Symptom
Action
Dirty background
after the trailing edge
of solid black areas
Stray toner flecks
fused into the copy
Previous copy
shows faintly
The quenching lamp may be defective.
Check that the following connections are not loose: SPU CN4 - UIB CN6,
UIB CN1 and 7 - DSB CN4 and 5, DSB CN2 - Quenching lamp. Does the
quenching lamp operate correctly?
Y
N
Does the DSB output the drive and power signals on CN2?
Y
N
Does the UIB send the drive and power signal to the DSB?
Y
N
Replace the UIB, SPU, or SCU.
Replace the DSB.
Replace the quenching lamp.
• Clean the inside of the machine.
• Clean the cleaning blade.
• Check the transfer entrance guide plate (see page 3-35).
• Clean the fusing unit hot roller and pressure roller.
• Replace the master (worn out OPC belt or defective cleaning blade).
• Clean the quenching lamp.
• Does the quenching lamp operate correctly? See “Dirty background
after the trailing edge of solid black areas” (this page).
• Clean the master belt.
• Clean the quenching lamp. Does the quenching lamp operate correctly?
See “Dirty background after the trailing edge of solid black areas” (this page).
5-14
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...