--- title: "How to update PPD File on MAC to prevent users from printing color documents to BW printers." slug: "how-to-update-ppd-file-on-mac-to-prevent-users-from-printing-color-documents-to-bw-printers" updated: 2024-04-11T09:35:06Z published: 2024-04-11T09:35:06Z canonical: "kb.pharos.com/how-to-update-ppd-file-on-mac-to-prevent-users-from-printing-color-documents-to-bw-printers" --- > ## Documentation Index > Fetch the complete documentation index at: https://kb.pharos.com/llms.txt > Use this file to discover all available pages before exploring further. # How to update PPD File on MAC to prevent users from printing color documents to BW printers. How to update PPD File on MAC to prevent users from printing color documents to BW printers? --- *ColorDevice: False *DefaultColorSpace: Gray *VariablePaperSize: True *LandscapeOrientation: Plus90 updfate 2 lines as follows: *ColorDevice: True *DefaultColorSpace: CMYK *CloseUI: *FXOutputMode *OpenUI *FXColorMode/Output Color:PickOne *OrderDependency: 20.0 AnySetup *FXColorMode *DefaultFXColorMode: Color *FXColorMode Color/Color: " 1 dict dup /ProcessColorModel /DeviceCMYK put setpagedevice " Update 3 lines as follows: *DefaultFXColorMode: Black *FXColorMode Black/Black: " 1 dict dup /ProcessColorModel /DeviceGray put setpagedevice " Some PPD Files the Black and White option may be called MONO, not GRAY as shown in the example By making this adjustments users won't be able to print in color to the BW printer queue. (two queue setup required) ## Related - [PDF files do not print correctly, or do not print at all](/pdf-files-do-not-print-correctly-or-do-not-print-at-all.md) - [Employee Transaction detail report lists certain document titles with high page counts](/employee-transaction-detail-report-lists-certain-document-titles-with-high-page-counts.md) - [How the authentication module work on Pharos Canon integrated devices?](/how-the-authentication-module-work-on-pharos-canon-integrated-devices.md) - [Spool files are sometimes not deleted from the spool folder.](/spool-files-are-sometimes-not-deleted-from-the-spool-folder.md)