Brother Pocketjet 3 User Manual

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Charging the  Batter y
NOTE:  Batteries are shipped from the factory uncharged.  Brother recommends that  
  a complete charging cycle (following steps 1 through 3 below) be completed
    before using the battery for the fi rst time.
1. Make sure the printer is connected to an AC  power outlet with the AC  adapter and 
power cord or a DC power cord.
2. Make sure the printer is off.
3. Press the main switch and hold it down for a few seconds until the POWER indicator 
light begins to blink.  This puts the printer in Charge  Mode and starts the charging of 
the battery.
The POWER indicator light blinks until charging is complete.
The maximum time to charge to 100% capacity is approximately 120 minutes.  A new 
battery at 100% charge will yield approximately 70 pages of printing.
When the printer fi nishes charging the battery, it automatically turns itself off, and the 
POWER indicator light goes off.
Note that when the printer is connected to an external source of power, it will 
constantly draw approximately 20 mA to trickle charge the battery.
Stopping the Charge  Process
If you want to stop the printer while it is in Charge mode, press the main switch 
twice quickly. 
						

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Tips on Using the  Batter y
Darker  prints discharge the battery faster than lighter prints do.  Use the density 
adjustment from the driver dialog on your computer or use the Set-Up Utility to adjust 
lightness and darkness.  See “Accessing Advanced Software  Features” on page 7. 
						

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Chapter 3 - Tips on Using  Paper
 
Inserting Paper
1. Use both hands to hold the paper straight while you insert it into the printer’s paper 
input slot.  Make sure the bottom edge of the paper is parallel to the feed roller.
2. Press the paper gently into the printer’s input slot until the roller pulls it into the 
starting position, then let go.  See Figure 14.
Figure 14.  Inserting paper
If the paper is skewed after the printer pulls it into the starting position, you can correct 
the situation as follows:
• If the printer does not start to print immediately, open the release  cover as far back 
as it will go.  See Figures 15 and 16, pages 41 and 42.  Pull the paper out, close the 
cover, and reinsert paper.
• If the printer does start to print, wait for the page to be printed and then reprint that 
page if necessary.
NOTE:  If you insert paper into the printer before you start the print job, you will 
have time to adjust the paper if it is skewed after the printer pulls it into the 
starting position. 
						

							Page 40 See “Form Feed Modes”, page 8 and “Non-Perforated Roll Paper”, page 9 and 
“Perforated Roll Paper”, page 10.
Use Brother Genuine Thermal paper
Brother guarantees optimum compatibility with your PocketJet printer when you use 
Brother Genuine Thermal paper.  This paper is a thermal paper, which eliminates the 
use of toner, ribbons or ink.  It has been specifi cally designed and tested for optimal 
support for the PocketJet printer family. 
Usage and Handling Instructions
• When loading paper, make sure the smooth, coated side faces the back of the printer.
• To avoid wrinkling and tearing, keep paper in its box or bag until ready to use.
• Do not fold, crease, or wrinkle paper prior to loading it into the printer.
• When storing paper, avoid high temperatures and humidity.
• Avoid prolonged exposure to intense ultraviolet light.
• Avoid contact with Diazo (blueprint), carbonless, or castcoated papers.
• Avoid contact with vinyl or acetate materials, such as many notebook or report covers.
• Avoid contact with organic solvents, oils, and ammonia.
• When using a coloured marker, be sure to use one with a water-based ink.  If you use 
a solvent-based marker, it may darken the paper. 
						

							Page 41
Clearing a Paper   
Jam
Method 1
Press and hold the  green Main Power switch.  The drive motor will start and move 
slowly for a few seconds, then move faster as long as you hold the switch down.  This 
can be repeated as many times as necessary.  If this does not move the jammed paper 
out of the printer, use Method 2 below.
Method 2
1. Gently open the release  cover as far back as it will go.  
  See Figure 15. 
Figure 15.  Opening the release  cover 
						

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2. Gently pull the paper out of the printer.  Pulling in either direction is acceptable.  
See Figure 16.
Figure 16.  Pulling jammed  paper out of the printer
3. Close the release  cover.
4. Reinsert a new sheet of paper in the printer and restart the job. 
						

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Chapter 4 - Maintaining the  Printer
Cleaning the Print  Head
To maintain high print quality, clean the print head after 500 prints or whenever you 
detect broken or light characters on the page.
NOTE:   Defective or wrinkled paper can also cause broken or light characters.  If 
the problem does not go away after you clean the print head, try a different 
sheet of paper or a higher density setting.
1.  Make sure the printer is powered on without paper loaded.
NOTE:  If paper is loaded and detected by the printer when you attempt 
to initiate Cleaning  Mode, a Form Feed will be executed instead.
2.  Press the main switch for about two seconds.  The “Data” LED will 
illuminate.
3.  Press the main switch again for less than 2 seconds.  The feed motor will 
begin to turn.
4.  Insert the black cleaning  cloth that came with the printer into the 
printer’s paper input slot with the rough black side, which contains the 
cleaning material, towards the rear of the printer.  See Figure 17.  
The printer pulls the cleaning  cloth through.
5.  The roller movement will stop automatically after about 60 seconds, and 
the printer returns to an idle state.  If you press the main switch before 
60 seconds has elapsed, this will toggle the feed motor on and off.  
Pressing the main switch twice quickly will shut off the printer. 
						

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Figure 17.  Inserting the cleaning  cloth
NOTE:   Do not attempt to clean the print head with any material other than 
  the cleaning  cloth.
  The cleaning  cloth is for head and roller cleaning only.  
  Do not use it to clean any other part of the printer.
 Don’t throw the cleaning  cloth away after you clean the print head.  It 
should last for the life of the printer.  Keep the cleaning  cloth with your 
printer supplies and use it whenever you need to clean the print head. 
						

							Page 45
Cleaning the Platen  Roller
Dirt and debris on the platen  roller can make the roller feed paper into the printer at an 
angle, degrade the quality of the printed image, or both.
1.  Make sure the printer is powered on without paper loaded.
NOTE:  If paper is loaded and detected by the printer when you attempt 
to initiate Cleaning  Mode, a Form Feed will be executed instead.
2.  Press the main switch for about two seconds.  The “Data” LED will 
illuminate.
3.  Press the main switch again for less than 2 seconds.  The feed motor will 
begin to turn.
4.  Insert the black cleaning  cloth that came with the printer into the 
printer’s paper input slot with the rough black side, which contains the 
cleaning material, towards the front of the printer.  See Figure 18.  The 
printer pulls the Cleaning Cloth through.  
5.  The roller movement will stop automatically after about 60 seconds, and 
the printer returns to an idle state.  If you press the main switch before 
60 seconds has elapsed, this will toggle the feed motor on and off.  
Pressing the main switch twice quickly will shut off the printer. 
						

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Figure 18.  Cleaning the platen  roller.
NOTE:   Do not attempt to clean the platen roller with any material other than the
 cleaning  cloth.
The cleaning  cloth is for head cleaning and platen roller cleaning only.  
Do not use it to clean any other part of the printer.
   Don’t throw the cleaning  cloth away after you clean the platen roller.  It 
should last for the life of the printer.  Keep the cleaning  cloth with your 
printer supplies and use it whenever you need to clean the platen roller or 
the print head.