diff --git a/Canon-LBP-2900.ppd b/Canon-LBP-2900.ppd
index 305d468..0c2acf1 100644
--- a/Canon-LBP-2900.ppd
+++ b/Canon-LBP-2900.ppd
@@ -47,7 +47,7 @@
 *OpenUI *Resolution/Resolution: PickOne
 *OrderDependency: 10 AnySetup *Resolution
 *DefaultResolution: 600dpi
-*Resolution 600dpi/600 DPI: "<</HWResolution[600 400]/cupsBitsPerColor 1/cupsRowCount 70/cupsRowFeed 592/cupsRowStep 0/cupsColorSpace 3>>setpagedevice"
+*Resolution 600dpi/600 DPI: "<</HWResolution[600 600]/cupsBitsPerColor 1/cupsRowCount 70/cupsRowFeed 592/cupsRowStep 0/cupsColorSpace 3>>setpagedevice"
 *CloseUI: *Resolution
 *DefaultFont: Courier
 *Font AvantGarde-Book: Standard "(1.05)" Standard ROM
diff --git a/src/prn_lbp2900.c b/src/prn_lbp2900.c
index 95b2574..6835623 100644
--- a/src/prn_lbp2900.c
+++ b/src/prn_lbp2900.c
@@ -158,7 +158,7 @@ static bool lbp2900_page_prologue(struct printer_state_s *state, const struct pa
 
 	uint8_t pageparms[] = {
 		0x00, 0x00, 0x30, 0x2A, /* sz */ 0x02, 0x00, 0x00, 0x00,
-		0x1C, 0x1C, 0x1C, 0x1C, pt1, /* adapt */ 0x81, 0x04, 0x00,
+		0x1C, 0x1C, 0x1C, 0x1C, pt1, /* adapt */ 0x11, 0x04, 0x00,
 		0x01, 0x01, /* img ref */ 0x00, save, 0x00, 0x00,
 		/* height margin 118 */ 0x76, 0x00,
 		/*  width margin 78 */  0x4e, 0x00,
@@ -278,8 +278,8 @@ static void lbp2900_page_setup(struct printer_state_s *state,
 	(void) width;
 	dims->band_size = 70;
 	dims->line_size = 4736 / 8;
-	if (height > 4520)
-		dims->num_lines = 4520;
+	if (height > 6778)
+		dims->num_lines = 6778;
 	else
 		dims->num_lines = height;
 }