Lexmark C 746 Service Manual

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Reports
Menu Settings Page
The Menu Settings Page generates a list of Configuration Menu settings and the current values.
Event Log
This menu item lets the system support person print a limited set of the information contained in the Diagnostics 
mode version of the printed Event Log. For a sample of a Diagnostics Menu Event Log printout, see “Event 
Log” on page 3-25. The limited Configuration log and the full Diagnostics log printed versions show the same...

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PPDS Emulation
Activates or deactivates (default) the Personal Printer Data Stream (PPDS) emulation language. This menu item 
only appears if the PPDS interpreter is available.
Download Emuls
This menu item allows the system support person turn the download emulator off temporarily. This menu item 
only appears if at least one download emulator is installed.
The only selection is Disable. The printer automatically re-enables all download emulators after two...

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Automatic Color Adjust
Sets the suggested number of pages which the printer should print between consecutive calibrations.
Selections are Off and the values between 100 and 1000 in increments of 50. The default is 500 pages.
If the printer exceeds the set value while printing a job, it completes the current job and any other jobs received 
while printing the current job before it initiates a calibration. The printer does not cancel or suspend an active job...

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Motor Calibration
This test is run to calibrate the leading edge of the paper to each transfer station. 
1.Select Motor Calibration from the Configuration Menu.
2.Calibrating displays, and the printer prints eight blank pages and then returns to the Configuration Menu.
Note:  This test should be run at 600 dpi resolution and with duplex disabled.
Paper Prompts
Controls the source the printer selects for a change paper source message. The printer displays the...

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Disk Encryption
Controls whether the printer encrypts the information that it writes to the hard disk.
Warning:When the value for Disk Encryption, the printer completely formats the hard disk which means that all 
information on the disk is deleted.
Note:  If an encrypted disk is removed from the printer and another disk is installed, the Disk Corrupted. 
Reformat? message appears. The newly installed disk must either be formatted or removed from the...

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Duplex Gloss
Generates higher quality duplex copies than when using the normal duplex mode. The major difference between 
normal duplex and duplex gloss mode is the number of sheets in the duplex print media path. Normal duplex 
mode feeds two sheets simultaneously, while duplex gloss feeds only one sheet.
Selections include Off (default) and On.
Font Sharpening
Lets a user set a text point-size value below the setting of the high frequency screens used when...

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Automatically Display Error Screens
Selections include On (default) and Off (default).
When On is selected, the operator panel automatically displays any existing printer-related IR after the device 
remains inactive on the Home screen for a length of time equal to the Screen Timeout setting. Any IR that 
appears on the operator panel will display the option to return to the Home screen without clearing it. Once the 
device returns to the Home screen,...

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Front cover locked in place
The front door locks during certain Busy events, and unlocks when those events are complete. This is a normal 
function. You can hear the door lock into place when one of these events take place. However, if the printer is 
turned off, or has an error while the front door is locked (for example, while printing or calibrating), the front door 
may not unlock. If this happens, turn the printer off, and restart it. Once it goes...

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3.Press the waste toner release latch (C), swing the front of the waste toner assembly away from the printer, 
and remove. 
4.Remove the two screws (D) on the bottom and one screw higher up (E).
5.Press the locking tab (F).
DE
F 

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6.Lift the rear of the left cover out, and rotate it out of position. 
Note:  It will not come completely off with the front cover locked.
7.With a flatblade screwdriver, turn the camshaft counterclockwise until the door unlocks.
8.Open the front cover.