DUPLEX UNIT (DX-3400); Note ; Fig. 6-10 - Page 163

CHAPTER 6 OPTIONS 

6-7 

D

D

U

U

P

P

L

L

E

E

X

X

U

U

N

N

I

I

T

T

(

(

D

D

X

X

-

-

3

3

4

4

0

0

0

0

)

)

The following paper sizes can be used for the Duplex Unit. 

330 x 483 mm (13 x 19"), A3, A4, B4, B5 

Executive, Ledger, Legal, Letter 

Note 

• 

The Lower Tray Unit must be connected before you install the Duplex 
Unit. 

• 

When you perform maintenance on the printer, open the Duplex Top 
Cover Assembly first. 

• 

When you want to open the Rear Access Cover of the printer, open the 
Duplex Lower Cover and the inside unit. 

1. 

Turn the printer off, and then unplug the power cord from the AC outlet. 

2. 

Remove the Fuser Cover that is 
located at the rear top of the 
printer. Remove the Rear Caps (2 
pieces) from the fuser unit. We 
recommend you remove those 
caps with a coin or a screwdriver. 

Fig. 6-10 

3. 

Remove the left hand side cover 
of the Lower Tray Unit. 

Fig. 6-11