Polaroid P420T

Problem
Possible Cause
Suggested
Solution
Not
Printing
* Cable is not connected to
serial or USB interface or
parallelport correctly.
* The serial port cable pin
configuration is not pin to pin
connected.
* Re-connect cable to interface.
* If using serialcable,
- Please replace the cable with pin to pin
connected.
- Check the baud rate setting. The default baud
rate setting of printer is 9600,n,8,1.
* If using the Ethernet cable,
- Check if the Ethernet RJ-45 connector
green LED is lit on.
- Check if the Ethernet RJ-45 connector
amber LED is blinking.
- Check if the printer gets the IP address when
using DHCP mode.
- Check if the IP address is correct when using
the static IP address.
- Wait a few seconds let the printer get the
communication with the server then check the
IP
address setting again.
* Change a new cable.
* Ribbon and media are not compatible.
* Verify the ribbon-inkedside.
* Reload the ribbon again.
* Clean the print head.
* The print density setting is incorrect.
* Print head’s harness connector is not well
connected with printheat. Turn off the printer and
plug the connector again.
* Check your program if there is a command PRINT
at the end of the file and theremust have CRLF at
the end of each command line.
Memory
full
( FLASH / DRAM
)
*
The space of FLASH/DRAM
isfull.
* Delete unused files in the FLASH/DRAM.
* The max. numbers of DRAM is 256 files.
* The max. user addressable memoryspace of
DRAM is 256KB.
* The max. numbers of file of FLASH is 256 files.
* The max. user addressable memoryspace of
FLASH is 2560KB.
microSD card
is unableto use
* microSD card is damaged.
* microSD card doesn’t insert
correctly.
* Use the non-approved
microSD card manufacturer.
* Use the supported capacity microSD card.
* Insert the microSD card again.
* The supported microSD card spec and the
approved microSD card manufacturers, please
refer to section 2.2.3.
Poor Print
Quality
* Ribbon and media is loaded
incorrectly
* Dust or adhesive
accumulation on the print
head.
* Print density is not set
properly.
* Printhead element
is damaged.
* Ribbon and media are
incompatible.
* The printhead pressure is not
setproperly.
* Reload the supply.
* Clean the print head.
* Clean the platen roller.
* Adjust the print density and print speed.
* Run printer self-test and check the print head
test pattern if there is dot missing in the pattern.
* Change proper ribbon or proper label
media.
* The print head mechanism does not latch the
print head properly.
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