diff --git a/I7000/i7090_lpr.c b/I7000/i7090_lpr.c
index 7a6271d..409df8c 100644
--- a/I7000/i7090_lpr.c
+++ b/I7000/i7090_lpr.c
@@ -290,7 +290,7 @@ print_line(UNIT * uptr, int chan, int unit)
     }
 
     if (outsel & PRINT_1) {
-        while (uptr->u4 < (uint32)uptr->capac) {
+        while (uptr->u4 < (int32)uptr->capac) {
             if (uptr->flags & UNIT_ATT)
                 sim_fwrite("\n\r", 1, 2, uptr->fileref);
             if (uptr->flags & ECHO) {
@@ -301,8 +301,8 @@ print_line(UNIT * uptr, int chan, int unit)
         }
     }
 
-    if (uptr->u4 >= (uint32)uptr->capac) {
-       uptr->u4 -= (uint32)uptr->capac;
+    if (uptr->u4 >= (int32)uptr->capac) {
+       uptr->u4 -= (int32)uptr->capac;
        dev_pulse[chan] |= PRINT_I;
     }
 
@@ -627,7 +627,6 @@ void
 lpr_ini(UNIT * uptr, t_bool f)
 {
     int                 u = (uptr - lpr_unit);
-    int                 i;
 
     uptr->u3 = 0;
     uptr->u4 = 0;