MX-6500N MX-7500N Administrator Machine Adjustment Guide Please keep the manual in a safe place where it will not be lost.
Caution The Machine Adjustment is provided assuming that an administrative user who has sufficient knowledge for machine maintenance and management and is responsible for them uses the adjustment. Changing adjustment values provided by the Machine Adjustment without having sufficient knowledge may lead to unexpected incidents such as insufficient print quality or product performance, increase in toner consumption and influence on machine life.
Table of Contents 1 Image Quality Adjustment ....................................................................................................... 6 1.1 Laser Adjustment .............................................................................................................................6 1.1.1 Density Smoothing Adjustment (Auto Adjustment)......................................................................................6 1.1.2 Density Smoothing Adjustment (Densitometer Adjustment) ......
2.3 2.3.1 Copy Image Loss Amount Settings ...........................................................................................................20 2.3.2 Print Void Settings .....................................................................................................................................20 2.3.3 Duplex Single Pass Feeder Image Loss Amount Settings........................................................................21 2.3.4 Scanner Image Loss Amount Settings ................
Purpose of Document This document is for explaining the content, procedure and caution on each adjustment so that users in charge of machine maintenance understand and perform the machine adjustment properly. Void Area Unprinted area around the edges of sheet in printing Image Loss Unscanned area around the edges of original in scanning To adjust the machine, tap the [Machine Adjustment] key in the Home Screen to open the Machine Adjustment screen.
Machine Adjustment 2) To print a test patch, tap the [Execute] key in the Density Smoothing Adjustment (Auto Adjustment) screen. If you need to change the density, select the desired density and then tap the [Execute] key. 1 Image Quality Adjustment Select [Image Quality Adjustment] in the Machine Adjustment screen. 1.1 [Middle] is recommended. 3) A message “Value set at Density Smoothing Adjustment (Densitometer/Visual) is cleared if executed. Execute?” comes up when you tap the [Execute] key.
Note: It is recommended to perform Auto Adjustment several times. (2 to 3 times) All colours can be adjusted simultaneously. In the factory default state, this adjustment is not performed. 1.1.2 5) Enter the five measured values and tap the [Execute] key to start the adjustment. Density Smoothing Adjustment (Densitometer Adjustment) This performs density smoothing adjustment for printing in front / rear (main scan) direction by measuring test patch with a densitometer.
[Middle] is recommended. ◆When [31] is selected in step 4): Example of the Density Smoothing Adjustment (Visual Adjustment) screen Note: To return your preferences to the factory defaults, tap the [Return Density Smoothing Adjustment Value to Defaults] key. When a confirmation message appears, tap the [OK] key. The machine reboots to return to the factory defaults. Input range: [0] to [100] Default: 50 P: POSITON (16) is fixed at [50].
Example of Correction Amount Display (Densitometer/Visual Adjustment) screen 4) Enter the desired value and tap the [Register] key to register the set value. If the [Print Adjustment Pattern After Registration.] checkbox is checked, adjustment result is printed. Input range: [0] to [100] Default: 50 3) Tap the [Back] key to return to Laser Adjustment screen. 1.1.5 Print Skew Adjustment This performs print skew adjustment manually. 1) Select [Print Skew Adjustment] in the Laser Adjustment screen.
1.2 4) When the adjustment is completed, a completion message appears. Density Adjustment Select [Density Adjustment] in the Image Quality Adjustment screen. 1.1.6.2 Registration Adjustment (Manual) 1.2.1 1) Select [Manual] in the Registration Adjustment screen. Density Adjustment Automatic Execution Frequency This makes a setting of frequency (condition) to perform density adjustment (process control) automatically.
4) To reflect the settings, the machine needs to reboot. When the [Register] key is tapped, a message appears prompting you to reboot the machine. 1.2.3 This performs density adjustment (process control) forcefully. 5) Tap the [OK] key to reboot the machine. 1.2.2 Density Adjustment (Forced Execution) 1) Select [Density Adjustment (Forced Execution)] in the Density Adjustment screen. Maximum Density Setting 2) Tap the [Execute] key in the Density Adjustment (Forced Execution) screen.
1) Select [Fusing Temperature Settings] in the Fusing Adjustment screen. 2) Select the colour to adjust and enter the desired value. 2) To change the fusing temperature setting, tap the [+] and [-] key or use the 10-key pad appears when each of the textboxes is tapped.
1.4.2 Secondary Transfer Current Value Setting This performs toner transfer adjustment by fine tuning secondary transfer current value. 1) Select [Secondary Transfer Current Value Setting] in the Transfer screen. 2) Select the colour to adjust and enter the desired value. Example of Secondary Transfer Current Value Setting screen Input range: [-30] to [30] Default: [0] for each 3) Tap the [Register] key to register the setting. Note: To reset all items to [0], tap the [Return Entered Values to Zero] key.
2) To start the adjustment, tap the [Execute] key in the Printer Colour Balance Adjustment screen. 4) Referring to the adjustment pattern, select the colour and density point to adjust. Enter the desired value and then tap the [Execute] key. 3) An adjustment pattern is printed. Example of the Copy Colour Balance Adjustment screen Low density mix K C M Y Density Point 1 ………………… Density Point 17 High density Note: It is recommended to change adjustment value to 450 or 550 at first.
4) A test patch is printed. 5) When adjustment is completed, you will return to the Image Quality Adjustment screen. After adjustment, tap the [Execute] button again, print a print pattern, and check the results of adjustment. Note: When the printing of a test patch fails, the following message appears: Printing test patch has failed. Use A4 or 8 1/2" X 11" paper for this adjustment. Press [Execute] to print the test patch.
Note: When the printing of a test patch fails, the following message appears: Printing test patch has failed. Use A4 or 8 1/2" X 11" paper for this adjustment. Press [Execute] to print the test patch. 5) When the adjustment is completed, the dither pattern selection screen appears. Example of Copy Calibration by dither pattern screen. 4) Place the printed test patch on the document glass. Press [Execute] to start the auto adjustment. Place the test patch in portrait orientation.
1.5.6 Colour Copy Black Component Amount Adjustment This performs adjustment of black component amount in colour copy. By decreasing the black component, gradations of dark parts are more easily expressed. By increasing the black component, expression of dark gradations becomes more difficult, however, unevenness of dark parts is suppressed and a darker effect is created. 1) Select [Colour Copy Black Component Amount Adjustment] in the Image Quality Adjustment screen.
1.6 Other Functions Example of Temperature/Humidity Display screen. Select [Other Functions] in the Image Quality Adjustment screen. 1.6.1 Main Charger Cleaner Operation This performs main charger cleaning. 1) Select [MC Cleaning] in the Other Functions screen. Caution: Fuser temperature adjustment stops when you enter the machine adjustment mode. Therefore, the displayed temperature may not correspond with the fusing temperature for printing.
Note: To return your preferences to the factory defaults, tap the [Return Scan Ratio Adjustment Value to the Default] key. When a confirmation message appears, tap the [OK] key. Your preferences are returned to the factory defaults and the screen returns to the Ratio Adjustment screen. 2 Image Position/Ratio/Area Adjustment Select [Image Position/Ratio/Area Adjustment] in the Machine Adjustment screen. 2.1 2.2 Edge Adjustment Select [Edge Adjustment] in the Image Position/Ratio/Area Adjustment screen.
2.2.2 2) Enter the desired values and tap the [Register] key. Scan Original Edge Adjustment (Duplex Single Pass Feeder) This performs edge (scanning start) position adjustment for scanning original from document feeder. 1) Select [Scan Original Edge Adjustment (Duplex Single Pass Feeder)] in the Edge Adjustment screen. Specify the Print Position Adjustment first. 2) Enter the desired values and tap the [Register] key. Input range: [0] to [99] (1 = 0.
2.3.3 Example of the Scanner Image Loss Amount Settings screen Duplex Single Pass Feeder Image Loss Amount Settings This performs adjustment of image loss amount for scanning original from document feeder in copy mode. 1) Select [Duplex Single Pass Feeder Image Loss Amount Settings] in the Void Area Adjustment screen. Specify the Print Position Adjustment / Scan Position Adjustment first. 2) Enter the desired values and tap the [Register] key. Input range: [0] to [100] (1 = 0.
2.4.3 Note: LCT Tray 1, LCT Tray 2, LCT Tray 3, LCT Tray 4, LCT Bypass Tray and LCC are displayed only when the options are installed. To return your preferences to the factory defaults, tap the [Return Print Off-Centre Adjustment Value to Default] key. When a confirmation message appears, tap the [OK] key. Your preferences are returned to the factory defaults and the screen returns to the Off-Centre Adjustment screen. 2.4.
3 Peripheral Adjustment Select [Peripheral Adjustment] in the Machine Adjustment screen. Adjustable options: The saddle finisher, trimming module, finisher, punch module, and folding unit can be adjusted: The installed options are displayed as follows: Input range: One staple: [70]-[130] Two staples: [85]-[115] (1 = 0.1 mm) Default: 100 for each When the100-sheet saddle finisher, trimming module and punch module are installed: Note: Staple position in paper feed direction cannot be adjusted.
Input range: [50] to [150] (1 = 0.1 mm) Default: [100] 3.1.3 Input range: [42] to [58] (1 = 0.25 mm) Default: [50] for each Fold Position Adjustment for Saddle Fold 3.1.5 Staple Position Fine Adjustment for Saddle Stitch This performs fold position adjustment for saddle fold (without staple). This performs fine adjustment of staple position for saddle stitch (fold and staple) (used for fine adjusting staple position only).
3.3 Finisher (When the 100-sheet finisher is installed) Select [Finisher] in the Peripheral Adjustment screen. 3.3.1 Staple Position Adjustment This performs staple position adjustment for staple in the direction of paper width. 1) Select [Staple Position Adjustment] in the Finisher screen. Input range: [80] to [120] (1 = 0.20944 mm) Default: [100] 3.2 Trimming Module Select [Trimming Module] in the Peripheral Adjustment screen. 3.2.
3.3.2 Paper Alignment Width Adjustment for Staple Position This performs jogger width adjustment for staple (paper width direction). 1) Select [Paper Alignment Width Adjustment for Staple Position] in the Finisher screen. 2) Adjust the distance between the alignment plates in the direction of paper width for stapling. The 10-key pad appears when the textbox is tapped. Enter the desired value. Sub Scan Direction: Input range: [50] to [150] (1 = 0.
2) Adjust the paper jog amounts for the paper skew adjustment in high accuracy mode. The 10-key pad appears when each of the textboxes is tapped. Enter the desired values. Diagram showing the saddle fold position 3.5.2 C-Fold Position Adjustment This performs adjustment of fold position for C-fold. Input range: [80] to [120] (1 = 0.1 mm) Default: [100] for each 3.5 1) Select [C-Fold Position Adjustment] in the Folding Unit screen.
Diagram showing the double fold position Range: -2 to +5 mm Default: -1 mm Increment: 0.5 mm Input range: [36] to [60] (1 = 0.5 mm) Default: [48] 3.5.5 Range: 0 to +5 mm Default: 1 mm Increment: 0.5 mm Z-Fold Position Adjustment This performs adjustment of fold position for Z-fold. 1) Select [Z-Fold Position Adjustment] in the Folding Unit screen. Diagram showing the accordion fold position 2) Adjust the Z-fold position for when the folding unit is installed.
4 Print Setting Value List 5.1 Location of the 10-key Pad in the Screen 5.2 Behavior Specifications of the 10-key Pad The 10-key pad appears when each of the textboxes in the screen is tapped. The current setting values and the factory defaults for the items in the machine adjustment can be printed. Select [Print Setting Value List] in the Machine Adjustment screen. Note: Settings that have been changed from the factory defaults are marked with an asterisk. 1) Check the items to print.
ADJ-EX-2
