Panasonic Color Laser Printer Kx P8420 Operating Instructions

191 Care and Maintenance
3Insert each toner cartridge into a plastic bag and seal 
the end of the bag tightly.
4Repeat steps 1 (b) through 3 for each toner cartridge.
To finish repacking the printer:
1Wipe off any loose toner in and around the printer.
NOTE:
•If a toner vacuum is available, it is the best tool for cleaning 
spilled toner. Do not use a standard office vacuum; the toner will 
not be retained by typical vacuum dust collectors.
2Raise the output tray and secure it to the printer with...

192 Care and Maintenance
4If you have a 2nd Cassette Feeder, lift the printer up and 
away from the 2nd Cassette Feeder.
SAFETY CAUTION:
•The printer weighs approximately 41.7 kg {91.9 lbs.} and the 2nd 
Cassette Feeder weighs approximately 14.3 kg {31.5 lbs.}. 
Observe standard precautions for lifting heavy objects.
5Repack the 2nd Cassette Feeder in its original shipping 
box.
6Repack any other accessories in their original shipping 
boxes.
7Repack the printer in the original shipping box. Make 
sure...

 
Chapter 9
193 
Options 
Upgrade options 
The following upgrade options and consumables are available for the 
KX-P8420 Color Printer from your local Panasonic reseller: 
• 
Hard Disk Drive (KX-PDHD1) for storing print jobs, and additional fonts 
(page 196) 
• 
16 MB (KX-PEMD1) or 32 MB (KX-PEMD2) SDRAM DIMMs (page 199)
Two DIMM slots for additional memory are available on the printer 
controller board. Each slot can support a 16 MB or 32 MB SDRAM DIMM. 
• 
Ethernet (KX-PNBC5) or Token Ring (KX-PNBC6)...

 
194 Options 
3 
Carefully pull the printer controller board out of its slot in 
the printer. 
For instructions on installing printer options see: 
• 
“Installing a hard disk drive” on page 196 
• 
“Installing additional memory” on page 199 
• 
“Installing network cards” on page 202
Printer controller board 

 
195 Options 
To replace the printer controller board: 
1 
Align the printer controller board with the groove on the 
back of the printer and carefully slide it back inside the 
printer. 
2 
Tighten the two thumbscrews on the printer controller 
board that you loosened earlier, using a cross-point 
head (+) screwdriver. 
3 
Plug in the power cord and reconnect any cables to the 
back of the printer.
Printer controller board 

 
196 Options 
Installing a hard disk drive 
The following section explains how to install the hard disk drive on the 
KX-P8420. It also describes how to initialize the new hard disk drive for use 
from the printer’s front panel.
To install the hard disk drive you will need to remove the printer controller 
board, install the drive and then replace the printer controller board in the 
printer. For instructions, see “Removing and replacing the printer controller 
board” on page 193.
SAFETY CAUTION:
 
•...

197 Options
To install a new hard disk drive:
1Place the printer controller board on a stable surface. 
2Insert the provided cable into the connector on the 
printer controller board, directing a projection on the 
cable against the groove in the connector.
Slide the cable until the click is heard.
3Unpack the new hard disk drive. With the electrical 
circuit board side up, place the drive on a flat surface or 
on the palm of your hand.
Do not touch the drive with magnetic objects or place objects...

 
198 Options 
5 
Put the four stand offs of the hard disk drive into the four 
holes, and secure the hard disk drive on the printer 
controller board with four screws. 
6 
Insert the other end of the cable into the connector on 
the hard disk drive. 
The pins on the hard disk drive’s connector are in two groups 
(A and B). Be sure to insert the cable into the part A. 
7 
Stick the label provided to the hard disk drive. 
8 
Replace the printer controller board in the printer.  
For instructions, see...

199 Options
After you install the hard disk and power on the printer, you may be 
prompted to initialize the new hard disk drive. If so, follow the directions 
below:
1From Ready or Ready(Sleep), press the Menu/Exit 
button to enter the Setup menus.
2Press the Continue/Forward button until Hard Disk 
appears. Follow the instructions on the LCD.
Installing additional memory
The following section explains how to install a 16 or 32 MB SDRAM 
(Synchronous Dynamic Random Access Memory) DIMM (Dual In-line...

 
200 Options 
The printer controller board ships with the following memory configuration: 
• 
The DIMM slot numbered J1, is reserved for the printer’s system software 
ROM DIMM. 
• 
The DIMM slot numbered J8 contains a 16 MB SDRAM DIMM.  
• 
The remaining two slots, J2 and J3 are empty. 
Additional SDRAM DIMMs may be purchased for your printer in 16 or 
32 MB configurations, allowing your printer a maximum memory 
configuration of 80 MB of SDRAM. 
To install a SDRAM DIMM you will need to remove the...