Distorted image .................................. 9-11
9-1-12. White band ......................................... 9-12
9-1-13. Black band.......................................... 9-13
Chapter 7 Electricity 9-1-14. Density balance deviation................. 9-14
9-1-15. Leading position deviation ............... 9-15
7-1. Main control circuits ................................. 7-1 9-1-16. Contamination .................................... 9-16
7-1-1. Toner density control ............................ 7-1 9-1-17. Jittering ............................................... 9-17
7-1-2. Fusing temperature control .................. 7-2 9-1-18. White dots on black matte section... 9-18
7-1-3. JAM detection ........................................ 7-3 9-1-19. Extremely light copy .......................... 9-19
7-1-4. Safety circuit .......................................... 7-4 9-2. Operation defects ................................... 9-20
7-2. Timing chart .............................................. 7-5 9-2-1. Power does not turn ON...................... 9-20
7-2-1. A4, TWO COPIES, CASSETTE PAPER 9-2-2. Copying operation is not possible ..... 9-20
FEED (UPPER) ......................................... 7-5 9-2-3. Paper feed or conveyance defect....... 9-20
7-2-2. A4, TWO COPIES, CASSETTE PAPER 9-2-4. Abnormal noise .................................... 9-21
FEED (LOWER) ........................................ 7-5 9-2-5. Special symptoms ............................... 9-22
7-3. Connector list ............................................ 7-6 9-2-6. Malfunction ........................................... 9-22
7-3-1. Main CB (UNIT MAIN) ............................ 7-6
MODEL MANUAL REVISED EDITION DATA PAGE METHOD
2
1312 SERVICE HANDBOOK 1 May.1999 2 REPLACEMENT
Contents



Chapter 10 Maintenance

10-1. Replacement cycle ................................ 10-1
10-2. Maintenance .......................................... 10-2


Chapter 11 Wiring/Circuit Diagrams

1312/1312F Wiring Diagram for 120V ........... 11-1
1312/1312F Wiring Diagram
for 220V to 240V ........... 11-2
UNIT PSU (1/3) for 120V ................................. 11-3
UNIT PSU MAIN REGULATOR (2/3)
for 120V ........... 11-4
UNIT PSU LAMP REGULATOR (3/3)
for 120V ........... 11-5
UNIT PSU (1/3) for 220V to 240V ................... 11-6
UNIT PSU MAIN REGULATOR (2/3)
for 220V to 240V ........... 11-7
UNIT PSU LAMP REGULATOR (3/3)
for 220V to 240V ........... 11-8
UNIT FUSE ...................................................... 11-9
UNIT MAIN (1/9) ............................................ 11-10
UNIT MAIN CONTROL (2/9) ........................ 11-11
UNIT MAIN OPERATION I/F (3/9) ................ 11-12
UNIT MAIN FUSER I/F (4/9) ......................... 11-13
UNIT MAIN POWER SUPPLY I/F (5/9) ........ 11-14
UNIT MAIN CLUTCH I/F (6/9) ...................... 11-15
UNIT MAIN LOWER CASSETTE I/F (7/9) ... 11-16
UNIT MAIN STEPPING MOTOR I/F (8/9) .... 11-17
UNIT MAIN EXTIO I/F (9/9) .......................... 11-18
UNIT OPERATION (1/2) ................................ 11-19
UNIT OPERATION (2/2) ................................ 11-20
UNIT HV (1/4) ................................................ 11-21
UNIT HV HIGH VOLTAGE (2/4) ................... 11-22
UNIT HV STEPPING MOTOR (3/4) .............. 11-23
UNIT HV TONER MOTOR (4/4) ................... 11-24
UNIT ERASE ................................................. 11-25
UNIT SIDE ERASE ........................................ 11-26
PF-105/105H Wiring Diagram ...................... 11-27
UNIT CASSETTE FEEDER ........................... 11-28




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