Populate Combobox From Access

i have the following

Dim cn As ADODB.Connection
Dim qc As ADODB.Recordset
Dim Equip_File As String
Dim Equip_ID As String
Dim Equip_Param As String

Set cn = New ADODB.Connection
Set qc = New ADODB.Recordset

cn.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=\ServerDISK 1UncertaintiesUncertainties.mdb"
'Populate QC Number Dropdown menu
qc.Open "SELECT [Equipment_QC] FROM [Equipment_Table]", cn, adOpenStatic
With ComboBox12.List
.Clear
Do Until qc.EOF
.AddItem
qc.MoveNext
Loop
End With
Equipment_Title.Text = rst.Fields.Item("Equipment_Title").value
qc.Close


however, i cant seem to populate the list, i get error :424 object required

is this because the first record in the db has the Equipment_QC field blank? i need to be able to have blank fields..