HL-3450CN SERVICE MANUAL
2-7
(3) Recommended paper specifications
Item Description
Basis Weight (g/m
2
)
82 ± 5
Thickness (µ m)
95 ± 6
Smoothness (Bekk) (seconds)
90 ± 20
Stiffness (Clark)
100 ± 15
Brightness (%)
85 ± 2
Surface Resistance (
:
)
10
10
~ 10
11
Grain Direction
Long
Measurement Condition:
17.5 ~ 27.0°C, 50 ~ 70%RH
!
CAUTION:
When you are choosing print media, be sure to it is designed for use with a laser printer and
load the media cassette correctly. Also follow the information given below to prevent any
paper jams, print quality problems or printer damage;
<Paper type to avoid>
x
Highly textured paper.
x
Smooth or shiny paper.
x
Paper that is coated or has a chemical finish.
x
Damaged, wrinkled or pre-folded paper.
x
Paper exceeding the recommend weight specification in the manual.
x
Paper with tabs and staples.
x
Letterheads using low temperature dyes or thermography.
x
Multipart or carbonless paper.
<Envelopes type to avoid>
x
Envelopes constructed with a paper with a weight that exceeds the paper weight
specifications for the printer.
x
Poorly manufactured envelopes with edges that are not straight or consistently square.
x
Envelopes with ‘baggy’ construction of folds that are not sharply creased.
x
Envelopes with transparent windows, holes, cutouts or perforations.
x
Envelopes with clasps, snaps or tie strings.
x
Envelopes made with smooth or shiny paper.
x
Envelopes that are rough, highly textured, or deeply embossed.
x
Envelopes that do not lie flat or that are curled, wrinkled, or irregularly shaped.
x
Envelopes having an open flap with an adhesive that seals the envelope.
<Transparencies / labels type to avoid>
x
Transparencies / labels that cannot withstand a temperature of 200 degrees centigrade
(392 degrees Fahrenheit) for a period of 0.1 seconds.
NOTE:
Keep the paper sealed in the bag as supplied and do not open the bag until the paper is
required for use.
Summary of Contents for HL-3450CN Series
Page 15: ...HL 3450CN SERVICE MANUAL xiii 3 Rating Label For US For Europe 4 Operation Label 5 Jam Label ...
Page 17: ...HL 3450CN SERVICE MANUAL CHAPTER 1 PRODUCT OUTLINE ...
Page 27: ...HL 3450CN SERVICE MANUAL CHAPTER 2 SPECIFICATIONS ...
Page 39: ...CHAPTER 3 INSTALLATION ...
Page 54: ...HL 3450CN SERVICE MANUAL CHAPTER 4 STRUCTURE OF SYSTEM COMPONENTS ...
Page 104: ...HL 3450CN SERVICE MANUAL 4 51 Main PCB Circuit Diagram 1 8 CODE B512137CIR 1 8 LJ8907001 NAME ...
Page 106: ...HL 3450CN SERVICE MANUAL 4 53 Main PCB Circuit Diagram 3 8 CODE B512137CIR 3 8 LJ8907001 NAME ...
Page 108: ...HL 3450CN SERVICE MANUAL 4 55 Main PCB Circuit Diagram 5 8 CODE B512137CIR 5 8 LJ8907001 NAME ...
Page 110: ...HL 3450CN SERVICE MANUAL 4 57 Main PCB Circuit Diagram 7 8 CODE B512137CIR 7 8 LJ8907001 NAME ...
Page 126: ...HL 3450CN SERVICE MANUAL CHAPTER 5 CONTROL PANEL OPERATION ...
Page 173: ...HL 3450CN SERVICE MANUAL CHAPTER 6 PERIODIC MAINTENANCE ...
Page 208: ...CHAPTER 7 DISASSEMBLY RE ASSEMBLY ...
Page 264: ...HL 3450CN SERVICE MANUAL CHAPTER 8 TROUBLESHOOTING ...
Page 310: ...HL 3450CN SERVICE MANUAL 8 47 5 IMAGE FAILURE 1 2 3 4 5 6 7 8 9 a 9 b 10 11 12 13 14 ...
Page 311: ...CHAPTER 8 TROUBLESHOOTING 8 48 15 a 15 b 16 17 18 19 20 21 22 23 24 25 26 27 28 244m m 29 ...