Panasonic UF-5500, Service Manual

Page: 2 / 365

2
UF-5500 / 4500
TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions ----------------------------------------------- 5
1.1. For Service Technicians ----------------------------------5
1.2. AC Caution---------------------------------------------------5
1.3. Personal Safety Precautions ----------------------------6
1.3.1. Moving Sections of the Unit-------------------------6
1.3.2. Live Electrical Sections ------------------------------6
1.4. Service Precautions ---------------------------------------6
1.4.1. Precautions to Prevent Damage from
Static Electricity ----------------------------------------6
2 Warning -------------------------------------------------------------- 7
2.1. About Lead Free Solder (PbF: Pb free) --------------7
2.1.1. Suggested PbF Solder -------------------------------7
2.2. Disposing of the P. C. Board ----------------------------8
2.3. Insulation Resistance Test -------------------------------8
2.4. Battery Caution ---------------------------------------------8
2.5. Laser Beam and Fuser Unit Section ------------------9
2.6. Note for Repairing------------------------------------------9
3 Specifications ---------------------------------------------------- 10
3.1. Fax Function----------------------------------------------- 10
3.2. Printer & Scanner Function (UF-5500 only) ------- 19
4 General/Introduction ------------------------------------------- 20
4.1. Optional Accessories------------------------------------ 20
5 Hardware Requirements for Printer Driver and
Application Software ------------------------------------------- 21
6 Technical Descriptions ---------------------------------------- 22
6.1. Connection Diagram------------------------------------- 22
6.2. General Block Diagram--------------------------------- 23
6.3. Main Board Section-------------------------------------- 25
6.3.1. Data Flow---------------------------------------------- 25
6.3.2. RTC Backup Circuit--------------------------------- 34
6.3.3. Modem Circuit Operation-------------------------- 34
6.3.4. TEL Line Section ------------------------------------ 35
6.4. NCU Section----------------------------------------------- 36
6.4.1. General ------------------------------------------------ 36
6.4.2. EXT. TEL. Line Relay (RLY100) ----------------- 36
6.4.3. Bell Detection Circuit ------------------------------- 36
6.4.4. Remote FAX Activation Circuit ------------------- 36
6.4.5. TAM Interface Circuit ------------------------------- 36
6.5. ITS (Integrated Telephone System) and
Monitor Section ------------------------------------------- 37
6.5.1. General ------------------------------------------------ 37
6.6. CIS Control Section-------------------------------------- 38
6.7. Motor Drive Section-------------------------------------- 39
6.7.1. Engine Motor Control Circuit --------------------- 39
6.7.2. Scanner Motor Drive Circuit ---------------------- 41
6.8. Timing Chart and Waveform of Scanner
Motors------------------------------------------------------- 44
6.8.1. Normal 1-2 phase excitation (half step)-------- 44
6.8.2. Flat torque 1-2 phase excitation (half step) --- 45
6.8.3. W1-2 phase excitation (Quarter step) ---------- 46
6.8.4. Drive mode of ADF motor ------------------------- 47
6.9. FAN Motor Section--------------------------------------- 47
6.9.1. General ------------------------------------------------ 47
6.9.2. Circuit Diagram of FAN ---------------------------- 48
6.9.3. Fan Control ------------------------------------------- 48
6.9.4. Control table ------------------------------------------ 49
6.9.5. Waveform---------------------------------------------- 49
6.10. Solenoid Driver Section -------------------------------- 50
6.11. LSU (Laser Scanning Unit) Section ----------------- 51
6.12. Sensors and Switches Section----------------------- 53
6.12.1. Drum Detection ------------------------------------- 54
6.12.2. Pickup Sensor --------------------------------------- 54
6.12.3. Exit Sensor ------------------------------------------- 55
6.12.4. Read Position Sensor------------------------------ 55
6.12.5. Registration Sensor -------------------------------- 56
6.12.6. Print Timing Sensor -------------------------------- 56
6.12.7. Document Sensor----------------------------------- 57
6.12.8. Top Cover Sensor----------------------------------- 57
6.12.9. Toner Sensor.... “Out of Toner”, “Toner
Low”, “Replace Drum” ----------------------------- 58
6.12.10. ADF Cover Open Switch -------------------------- 61
6.13. Operation Board Section ------------------------------ 62
6.14. LCD Section----------------------------------------------- 63
6.15. HVPS (High Voltage Power Supply) Section ----- 64
6.15.1. HVPS Specification--------------------------------- 64
6.15.2. CHG-BIAS (Charge BIAS)/GRID/ UNIT------- 64
6.15.3. DEV DC BIAS UNIT-------------------------------- 65
6.15.4. DEV AC BIAS UNIT -------------------------------- 65
6.15.5. TRA (+) BIAS (Transfer (+) BIAS)/TRA (-)
BIAS (Transfer (-) BIAS) UNIT------------------- 65
6.16. Heat Lamp Control Circuit ----------------------------- 66
6.17. Main Board Section ------------------------------------- 69
6.18. Power Supply Board Section ------------------------- 72
6.19. Mechanical Operation ---------------------------------- 73
6.19.1. Printing ------------------------------------------------ 73
6.19.2. Scanning (ADF) ------------------------------------ 73
7 Location of Controls and Components ----------------- 74
7.1. Overview --------------------------------------------------- 74
7.2. Control Panel --------------------------------------------- 75
7.2.1. Control Panel - For only U.S.A. (AU) -------- 75
7.2.2. Control Panel - For only CANADA (AC) ---- 76
8 Installation Instructions -------------------------------------- 77
8.1. Installation ------------------------------------------------- 77
8.1.1. Installation Space ----------------------------------- 77
8.1.2. DOCUMENT TRSAY AND RECORDING
PAPER TRAY ---------------------------------------- 78
8.1.3. RECORDING PAPER----------------------------- 79
8.1.4. Documents the Unit Can Send ------------------ 81
8.1.5. Toner Cartridge and the Drum Cartridge------ 83
8.1.6. When Connecting using a USB Port (UF-
5500 only)--------------------------------------------- 86
8.1.7. When Connecting using a Network Port
(UF-5500 only)--------------------------------------- 87
8.2. Connections----------------------------------------------- 88
9 User Mode --------------------------------------------------------- 89
9.1. Fax Parameter Table ----------------------------------- 89
10 Service Mode ----------------------------------------------------- 92
10.1. Service Modes (For Facsimile)----------------------- 92
10.1.1. Service Mode Table -------------------------------- 92
10.1.2. Service Mode 1 (Function Parameter
Setting) ------------------------------------------------ 93
10.1.3. Service Mode 3 (Printout of Lists, Reports
and Test Results) ----------------------------------- 99
10.1.4. Service Mode 4 (Modem Test)------------------ 110
10.1.5. Service Mode 5 (Diagnostic) -------------------- 114
10.1.6. Service Mode 6 (RAM Initialization)----------- 115
10.1.7. Service Mode 7 (LBP Service Mode) --------- 116
10.1.8. Service Mode 8 (Check & Call)----------------- 117