13–38
Chapter 13 – Troubleshooting Guide
b. Check the thermistor. Replace it if necessary.
c. See the “General Fuser Heater Troubleshooting” section that follows.
24 THRMISTR FAIL—Call Service
1. The thermistor in the fuser is shorted, or its leads or associated wires are shorted together, or
the printer temperature is extraordinarily high.
a. Inspect the thermistor leads and associated wiring. Repair any wiring problems found.
b. Inspect the heater lamp leads and associated wiring. Repair any wiring problems
found.
c. Check the thermistor. Replace it if necessary.
d. Check the heater lamp in the fuser. Replace it if necessary.
e. See the “General Fuser Heater Troubleshooting” section that follows.
26 HEATER FAIL—Call Service
1. The fuser did not warm up within its specified time.
a. Check for a tripped or defective circuit breaker. Replace the breaker if necessary.
b. Inspect the thermistor leads and associated wiring. Repair any wiring problems found.
c. Inspect the heater lamp leads and associated wiring. Repair any wiring problems
found.
d. Check the thermistor. Replace it if necessary.
e. Check the heater lamp in the fuser. Replace it if necessary.
f. See the “General Fuser Heater Troubleshooting” section that follows.
27 HEATER FAIL—Call Service
1. During printing, the fuser is not properly maintaining its temperature.
a. Inspect the heater lamp leads and associated wiring. Look for a faulty or loose
connection that could cause an intermittent open circuit in the heater circuit. Repair
any wiring problems found.
b. Inspect the thermistor leads and associated wiring. Look for a faulty or loose
connection that could cause an intermittent short circuit in the thermistor circuit. Repair
any wiring problems found.
c. Check the thermistor. Replace it if necessary.
d. Check the heater lamp in the fuser. Replace it if necessary.
e. See the “General Fuser Heater Troubleshooting” section that follows.
General Fuser Heater Troubleshooting
1. The fuser is not reaching the correct temperature. This can indicate either overheating or
underheating.
Содержание L1024
Страница 1: ...R...
Страница 2: ......
Страница 3: ...R P N 704792 001 Rev C...
Страница 18: ...1 8 Chapter 1 Introduction...
Страница 19: ...2 1 Chapter 2 Clamshell Chapter 2 Clamshell Clamshell and Subassemblies...
Страница 44: ...4 2 Chapter 4 Developer Subsystem No disassembly is required 1 2 3 3 4 Figure 4 2 Removing the Developer Unit...
Страница 46: ...4 4 Chapter 4 Developer Subsystem...
Страница 47: ...5 1 Chapter 5 Transfer Subsystem Chapter 5 Transfer Subsystem Transfer Charger...
Страница 63: ...5 17 Chapter 5 Transfer Subsystem Detail 5 4 Removing the Lamp Connector...
Страница 65: ...6 1 Chapter 6 Paper Feed Subsystem Chapter 6 Paper Feed Subsystem Paper Feed Subsystem...
Страница 82: ...6 18 Chapter 6 Paper Feed Subsystem Step 3 Step 2 Detail 6 5 Removing Connectors...
Страница 97: ...7 1 Chapter 7 Fuser Subsystem Chapter 7 Fuser Subsystem Fuser Subsystem...
Страница 133: ...8 1 Chapter 8 Power Supplies Chapter 8 Power Supplies High Voltage Power Supply Low Voltage Power Supply Power Supplies...
Страница 137: ...8 5 Chapter 8 Power Supplies 1 1 2 2 High Voltage Power Supply...
Страница 144: ...8 12 Chapter 8 Power Supplies Figure 8 4 Removing the LVPS Cables...
Страница 146: ...8 14 Chapter 8 Power Supplies 5 4 2 3 1 Figure 8 5 Removing the LVPS...
Страница 147: ...8 15 Chapter 8 Power Supplies Cable Routing Figure 8 6 LVPS Cable Routing...
Страница 150: ...8 18 Chapter 8 Power Supplies Figure 8 9 Removing the LVPS Cables...
Страница 152: ...8 20 Chapter 8 Power Supplies 5 4 2 3 1 Figure 8 10 Removing the LVPS...
Страница 153: ...8 21 Chapter 8 Power Supplies Cable Routing Figure 8 11 LVPS Cable Routing...
Страница 155: ...8 23 Chapter 8 Power Supplies 115V Position 230V Position 1 2 3 1 2 3 Figure 8 13 Changing LVPS Input Voltage...
Страница 158: ...8 26 Chapter 8 Power Supplies Step 3 Step 4 Step 6 Step 5 Step 7 Figure 8 15 Removing the Transfer Charger Paper Guides...
Страница 173: ...9 7 Chapter 9 Controllers and Floppy Disk Drives Drive A Standard Drive B Optional Floppy Disk Drives...
Страница 198: ...9 32 Chapter 9 Controllers and Floppy Disk Drives 1 2 3 4 5 6 7 Figure 9 12 Expansion C T Board...
Страница 199: ...10 1 Chapter 10 Control Panel Chapter 10 Control Panel Keypad LCD Control Panel...
Страница 209: ...11 3 Chapter 11 Laser Scanning Unit LSU Subsystem Top View 2 1 1 1 3 1 4 1 5 1 6 1 7 1 8 3 LSU Assembly...
Страница 214: ...11 8 Chapter 11 Laser Scanning Unit LSU Subsystem Clamshell Frame Top Cover Step 1 Figure 11 1 Top Cover Disassembly...
Страница 215: ...11 9 Chapter 11 Laser Scanning Unit LSU Subsystem Detail 11 1 Removing the Top Cover...
Страница 219: ...11 13 Chapter 11 Laser Scanning Unit LSU Subsystem LED Connector Top Cover Bushing Figure 11 2 Erase LED Removal...
Страница 221: ...12 1 Chapter 12 Covers Frame and Backplane Board Chapter 12 Covers Frame and Backplane Board Covers and Frame Components...
Страница 225: ...12 5 Chapter 12 Covers Frame and Backplane Board 14 1 15 1 21 1 Hinge Covers...
Страница 250: ...12 30 Chapter 12 Covers Frame and Backplane Board Figure 12 12 Removing Cables...
Страница 252: ...12 32 Chapter 12 Covers Frame and Backplane Board 5 4 2 3 1 Figure 12 13 Removing the LVPS...
Страница 253: ...12 33 Chapter 12 Covers Frame and Backplane Board Cable Routing Figure 12 14 LVPS Cable Routing...
Страница 269: ...12 49 Chapter 12 Covers Frame and Backplane Board Figure 12 27 Removing Cables...
Страница 319: ...Appendix B Wire Data B 1 Appendix B Wire Data...
Страница 322: ...Appendix B Wire Data B 4...
Страница 327: ...C 5 Appendix C Continuous Form Stacker 15 2 10 1 Figure C 2...
Страница 329: ...C 7 Appendix C Continuous Form Stacker 20 1 25 1 30 Ref 30 Ref 30 1 See page C 9 See page C 9 Figure C 3...
Страница 331: ...C 9 Appendix C Continuous Form Stacker 35 2 40 1 55 1 50 1 45 1 Figure C 4...
Страница 332: ...C 10 Appendix C Continuous Form Stacker Callout Name Printronix Part No Quantity 60 Wing Side Guide 704968 017 2...
Страница 333: ...C 11 Appendix C Continuous Form Stacker 60 2 Figure C 5...
Страница 335: ...C 13 Appendix C Continuous Form Stacker 65 Ref 65 1 65 Ref 70 1 75 1 80 1 85 1 90 1 95 1 Figure C 6...
Страница 337: ...C 15 Appendix C Continuous Form Stacker 100 1 105 2 115 1 110 1 ROTATED 180 Figure C 7...
Страница 349: ...C 27 Appendix C Continuous Form Stacker 1 2 Figure C 16 Removing the Vertical Frame Braces...
Страница 371: ......
Страница 372: ...704792 001C...