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Oct 02
6-14 Oki B6100 User Guide
Solving Duplexer Problems
Duplexer Operates Erratically
The following characteristics define this duplexer problem:
■ The duplexer does not function correctly.
■ The control panel does not display an error code.
NOTE: The printer automatically recognizes an option after the option is installed. The printer driver does
not. You must enable (activate) the option in the printer driver after the option is installed.
The steps you will follow vary according to both your operating system and your installed printer
driver. Here are the general steps you will follow.
Select the driver you want to work with.
Locate the printer properties section within the printer driver.
Use the pulldown window to select the option.
Activate the option.
The following procedure guides you through multiple actions that may solve this problem. Pro-
ceed one step at a time until the problem is solved. You may not need to complete the entire
procedure. If one of the steps in this procedure corrects the problem but the identical problem
returns in less than 50 prints, call for service.
1. Open the rear cover of the printer. Remove and reinstall the duplexer.
If the connection between the duplexer and the printer is not intact, the duplexer will not
receive power or logic commands, resulting in an inoperative duplexer.
2. Test the printer by allowing it to run for a few days without the duplexer installed.
If the printer operates erratically when the duplexer is not installed, refer to “Printer Oper-
ates Erratically” on page 5-27.
If the printer does not operate erratically when the duplexer is not installed, reinstall the
duplexer and proceed to the next step.
3. Open and then firmly close all of the doors and covers.
Interlock switches monitor the position of printer doors and covers. When a door is
closed, the interlock switch is activated and the duplexer can operate. When a door is
open, the interlock switch is not activated and the duplexer cannot operate. If a door is not
firmly closed, the interlock switch can bounce between being activated and being not acti-
vated. This confuses the system and causes erratic operation.
4. Reinstall the printer driver software.
The printer driver software running on the host computer may be damaged. Reinstalling
the software is an easy and inexpensive way to isolate or eliminate the problem. Refer to
the Installation Guide for information on installing the printer driver.
5. Call your service technician.
This problem may be caused by a malfunctioning or broken component that requires ser-
vice.