
Item
Notation
Specification/function
CIS HP sensor
S31
Detects CIS home position
Copyboard Cover Open/Closed Sensor 0
S32
Ends original size identification with the copy board cover at 5 deg
Copyboard Cover Open/Closed Sensor 1
S33
Detects the copyboard cover open/close. Starts original size identification
with the copy board cover at 30 deg.
Original Size Sensor 0
S34
Helps identify original size (AB, INCH/AB/K, INCH/A)
Original Size Sensor 1
S35
Helps identify original size (AB, INCH/AB/K, A)
Original Size Sensor 2A
S36
Helps identify original size (AB, INCH/AB/K, A)
Original Size Sensor 2B
S36
Helps identify original size (INCH/A)
Original Size Sensor 3
S37
Helps identify original size (AB, INCH/AB/K, INCH/A, A)
CIS unit
-
Indirect exposure by LED (LED & photoconductive body)
Reader Heater
H5
Prevents condensation on the copyboard glass
Reader relay PCB
PCB2
Controls the reader unit drive and image process
■ Reader relay PCB
The function configuration of reader relay PCB is described below.
J551
J560 J559
J552
J562
J561
J553
J554
J555
IC2
IC7
J557
J558
J563
J556
Jack No
Description
J551
Receives power from the machine (printer unit)
J552
Communication with main controller PCB
J553
Communication with main controller PCB
J554
Communication with main controller PCB
J555
Connection to copyboard cover open/close sensor
J556
Connected to the contact image sensor (CIS) HP sensor.
J557
Connection to original size sensor (2A/2B/3)
J558
Connected to the contact image sensor (CIS) sensor.
J559
Connection to Scanner motor
J560
Power supply to DADF
J561
Communication with DADF
J562
Communication with DADF
J563
Connection to original size sensor (0/1)
2. Technical Explanation
24
Содержание imageRUNNER 2520 Series
Страница 1: ...Revision 9 0 imageRUNNER 2530 2525 2520 Series Service Manual ...
Страница 16: ...Product Overview 1 Product Lineup 7 Features 10 Specifications 11 Name of Parts 15 Operation 18 ...
Страница 62: ...No Part name 3 Laser unit 2 Technical Explanation 52 ...
Страница 119: ...Periodical Service 3 Consumable Parts and Cleaning Parts 110 Cleaning Parts 115 ...
Страница 125: ...Cleaning Parts Fixing guide Transfer guide 3 Periodical Service 115 ...
Страница 136: ...List of Sensors S18 S17 S16 TS2 HU1 S9 S8 S19 TS1 S11 S12 4 Disassembly Assembly 126 ...
Страница 165: ...5 Remove the idler gear 1 claw 1x 4 Disassembly Assembly 155 ...
Страница 172: ... 1 4 2 3 2 2 Remove the scanner motor 4 screws 4x 4 Disassembly Assembly 162 ...
Страница 186: ...3 Remove the RAM PCB Release the hook 4 Disassembly Assembly 176 ...
Страница 187: ...Adjustment 5 Overview 178 Basic Adjustment 180 Adjustment when Replacing the Parts 182 ...
Страница 209: ...Error Jam Alarm 7 Outline 200 Error Code 201 Jam Code 213 Alarm Code 219 ...
Страница 223: ...Jam Code Main Unit 550 sheet 1st cassette model S1 S5 S7 S19 S12 S42 S40 7 Error Jam Alarm 213 ...
Страница 231: ...Service Mode 8 Overview 222 Details of Service Mode 225 Remote UI Service Mode 302 ...
Страница 314: ...Example of report display 8 Service Mode 304 ...
Страница 387: ...APPENDICES Service Tools 378 General Circuit Diagram 379 ...