Index: Plug.tmpasm
===================================================================
--- Plug.tmpasm	(revision 34520)
+++ Plug.tmpasm	(revision 34521)
@@ -1,5 +1,6 @@
 put /local/pcb/mod {export_lpr}
 put /local/pcb/mod/OBJS [@ $(PLUGDIR)/export_lpr/lpr.o @]
+put /local/pcb/mod/CONF {$(PLUGDIR)/export_lpr/export_lpr_conf.h}
 
 switch /local/pcb/export_lpr/controls
 	case {buildin}   include /local/pcb/tmpasm/buildin; end;
Index: export_lpr_conf.h
===================================================================
--- export_lpr_conf.h	(nonexistent)
+++ export_lpr_conf.h	(revision 34521)
@@ -0,0 +1,15 @@
+#ifndef PCB_EXPORT_LPR_CONF_H
+#define PCB_EXPORT_LPR_CONF_H
+
+#include <librnd/core/conf.h>
+
+typedef struct {
+	const struct {
+		const struct {
+			RND_CFT_REAL default_xcalib;   /* Initialize xcalib to this value on start - should be a printer specific calibration value */
+			RND_CFT_REAL default_ycalib;   /* Initialize ycalib to this value on start - should be a printer specific calibration value */
+		} export_lpr;
+	} plugins;
+} conf_export_lpr_t;
+
+#endif
Index: lpr.c
===================================================================
--- lpr.c	(revision 34520)
+++ lpr.c	(revision 34521)
@@ -18,9 +18,13 @@
 #include <librnd/core/hid_attrib.h>
 #include <librnd/core/actions.h>
 
+#include "export_lpr_conf.h"
 const char *lpr_cookie = "lpr HID";
 static rnd_hid_t lpr_hid;
 
+conf_export_lpr_t conf_export_lpr;
+
+
 static const rnd_export_opt_t base_lpr_options[] = {
 
 /* %start-doc options "98 lpr Printing Options"
@@ -44,6 +48,21 @@
 static int num_lpr_options = 0;
 static rnd_hid_attr_val_t lpr_values[NUM_OPTIONS];
 
+static void lpr_maybe_set_value(const char *name, double new_val)
+{
+	int n;
+
+	if (new_val <= 0)
+		return;
+
+	for(n = 0; n < num_lpr_options; n++) {
+		if (strcmp(name, lpr_options[n].name) == 0) {
+			lpr_values[n].dbl = new_val;
+			break;
+		}
+	}
+}
+
 static const rnd_export_opt_t *lpr_get_export_options(rnd_hid_t *hid, int *n)
 {
 	const char *val;
@@ -56,6 +75,9 @@
 		memcpy(lpr_options, base_lpr_options, sizeof(base_lpr_options));
 
 		rnd_hid_load_defaults(&lpr_hid, lpr_options, num_lpr_options);
+
+		lpr_maybe_set_value("xcalib", conf_export_lpr.plugins.export_lpr.default_xcalib);
+		lpr_maybe_set_value("ycalib", conf_export_lpr.plugins.export_lpr.default_ycalib);
 	}
 
 	/*
@@ -125,6 +147,7 @@
 {
 	rnd_remove_actions_by_cookie(lpr_cookie);
 	rnd_hid_remove_hid(&lpr_hid);
+	rnd_conf_unreg_fields("plugins/export_lpr/");
 }
 
 int pplg_init_export_lpr(void)
@@ -151,5 +174,9 @@
 	rnd_hid_register_hid(&lpr_hid);
 	rnd_hid_load_defaults(&lpr_hid, base_lpr_options, NUM_OPTIONS);
 
+#define conf_reg(field,isarray,type_name,cpath,cname,desc,flags) \
+	rnd_conf_reg_field(conf_export_lpr, field,isarray,type_name,cpath,cname,desc,flags);
+#include "export_lpr_conf_fields.h"
+
 	return 0;
 }