Craden Peripherals DP8 technical manual Service Parameters, Diagnostics Power Up Diagnostics

3.5.4 Service Parameters

Press 9 4 FUNCT to display the following Service Parameters. These parameters are factory set specifically for each printer and recorded on the configuration label behind the display inside the printer. They do not usually need to be modified by the user.

If changes are made to these settings write the new setting on the configuration label.

CAUTION: CHANGE OF THESE PARAMETERS BY UNTRAINED PERSONNEL MAY RESULT IN INCORRECT PRINTER OPERATION.

DISPLAY	REMARKS
TOP OFFSET = XX	Adjusts the uppermost print line location. Smaller values print
	closer to the top edge.
LEFT OFFSET = XX	Adjusts the carriage home location during document insertion.
	Larger values move the carriage to the left.
LEFT MARGIN = XX	Adjusts the first column print position if edge sensing is not
	installed (EDGE SENSOR parameter will not appear below).
	Larger values move printing to the right.
CAR. ALIGN = XX	Aligns lines printed right to left with lines printed left to right.
	Larger values move right to left printed lines to the left.
FORWARD	Adjusts distances moved down the document. Larger values
COMPENSATION = XX	increase the distance moved.
REVERSE	Adjusts distances moved up the document. Larger values
COMPENSATION = XX	increase the distance moved.
EJECT HOLD OFFSET =	Adjusts how much of the document is held in the feed rollers
XX	after it is ejected. Lower values hold less of the document.
CONFIGURATION = XX	Selects custom options. Select 00 unless indicated otherwise on
	the configuration label or incorrect operation may occur.
GATE OFFSET = XX	Sets the height of the alignment gate. Larger values raise the
	gate higher.
EDGE SENSOR = XX	Adjusts the first column print position from the left paper edge.
	Larger values move printing to the right.
NORMAL DARKNESS =	Adjusts darkness at normal print speed. Lower values reduce
-10 to 10	darkness and increase ribbon life. Select the lowest value that
	provides suitable legibility on thick forms.
CQ DARKNESS = -10 to 10	Adjusts CQ print darkness.
PRINTHEAD TYPE	Only displayed in early version DP8’s with later firmware
	installed. Set to match the printhead body color. Warning: A
	BLACK head can be damaged if set to SILVER.
3.6 Diagnostics
3.6.1 Power Up Diagnostics

Diagnostics run automatically during power-up. If a fault is detected, ROM or RAM TEST BAD may be displayed. If a fault occurs, press A↑ to advance to the next test. However, the printer should not be operated.

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