Charger Current
Leak
UIB Handshake Fail
LIB Handshake Fail
LDS Handshake Fail
Lower Paper Feed Motor (Motor operation can be checked with service
function 09, mode 6).
Does the SPU r 24VD from the PSU?
Y
N
Does 1POWON go high after Copy is pressed?
Y
N
Replace the SPU or SCU.
Replace the PSU, upper unit interlock switch, or right cover
interlock switch.
Does the SPU 24V at CN3-1 and 2?
Y
N
Replace the SPU.
Does the LIB 24V at CN2-1?
Y
N
Replace the LIB.
Replace the motor or the SPU or SCU.
• Clean the transfer corona wire and unit.
• Check that the development bias is correct (-225 +/- 10 V). If it is not, replace the
power pack.
• Check that the SPU outputs the power and trigger signals to the power pack for
transfer corona and bias. If not, replace the SPU.
• Replace the SPU, SCU, power pack or transfer corona unit if the problem still occurs.
Change the SPU, UIB, or SCU.
Change the SPU, LIB, or SCU.
Change the SCU, SPU, LDS, or UIB.
5-46
Содержание FAX7000L
Страница 2: ......
Страница 8: ...SECTION 1...
Страница 24: ...1 3 2 Minimum Space Requirements 1 15...
Страница 28: ...1 18a...
Страница 50: ...SECTION 2 PROGRAMMING TESTING...
Страница 53: ...2 1 Operation Panel 2 1...
Страница 169: ......
Страница 223: ...S E C T I O N 4...
Страница 234: ...S E C T I O N 5...
Страница 307: ...S E C T I O N 6...
Страница 308: ...SECTION 6 OPTIONAL BAR CODE READER 6 1 Accessory Check List 6 1 6 2 Installation Procedure 6 2...
Страница 311: ...S E C T I O N 7...
Страница 313: ...7 1 Point to point Diagram 7 1...
Страница 314: ...7 2...
Страница 315: ...7 3...
Страница 344: ...7 3 Block Diagrams 1 Overall Machine Control Overall 7 32...
Страница 345: ...Main CPU 7 33...
Страница 346: ...Main Slave CPU Interface 7 34...
Страница 347: ...Slave CPU...
Страница 348: ...Communication Control 7 36...
Страница 349: ...2 Video Data Path Transmission 7 37...
Страница 350: ...Reception 7 38...
Страница 351: ......
Страница 352: ...3 Power Distribution From PSU to SPU 7 40...
Страница 353: ...Distribution by SPU 7 41...
Страница 354: ...UIB and LIB 7 42...
Страница 355: ...4 Scanner Fluorescent Lamps 24VD Power Supply 7 43...
Страница 356: ...Document Feed Mechanism 7 44...
Страница 357: ...CCD Drive 7 45...
Страница 358: ...5 Communication Control 7 46...
Страница 359: ...6 Printer Laser Diode Drive 7 47...
Страница 360: ...Main Scan Synchronization 7 48...
Страница 361: ...Fusing Lamp Power Switching 7 49...
Страница 362: ...Fusing Lamp Temperature Monitoring...
Страница 363: ...7 4 Electrical Component Layout 7 51...
Страница 364: ...7 52...
Страница 367: ...7 5 Timing Charts 1 Scanner 7 55...
Страница 368: ...2 Printer 7 56...
Страница 369: ...7 57...
Страница 370: ......
Страница 371: ...APPENDIX Appendix A Glossary A 1...