Please use the following queries:
Select Top 1000000 tsysAssetTypes.AssetTypeIcon10 As icon,
tblAssets.AssetID,
tblAssets.AssetName,
tblAssetCustom.Printerstatus,
tblAssetCustom.Printedpages,
tblAssetCustom.Model,
tblAssets.Lastseen
From tblAssets
Inner Join tblAssetCustom On tblAssets.AssetID = tblAssetCustom.AssetID
Inner Join tsysAssetTypes On tsysAssetTypes.AssetType = tblAssets.Assettype
Inner Join tblCustDevPrinter On tblAssets.AssetID = tblCustDevPrinter.AssetID
Where tblAssetCustom.State = 1
Select Top 1000000 tsysAssetTypes.AssetTypeIcon10 As icon,
tblAssets.AssetID,
tblAssets.AssetName,
tblAssetCustom.Model,
tblCustDevPrinter.TonerRemaining,
tblCustDevPrinter.Tonername,
tblCustDevPrinter.Lastchanged
From tblAssets
Inner Join tblAssetCustom On tblAssets.AssetID = tblAssetCustom.AssetID
Inner Join tsysAssetTypes On tsysAssetTypes.AssetType = tblAssets.Assettype
Inner Join tblCustDevPrinter On tblAssets.AssetID = tblCustDevPrinter.AssetID
Where tblAssetCustom.State = 1