6. AGC adjustment (back side) (For the duplex scanning ADF model only)
1. Entering a provisional value
Change the values of the following service mode settings to 1,000
• COPIER > ADJUST > CCD > LE-BWRBK
• COPIER > ADJUST > CCD > LE-BWGBK
• COPIER > ADJUST > CCD > LE-BWBBK
Change the values of the following service mode settings to 1,100.
• COPIER > ADJUST > CCD > LE-CLRBK
• COPIER > ADJUST > CCD > LE-CLGBK
• COPIER > ADJUST > CCD > LE-CLBBK
2. Execute the following service modes to perform the AGC adjustment (surface).
• COPIER > FUNCTION > CCD > BW-AGC2
• COPIER > FUNCTION > CCD > CL-AGC2
CAUTION:
Be sure to close the ADF before executing the foregoing service mode. Also be sure not to open the ADF while the service
mode is being executed.
3. If the operation was "successful", this procedure is completed. (There is no need to write the value on the service label.)
4. How to judge whether the operation was successful or failed
Whether the operation was successful or failed is not shown on the UI, so perform the following procedure to judge if
the operation was successful or failed.
B&W mode
Check the following values. If all values remain unchanged at "1,000", the operation result is judged to be "failed".
• COPIER > ADJUST > CCD > LE-BWRBK
• COPIER > ADJUST > CCD > LE-BWGBK
• COPIER > ADJUST > CCD > LE-BWBBK
If the operation result is judged to be "failed", turn OFF and then ON the power, and execute COPIER > FUNCTION >
CCD > BW-AGC2 again.
Color mode
Check the following values. If all values remain unchanged at "1,100", the operation result is judged to be "failed".
• COPIER > ADJUST > CCD > LE-CLRBK
• COPIER > ADJUST > CCD > LE-CLGBK
• COPIER > ADJUST > CCD > LE-CLBBK
If the operation result is judged to be "failed", turn OFF and then ON the power, and execute COPIER > FUNCTION >
CCD > CL-AGC2 again.
7. Paper back shading initial measurement (duplex scanning ADF model only)
1. Execute the following service mode without placing anything on the Stream Reading Glass.
• COPIER > FUNCTION > CCD > BK-SHD1
6. Adjustment
193
Summary of Contents for MF735C Series
Page 1: ...Revision 2 0 MF735C Series Service Manual ...
Page 13: ...Product Overview 1 Product Lineup 5 Specifications 7 Parts Name 10 ...
Page 23: ...No Name 6 Home key 7 Stop key 8 NFC Near Field Communication mark 1 Product Overview 14 ...
Page 83: ...Consumable Parts This machine does not have any consumable parts 4 Periodical Service 74 ...
Page 118: ... Procedure 1 Remove the ADF Sensor Unit 2x 5 Parts Replacement and Cleaning 109 ...
Page 144: ... Procedure 1 Remove the Memory Relay PCB 2x 1x 5 Parts Replacement and Cleaning 135 ...
Page 159: ...3 Remove the PCB Holder 3x 4 Remove the Drum Motor 4x 1x 5 Parts Replacement and Cleaning 150 ...
Page 180: ...7 Remove the Registration Unit 2x 5 Parts Replacement and Cleaning 171 ...
Page 181: ...Adjustment 6 Adjustment at Parts Replacement 173 ...
Page 211: ...Troubleshooting 7 Test Print 203 Troubleshooting Items 216 Debug Log 219 ...
Page 230: ...Error Jam Alarm 8 Overview 222 Error Code 225 Jam Code 232 Alarm Code 235 ...
Page 356: ...6 7 8 9 2x 10 1x 10 Installation 347 ...
Page 357: ...11 12 Installing the Card Reader 1 1x M4x16 2 10 Installation 348 ...
Page 358: ...3 4 NOTE Be sure that it does not protrude from the depression 5 6 7 1x 10 Installation 349 ...