User Manual

Table Of Contents
Feed Button Modes
70
980608-001 Rev. A GK420d User Guide 12/14/07
Power On Modes
Wi th the pri nter power on and top cover closed, press and hol d the Feed button for several seconds. The green status LED
will flash a number of times in sequence. The explanation at the ri ght (Acti on) shows what happens when you release the
key after the start specifi c number of fl ashes and before the next flash sequence starts.
Flash Sequence Action
*
Configuration Status - Pri nts a detail ed pri nter conf iguration status label . The l abel can be
used to verif y printing, assist printer to computer communication configuration,
mai ntenance, troubl eshooting, and help us with customer care communications.
*
**
Standard Media Calibration - The pri nter detects and sets medi a type and medi a length,
and it adjusts the medi a sensors for optim al perform ance with the instal led m edia. The
pri nter wil l f eed one to f our labels.
Note: Users familiar with the Zebra EPL desktop printer use this Feed mode to replace
power-up AutoSensing calibration.
*
**
***
Serial Por t Configuration - Applies only to printers with serial interface ports.
To reset the com municati on param eters. Press and release the Feed button while the LED
rapi dly fl ashes amber and green.
For autobaud synchroni zati on: Send the ^XA^X Z com mand sequence to the pri nter whi le
the LED rapidl y f lashes amber and green. When the printer and host are synchronized, the
LED changes to soli d green. NOTE: No labels will print during autobaud synchroni zati on.
*
**
***
****
Factory Defaults - Resets the printer to the default factory settings and modes. See the
confi gurati on label for a li st of the pri mary settings affected by this Feed Mode option.
Other setti ngs are exclusi vely set, vi ewed and control led by programm ing are also reset.
The printer then perf orms a standard medi a cal ibration.
*
**
***
****
*****
Print Width Adjustment - Prints a successi on boxes starti ng at the mi nim um pri nt width
and ending in the printer’s maximum print width in 4mm increm ents. Press the Feed button
once when the printer has reached the desired m axim um print width. Note that the printer
dri ver and appl ications can overri de thi s setti ng.
*
**
***
****
*****
******
P r in t Dar kn ess ( Den si ty) Adjustment - Prints a succession of bar code simulation
patterns starting at the minimum darkness (pri nt densi ty/heat) and ending in the printer’s
maxi mum darkness in i ncrem ents of f our (4) usi ng the ZPL darkness setting range values.
Press the Feed button once the pattern i s clear and legi ble. Do not continue to increase the
darkness setting. Bar code li ne wi dths m ay become distorted reducing readabil ity. Note
that the printer driver and appl ications can overri de thi s setti ng.
*
**
***
****
*****
******
*******
Manual Media Calibr ation - The pri nter runs extensive tests to detect and set medi a type
and media length, and then it adjusts the media sensors for optimal perf orm ance wi th the
install ed medi a. Manual cal ibration i s recom mended whenever you are usi ng pre-printed
media, print on the liner or if the printer will not correctly auto calibrate. A graphical
profi le of the m edia sensi ng wil l print. See Manual Calibration on page 65 f or m ore detai ls
and consi derations.
If the Feed button remains pressed after a 8-flash sequence, the printer exits the configuration mode
when the Feed button is released.