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CONTENTS
CHAPTER 1 LINE PRINTERS
1.5 LN03 LASER PRINTER . . . . . . . . . . . . . . . . 1-1
1.5.1 Indicator Panel . . . . . . . . . . . . . . . . 1-1
1.5.2 Changing Paper . . . . . . . . . . . . . . . . 1-3
1.5.3 Replacing the Toner Cartridge and Cleaning Pad . 1-3
1.5.4 Replacing the Toner Collection Bottle . . . . . 1-7
FIGURES
1-1 Indicator Panel . . . . . . . . . . . . . . . . . 1-2
1-2 Paper Tray . . . . . . . . . . . . . . . . . . . . 1-3
1-3 Development Drawer . . . . . . . . . . . . . . . 1-4
1-4 Toner Cartridge . . . . . . . . . . . . . . . . . 1-4
1-5 Toner Cartridge Hopper Notches . . . . . . . . . . 1-5
1-6 Toner Cartridge Release Tab . . . . . . . . . . . 1-5
1-7 Paper Exit Cover Release Lever . . . . . . . . . . 1-6
1-8 Paper Exit Cover Lock Lever . . . . . . . . . . . 1-6
1-9 Fusing Unit Cover Locking Tabs . . . . . . . . . . 1-6
1-10 Cleaning Pad . . . . . . . . . . . . . . . . . . . 1-7
1-11 Toner Collection Bottle . . . . . . . . . . . . . 1-8
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1.5 LN03 LASER PRINTER
The LN03 laser printer is a nonimpact page printer that uses laser
recording technology to produce high-quality printed output. When
performing continuous text printing, the LN03 prints eight pages per
minute.
1.5.1 Indicator Panel
The indicator panel is located on the front of the LN03 in the upper
right-hand corner (see Figure 1-1). The panel can display the
following symbols, shown in Figure 1-1 inset:
1. CHARACTER DISPLAY: Displays informational or error code.
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NOTE
A flashing "6" on the CHARACTER DISPLAY is
not an error condition. It indicates the
printer is busy loading fonts, which can take
several minutes.
A steady "6" on the CHARACTER DISPLAY
indicates there is still data in the buffer.
Press ON/OFF LINE twice to eject the last
page of print.
Figure 1-1: Indicator Panel
2. PAPER JAM: Flashes with "E" on CHARACTER DISPLAY when paper
exit area needs clearing. Flashes with "F" on CHARACTER
DISPLAY when paper feed area needs clearing.
3. CONTROLLER ERROR: Flashes to indicate an error caused by the
controller.
4. ON/OFF LINE Indicator Button: Press to set printer ON-LINE
or OFF-LINE. Lit when the printer is ON-LINE.
5. READY Indicator: Flashes when the printer is warming up.
Lit steadily when the printer is ready to print. The READY
indicator remains OFF when the printer is printing.
6. POWER Indicator: Lit when printer power is ON.
7. CALL FIELD SERVICE: Flashes with CHARACTER DISPLAY when
printer needs repair.
8. ADD PAPER: Flashes when paper tray is empty (see Changing
Paper, Section 1.5.2).
9. REPLACE TONER CARTRIDGE & CLEANING PAD: Flashes when toner
cartridge and cleaning pad need to be replaced (see Replacing
the Toner and Cleaning Pad, Section 1.5.3).
10. REPLACE TONER COLLECTION BOTTLE: Flashes when toner
collection bottle is full or not present (see Replacing the
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Toner Collection Bottle, Section 1.5.4).
11. MAINTENANCE: Lit when printer needs maintenance. See
Installing and Using the LN03A or the LN03 User Maintenance
Kit (PN LN03X-AD) for maintenance procedures.
An Operator Reference booklet is attached to the top of the printer.
1.5.2 Changing Paper
To add paper, lift the paper tray cover and place paper in the paper
tray (see Figure 1-2). (The side that is up in the paper tray is the
side that will be printed.) Then close the paper tray.
To avoid paper jams, do not add paper above the paper tray limit line,
shown in Figure 1-2 inset.
Figure 1-2: Paper Tray
NOTE
Use only high quality paper such as DIGITAL's LN03X-AF
and/or LN03X-AH to ensure smooth operation of your
LN03.
1.5.3 Replacing the Toner Cartridge and Cleaning Pad
The LN03 indicates when it needs paper, toner, or maintenance by
flashing the appropriate indicator panel symbol.
Instructions for replacing the toner cartridge and cleaning pad are
included in the LN03 Toner Kit (PN LN03X-AC) and in the manual
Installing and Using the LN03A. Use the following procedure if you do
not have those instructions.
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CAUTION
Too much toner can damage the printer. Add one toner
cartridge and cleaning pad to the printer only when
the REPLACE TONER CARTRIDGE & CLEANING PAD indicator
lights.
1. Power off the printer.
2. Check that the printer's paper tray is installed.
3. Pull the development drawer out firmly, letting it slide in
the guide tracks on the paper tray cover until it stops (see
Figure 1-3).
Figure 1-3: Development Drawer
CAUTION
Do not open the development drawer without
the paper tray installed. The paper tray
supports the development drawer.
Figure 1-4: Toner Cartridge
4. Open the toner cartridge cover (see Figure 1-4).
5. Remove the old toner cartridge by sliding it to the left and
then up (see Figure 1-4 inset).
6. Shake the new toner cartridge vigorously for about 15
seconds.
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7. Install the toner cartridge, foil side down, so the release
tab is on the right side and the cartridge guides are in the
hopper notches.
8. Slide the toner cartridge to the right until the guides stop
against the hopper notches (see Figure 1-5).
Figure 1-5: Toner Cartridge Hopper Notches
9. Move the release tab from the top of the toner cartridge; let
the tab hang from the right side of the cartridge.
10. Close the toner cartridge cover.
Figure 1-6: Toner Cartridge Release Tab
11. Holding the toner cartridge cover down securely, pull the
release tab out firmly until the second release tab appears
(see Figure 1-6).
12. Pull the second tab out firmly to release the toner and
remove the tabs.
CAUTION
Do not remove the toner cartridge after
adding the toner. The cartridge acts as a
cover to keep stray toner from damaging the
printer.
13. Close the development drawer.
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(You are now finished replacing the toner cartridge. Steps 14 through
21 describe how to replace the cleaning pad.)
WARNING
To prevent personal injury, the printer
should remain off for 40 minutes until
completely cool before you open the fusing
unit cover to replace the cleaning pad.
14. Open the paper exit cover by lifting its release lever (see
Figure 1-7).
Figure 1-7: Paper Exit Cover Release Lever
15. Push the lock lever firmly toward the rear of the printer
until the fusing unit rests on the paper exit cover (see
Figure 1-8).
Figure 1-8: Paper Exit Cover Lock Lever
16. Open the fusing unit cover by pushing the two locking tabs
back (see Figure 1-9).
Figure 1-9: Fusing Unit Cover Locking Tabs
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17. Remove the old cleaning pad (see Figure 1-10).
Figure 1-10: Cleaning Pad
18. Insert a new cleaning pad.
19. Close the fusing unit cover.
20. Pull the fusing unit forward until it locks into its
operating position.
21. Close the paper exit cover.
22. Power on the printer.
23. Print ten summary sheets by pressing the test button at the
rear of the printer for each sheet.
NOTE
The summary sheets are printed to properly seat the
cleaning pad to the heat roller. After ten sheets the
print quality should be clean and legible.
1.5.4 Replacing the Toner Collection Bottle
Replace the toner collection bottle when the REPLACE TONER COLLECTION
BOTTLE lights (see Figure 1-1).
Instructions for replacing the toner collection bottle are included in
the LN03 Toner Kit (PN LN03X-AC) and in the manual Installing and
Using the LN03A. Use the following procedure if you do not have those
instructions.
1. Open the left side cover (see Figure 1-11).
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Figure 1-11: Toner Collection Bottle
2. Remove the old, full toner collection bottle by gently
pushing it down and then lifting it out at a slight angle
(see Figure 1-11 inset).
3. Remove the cap from the new toner collection bottle and place
the new cap on the bottle of used toner. Discard the old
bottle.
CAUTION
Do not reuse toner from the toner collection
bottle. Used toner will damage the
development unit.
4. Insert a new toner collection bottle.
5. Close the left side cover.
After adding toner, clean the external surfaces with a soft, damp
cloth. Vacuum the feed, exit, and fusing areas.
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