Brother HL-3450CN Series User Manual page 33

The following figure details the recommended area around the printer for
proper ventilation, operation and maintenance.
Note
•
Ensure that there is enough space behind the printer so you can easily
access the rear cover or Duplex unit if a paper jam occurs.
•
Make sure that the Paper Cassette does not extend past the edge of the
table where the printer is installed.
Rear
10cm (4")
80cm(32")
Media Cassette
70cm(28")
70cm(28")
Front
1-15
20cm(8")
Table
50cm (20")
Printer
20cm(8")
Fig. 1-4
CHAPTER 1 INTRODUCTION