
■ Major parts configuration
Thermo switch (TP1)
Film unit
Pressure roller
Main thermistor (TH1)
Sub thermistor (TH2)
Fixing hiater (H1/H2)
Fixing outlet sensor (S19)
Cleaning Roller
Part name
Function / method
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Film unit
Applying heat and pressure makes the toner image on paper fixed (fused).
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Pressure roller
H1/H2
Fixing heater
Ceramic heater
TH1
Main thermistor
To be in contact with the heater
Temperature control, detection of abnormal temperature rise
TH2
Sub thermistor (rear)
To be in contact with the heater (non-feeding area)
Temperature control, detection of abnormal temperature rise, temperature de-
tection/cooling control on the edges
TP1
Thermo Switch
To be in contact with the heater (non-feeding area)
Temperature control, detection of abnormal temperature rise, temperature de-
tection/cooling control on the edges
S19
Fixing outlet sensor
Jam detection
2. Technical Explanation
67
Summary of Contents for imageRUNNER 2520 Series
Page 1: ...Revision 9 0 imageRUNNER 2530 2525 2520 Series Service Manual ...
Page 62: ...No Part name 3 Laser unit 2 Technical Explanation 52 ...
Page 119: ...Periodical Service 3 Consumable Parts and Cleaning Parts 110 Cleaning Parts 115 ...
Page 125: ...Cleaning Parts Fixing guide Transfer guide 3 Periodical Service 115 ...
Page 136: ...List of Sensors S18 S17 S16 TS2 HU1 S9 S8 S19 TS1 S11 S12 4 Disassembly Assembly 126 ...
Page 165: ...5 Remove the idler gear 1 claw 1x 4 Disassembly Assembly 155 ...
Page 172: ... 1 4 2 3 2 2 Remove the scanner motor 4 screws 4x 4 Disassembly Assembly 162 ...
Page 186: ...3 Remove the RAM PCB Release the hook 4 Disassembly Assembly 176 ...
Page 187: ...Adjustment 5 Overview 178 Basic Adjustment 180 Adjustment when Replacing the Parts 182 ...
Page 209: ...Error Jam Alarm 7 Outline 200 Error Code 201 Jam Code 213 Alarm Code 219 ...
Page 231: ...Service Mode 8 Overview 222 Details of Service Mode 225 Remote UI Service Mode 302 ...
Page 314: ...Example of report display 8 Service Mode 304 ...
Page 387: ...APPENDICES Service Tools 378 General Circuit Diagram 379 ...