H1
Fixing Heater
Safety Circuit
FREQSNS
Fixing Film
Fixing Assembly
Pressure Roller
FSRD
RLYD
FSRTH
+24V
Low Voltage Power Supply Unit
Fixing Control Circuit
RL101
DC Controller PCB
Fixing Heater
Control Circuit
Relay Control
Circuit
Frequency Detection
Circuit
AC Input
H1:
Fixing Heater
TP1:
Thermoswitch
TH1:
Thermistor
TP1
TH1
Protection Function
Overview
This machine has a function to detect abnormal temperature rising in the Fixing Assembly and cut off the power supply to the
Fixing Heater.
Description
This machine has the following four protection functions to prevent abnormal temperature rising in the Fixing Heater.
• DC Controller PCB
• Fixing Heater safety circuit
• Thermo Switch
• Down sequence control
The details are explained below.
2. Technical Explanation (Device)
34
Содержание imageCLASS X LBP1238
Страница 11: ...Safety Precautions Laser 2 Power Supply Lithium Battery 2 Toner Safety 3 Notes on works 3...
Страница 15: ...Product Overview 1 Product Lineup 6 Features 8 Specifications 9 Parts Name 12...
Страница 17: ...Name Remark MiCARD Attachment Kit B1 IC Card Reader sales company s option is required 1 Product Overview 7...
Страница 78: ...Periodical Service 4 Periodically Replaced Parts 69 Consumable Parts 70 Periodical Services 71...
Страница 79: ...Periodically Replaced Parts This machine does not have any periodically replaced parts 4 Periodical Service 69...
Страница 80: ...Consumable Parts This machine does not have any consumable parts 4 Periodical Service 70...
Страница 81: ...Periodical Services This machine does not require any periodical service 4 Periodical Service 71...
Страница 96: ...1 2 1x 3 100 mm 5 Parts Replacement and Cleaning 86...
Страница 105: ...2 3x 1x 3 3x 4 1x 2x 5 Parts Replacement and Cleaning 95...
Страница 106: ...5 3x 6 7 3x 5 Parts Replacement and Cleaning 96...
Страница 108: ...4 2x Removing the Control Panel Unit Procedure 1 1x 2 1x 1x 5 Parts Replacement and Cleaning 98...
Страница 109: ...3 2x 4 5 2x 1x 5 Parts Replacement and Cleaning 99...
Страница 110: ...6 7 8 2x 1x 2x 5 Parts Replacement and Cleaning 100...
Страница 122: ...Procedure 1 1x 9x 4x 1x 5 Parts Replacement and Cleaning 112...
Страница 134: ...3 4 5 2x 6 5 Parts Replacement and Cleaning 124...
Страница 136: ...Adjustment 6 Actions at Parts Replacement 127...
Страница 140: ...Troubleshooting 7 Test Print 131 Cartridge Log Report 137 Troubleshooting Items 139 Debug Log 141...
Страница 153: ...Error Jam Alarm 8 Overview 144 Error Code 148 Jam Code 154 Alarm Code 156...