diff --git a/code/__DEFINES/dcs/signals.dm b/code/__DEFINES/dcs/signals.dm
index 65994dda5a..8efb2617bd 100644
--- a/code/__DEFINES/dcs/signals.dm
+++ b/code/__DEFINES/dcs/signals.dm
@@ -32,7 +32,7 @@
 #define COMSIG_ELEMENT_DETACH "element_detach"
 
 /// sent to the component itself when unregistered from a parent
-#define COMSIG_COMPONENT_UNREGISTER_PARENT "component_unregister_parent" 
+#define COMSIG_COMPONENT_UNREGISTER_PARENT "component_unregister_parent"
 /// sent to the component itself when registered to a parent
 #define COMSIG_COMPONENT_REGISTER_PARENT "component_register_parent"
 
@@ -184,6 +184,7 @@
 //	#define HEARING_SOURCE 8
 #define COMSIG_MOVABLE_DISPOSING "movable_disposing"			//called when the movable is added to a disposal holder object for disposal movement: (obj/structure/disposalholder/holder, obj/machinery/disposal/source)
 #define COMSIG_MOVABLE_TELEPORTED "movable_teleported"			//from base of do_teleport(): (channel, turf/origin, turf/destination)
+#define COMSIG_MOVABLE_CHASM_DROP "movable_chasm_drop"			//from base of /datum/component/chasm/drop() (/datum/component/chasm)
 
 // /mind signals
 #define  COMSIG_PRE_MIND_TRANSFER "pre_mind_transfer"			//from base of mind/transfer_to() before it's done: (new_character, old_character)
diff --git a/code/datums/components/chasm.dm b/code/datums/components/chasm.dm
index 0bb6c4a0af..f5a34bfca2 100644
--- a/code/datums/components/chasm.dm
+++ b/code/datums/components/chasm.dm
@@ -76,19 +76,11 @@
 				return FALSE
 		if(M.is_flying())
 			return FALSE
-		if(ishuman(AM))
-			var/mob/living/carbon/human/H = AM
-			if(istype(H.belt, /obj/item/wormhole_jaunter))
-				var/obj/item/wormhole_jaunter/J = H.belt
-				//To freak out any bystanders
-				H.visible_message("<span class='boldwarning'>[H] falls into [parent]!</span>")
-				J.chasm_react(H)
-				return FALSE
 	return TRUE
 
 /datum/component/chasm/proc/drop(atom/movable/AM)
 	//Make sure the item is still there after our sleep
-	if(!AM || QDELETED(AM))
+	if(!AM || QDELETED(AM) || SEND_SIGNAL(AM, COMSIG_MOVABLE_CHASM_DROP, src))
 		return
 	falling_atoms[AM] = (falling_atoms[AM] || 0) + 1
 	var/turf/T = target_turf
diff --git a/code/datums/diseases/advance/symptoms/fire.dm b/code/datums/diseases/advance/symptoms/fire.dm
index ea1897b67d..05e3915470 100644
--- a/code/datums/diseases/advance/symptoms/fire.dm
+++ b/code/datums/diseases/advance/symptoms/fire.dm
@@ -113,9 +113,9 @@ Bonus
 	symptom_delay_max = 90
 	var/chems = FALSE
 	var/explosion_power = 1
-	threshold_desc = "<b>Resistance 9:</b> Doubles the intensity of the effect, but reduces its frequency.<br>\
+	threshold_desc = list("<b>Resistance 9:</b> Doubles the intensity of the effect, but reduces its frequency.<br>\
 					  <b>Stage Speed 8:</b> Increases explosion radius when the host is wet.<br>\
-					  <b>Transmission 8:</b> Additionally synthesizes chlorine trifluoride and napalm inside the host."
+					  <b>Transmission 8:</b> Additionally synthesizes chlorine trifluoride and napalm inside the host.")
 
 /datum/symptom/alkali/Start(datum/disease/advance/A)
 	if(!..())
diff --git a/code/game/objects/items/crayons.dm b/code/game/objects/items/crayons.dm
index 7f8b720509..2a9944f770 100644
--- a/code/game/objects/items/crayons.dm
+++ b/code/game/objects/items/crayons.dm
@@ -735,7 +735,11 @@
 	if(isobj(target))
 		if(actually_paints)
 			var/list/hsl = rgb2hsl(hex2num(copytext(paint_color,2,4)),hex2num(copytext(paint_color,4,6)),hex2num(copytext(paint_color,6,8)))
-			if(hsl[3] < 0.25 && !istype(target, /obj/structure/window) && !istype(target, /obj/effect/decal/cleanable/crayon)) //Colors too dark are rejected
+			var/static/whitelisted = typecacheof(list(/obj/structure/window,
+										/obj/effect/decal/cleanable/crayon,
+										/obj/machinery/door/window)
+									)
+			if(hsl[3] < 0.25 && !whitelisted[target]) //Colors too dark are rejected
 				to_chat(usr, "<span class='warning'>A color that dark on an object like this? Surely not...</span>")
 				return FALSE
 
diff --git a/code/modules/mining/equipment/wormhole_jaunter.dm b/code/modules/mining/equipment/wormhole_jaunter.dm
index c17b62ba6c..e9f8079400 100644
--- a/code/modules/mining/equipment/wormhole_jaunter.dm
+++ b/code/modules/mining/equipment/wormhole_jaunter.dm
@@ -18,6 +18,15 @@
 	SSblackbox.record_feedback("tally", "jaunter", 1, "User") // user activated
 	activate(user, TRUE)
 
+/obj/item/wormhole_jaunter/equipped(mob/user, slot)
+	. = ..()
+	if(slot == SLOT_BELT)
+		RegisterSignal(user, COMSIG_MOVABLE_CHASM_DROP, .proc/chasm_react)
+
+/obj/item/wormhole_jaunter/dropped(mob/user)
+	. = ..()
+	UnregisterSignal(user, COMSIG_MOVABLE_CHASM_DROP)
+
 /obj/item/wormhole_jaunter/proc/turf_check(mob/user)
 	var/turf/device_turf = get_turf(user)
 	if(!device_turf || is_centcom_level(device_turf.z) || is_reserved_level(device_turf.z))
@@ -71,13 +80,14 @@
 			SSblackbox.record_feedback("tally", "jaunter", 1, "EMP") // EMP accidental activation
 			activate(M)
 
-/obj/item/wormhole_jaunter/proc/chasm_react(mob/user)
-	if(user.get_item_by_slot(SLOT_BELT) == src)
-		to_chat(user, "Your [name] activates, saving you from the chasm!</span>")
-		SSblackbox.record_feedback("tally", "jaunter", 1, "Chasm") // chasm automatic activation
-		activate(user, FALSE, TRUE)
-	else
-		to_chat(user, "[src] is not attached to your belt, preventing it from saving you from the chasm. RIP.</span>")
+/obj/item/wormhole_jaunter/proc/chasm_react(mob/source, datum/component/chasm/C)
+	to_chat(source, "Your [name] activates, saving you from the chasm!</span>")
+	SSblackbox.record_feedback("tally", "jaunter", 1, "Chasm") // chasm automatic activation
+	activate(source, FALSE, TRUE)
+	if(C)
+		var/atom/A = C.parent
+		A.visible_message("<span class='boldwarning'>[source] falls into [A]!</span>")
+	return TRUE
 
 //jaunter tunnel
 /obj/effect/portal/jaunt_tunnel
diff --git a/code/modules/paperwork/photocopier.dm b/code/modules/paperwork/photocopier.dm
index 38029b5d4c..25a9cf0043 100644
--- a/code/modules/paperwork/photocopier.dm
+++ b/code/modules/paperwork/photocopier.dm
@@ -187,12 +187,13 @@
  */
 /obj/machinery/photocopier/proc/do_copy_loop(datum/callback/copy_cb, mob/user)
 	busy = TRUE
-	var/i
-	for(i in 1 to num_copies)
+	var/num_loops
+	for(var/i in 1 to num_copies)
 		//if(attempt_charge(src, user) & COMPONENT_OBJ_CANCEL_CHARGE)
 		//	break
 		addtimer(copy_cb, i SECONDS)
-	addtimer(CALLBACK(src, .proc/reset_busy), i SECONDS)
+		num_loops++
+	addtimer(CALLBACK(src, .proc/reset_busy), num_loops SECONDS)
 
 /**
  * Sets busy to `FALSE`. Created as a proc so it can be used in callbacks.