OKI C7350DTN User Manual

C7350/7550 User’s Guide: Accessories   •  541
To insert the memory modules into the slots:
 
4.Push out the white tabs at either end of the socket.
5.Lift out the board.
 ugc9_072.jpg  
6.Align the module with the narrow strip (1) on its metallic 
contact edge to the right (toward the slot identifier numbers) of 
the control board.
 ugc7_123.jpg 
CAUTION!
If you are installing three 256 MB modules (the 
maximum amount of memory), the memory modules that 
were originally installed must be removed.
The...

C7350/7550 User’s Guide: Accessories   •  542
7.Carefully insert the module in the socket, placing the ends into 
the slot in the lock tabs. Press down firmly, until you feel the 
board engage the connector, then make sure the white tabs 
come up to lock the module in place. 
 ugc9_073.jpg 
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C7350/7550 User’s Guide: Accessories   •  543
8.Replace the main board and secure it with the two screws.
9.Connect the printer interface cable and power cable.
10.Turn on the printer.
  
NOTE
SERVICE CALL/034 may appear on the printer’s display.
If it does: 
1. Turn off the printer.
2 Remove the main board.
3 Make sure the memory modules are correctly 
installed.
4 Replace the main board.
5 Turn on the printer.
6If 
SERVICE CALL/034 appears, repeat the above 
steps.
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C7350/7550 User’s Guide: Accessories   •  544
7.Print a MenuMap.
To print the MenuMap:
a.Press MENU twice.  
INFORMATION MENU displays.
b.Press SELECT.  
PRINT MENU MAP displays.
c.Press SELECT.  The Menu Map prints.
8.Check the Total Memory Size (shown at the top of the 
MenuMap).
It should match the memory now installed in the printer. 
If it doesn’t:
a.Turn the printer off. 
b.Remove the main board.
c.Make sure that all of the modules are firmly seated in their 
connectors.
For Windows only:
9.In the...

C7350/7550 User’s Guide: Accessories   •  545
Hard Disk Drive
The optional internal hard disk drive is used to store documents 
for:
•proof and print 
•password or secure printing 
Installation
1.Turn off the printer.
2.Disconnect the power cable and printer interface cable.
3.Loosen the two screws (1) and remove the main board.
 mother board remove.eps 
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C7350/7550 User’s Guide: Accessories   •  546
4.Hold the hard disk drive by the locking handle (1).
5.Insert the handle locating lugs (2) and four locating feet (3) 
into the holes in the main board making sure the hard disk 
connector (4) starts to engage with the socket on the control 
board.
6.Gently push down on the locking handle (1) making sure the 
hard disk moves forward and fully engages with the socket.
 hard disk install.eps  
7.Replace the main board and secure it with the two screws....

C7350/7550 User’s Guide: Accessories   •  547
10.Print a MenuMap.
To print the MenuMap:
a.Press MENU twice.  
INFORMATION MENU displays.
b.Press SELECT.  
PRINT MENU MAP displays.
c.Press SELECT.  The Menu Map prints.
11.Check that the HDD appears at the top of the MenuMap.
If it doesn’t,
a.Turn the printer off
b.Remove the main board
c.Reseat the hard disk drive.
d.Turn on the printer
e.Print the MenuMap.
12.After installing the hard disk drive, the printer automatically 
initializes to include the...

C7350/7550 User’s Guide: Accessories   •  548
Hard Disk Drive
Initialize Automatically 
After the hard disk drive is installed, the printer automatically 
initializes (configures) to include this option.
You can also manually initialize the HDD. 
Initialize Manually  
  
1.Press MENU until DISK MAINTENANCE displays.
2.Press SELECT.
3.Press ITEM (either + or –) until 
HDD INITIALIZE displays.
4.Press the SELECT button.  
5.Press the ITEM button to shut down the printer.
6.Turn on the printer.
The printer...

C7350/7550 User’s Guide: Accessories   •  549
Duplex Unit
Installation
1.Turn off the printer.  
2. Disconnect the power cable.
 duplex install.eps 
3.Open the front cover (1).
4.Insert the duplex unit (2) into the printer.
Engage the sides of the duplex unit in the slots in the printer.
5.Gently slide the duplex unit (2) fully into the printer.
6.Close the front cover (1).
7.Connect the power cable
8.Turn on the printer.
9.The printer automatically configures to include this option.
For Windows only:...

C7350/7550 User’s Guide: Accessories   •  550
Paper Trays
Two additional paper trays can be installed.
When combined with the standard paper tray, paper capacity 
increases to approximately 1590 sheets.
Installation
1.Turn off the printer.
2.Disconnect the power cable and printer interface cable.
 
  
WARNING!
The printer weighs 106 lbs. (48 kg). 2 people are 
required to lift the printer safely and prevent any 
personal injury.
NOTE
If installing both additional paper trays:
Put the two additional paper...