
2. Enter the service mode, and then select the following:
• SCAN > READER > FUNCTION > CCD > DF-WLVL1/2/3/4 (DF white level adjustment)
1. Place a sheet of paper that the user usually uses on the platen glass,
enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DFWLVL1.
Read the white level in the BOOK mode.
(Check the transparency of the glass for BOOK mode.)
2. Place a sheet of paper that the user usually uses on the DF,
enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DF-WLVL2.
Read the white level in the DF mode (stream reading).
(Check the transparency of the glass for stream reading.)(Read both sides of the chart.)
3. Place a sheet of paper that the user usually uses on the platen glass,
enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DFWLVL3.
Read the white level in the BOOK mode.
(Check the transparency of the glass for BOOK mode.)
4. Place a sheet of paper that the user usually uses on the DF,
enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DF-WLVL4.
Read the white level in the DF mode (stream reading).
(Check the transparency of the glass for stream reading.)(Read both sides of the chart.)
■ Action to Take after Replacing the ADF Scan Glass
1. Enter the service mode, and then select the following:
• SCAN > READER > FUNCTION > CCD > DF-WLVL1/2/3/4 (DF white level adjustment)
1. Place a sheet of paper that the user usually uses on the platen glass,
enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DFWLVL1.
Read the white level in the BOOK mode.
(Check the transparency of the glass for BOOK mode.)
2. Place a sheet of paper that the user usually uses on the DF,
enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DF-WLVL2.
Read the white level in the DF mode (stream reading).
(Check the transparency of the glass for stream reading.)(Read both sides of the chart.)
3. Place a sheet of paper that the user usually uses on the platen glass,
enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DFWLVL3.
Read the white level in the BOOK mode.
(Check the transparency of the glass for BOOK mode.)
4. Place a sheet of paper that the user usually uses on the DF,
enter the service mode, and then select SCAN > READER > FUNCTION > CCD > DF-WLVL4.
Read the white level in the DF mode (stream reading).
(Check the transparency of the glass for stream reading.)(Read both sides of the chart.)
Main Controller
■ Action to Take after Replacing theMain Controller PCB
After replacing the main controller PCB with a new one, take the following action:
• Download the latest firmware with the UST.
• Enter all values recorded on the service label affixed to the rear cover.
■ Action to Take when Replacing the DC Controller PCB
Before Replacement/RAM Clearing
Print the service data list in the service mode.
REPORT > REPORT OUTPUT > SERVICE DATA LIST
Action to Take after Replacement/RAM Clearing
5. Adjustment
183
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 ...