> That's not my point. In my case these were printers that didn't exist
> any longer but whose entries were still in prefs.js and obviously
> "choked" the preview function of the current printer.
>
> What are the prefs.js entries to make these printers have previews?
>
> Have a look yourself in prefs.js at the numerous entries under
> user_pref("print.printer_ ...)
I only found these:
$ cat prefs.js |grep print.printer
user_pref("print.print_printer", "");
user_pref("print_printer", "");
$ cat prefs.js
# Mozilla User Preferences
/* Do not edit this file.
*
* If you make changes to this file while the application is running,
* the changes will be overwritten when the application exits.
*
* To make a manual change to preferences, you can visit the URL
about:config
*/
user_pref("accessibility.typeaheadfind.flashBar", 0);
user_pref("app.update.auto", false);
user_pref("app.update.disable_button.showUpdateHistory", false);
user_pref("app.update.enabled", false);
user_pref("app.update.lastUpdateTime.addon-background-update-timer",
1422596455);
user_pref("app.update.lastUpdateTime.background-update-timer", 1422586724);
user_pref("app.update.lastUpdateTime.blocklist-background-update-timer",
1422596575);
user_pref("app.update.lastUpdateTime.browser-cleanup-thumbnails",
1422599816);
user_pref("app.update.lastUpdateTime.experiments-update-timer", 1422596335);
user_pref("app.update.lastUpdateTime.microsummary-generator-update-timer",
1347895975);
user_pref("app.update.lastUpdateTime.places-maintenance-timer", 1348291985);
user_pref("app.update.lastUpdateTime.search-engine-update-timer",
1422586604);
user_pref("app.update.never.11.0.0", true);
user_pref("browser.cache.disk.capacity", 358400);
user_pref("browser.cache.disk.smart_size.first_run", false);
user_pref("browser.cache.disk.smart_size.use_old_max", false);
user_pref("browser.cache.disk.smart_size_cached_value", 358400);
user_pref("browser.cache.frecency_experiment", 4);
user_pref("browser.download.importedFromSqlite", true);
user_pref("browser.download.panel.firstSessionCompleted", true);
user_pref("browser.download.panel.shown", true);
user_pref("browser.download.save_converter_index", 3);
user_pref("browser.download.useDownloadDir", false);
user_pref("browser.feeds.showFirstRunUI", false);
user_pref("browser.formfill.enable", false);
user_pref("browser.history_expire_days.mirror", 180);
user_pref("browser.history_expire_days_min", 29);
user_pref("browser.migration.version", 24);
user_pref("browser.newtabpage.enhanced", false);
user_pref("browser.newtabpage.introShown", true);
user_pref("browser.newtabpage.storageVersion", 1);
user_pref("browser.offline", false);
user_pref("browser.open.lastDir",
"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");
user_pref("browser.pagethumbnails.storage_version", 3);
user_pref("browser.places.importBookmarksHTML", false);
user_pref("browser.places.importDefaults", false);
user_pref("browser.places.leftPaneFolderId", -1);
user_pref("browser.places.migratePostDataAnnotations", false);
user_pref("browser.places.smartBookmarksVersion", 7);
user_pref("browser.places.updateRecentTagsUri", false);
user_pref("browser.preferences.advanced.selectedTabIndex", 4);
user_pref("browser.rights.3.shown", true);
user_pref("browser.safebrowsing.remoteLookups", false);
user_pref("browser.search.highlightCount", 0);
user_pref("browser.search.isUS", true);
user_pref("browser.sessionstore.upgradeBackup.latestBuildID",
"20150122214805");
user_pref("browser.shell.checkDefaultBrowser", false);
user_pref("browser.slowStartup.averageTime", 0);
user_pref("browser.slowStartup.notificationDisabled", true);
user_pref("browser.slowStartup.samples", 0);
user_pref("browser.startup.homepage", "
http://news.google.com");
user_pref("browser.startup.homepage_override.buildID", "20150122214805");
user_pref("browser.startup.homepage_override.mstone", "35.0.1");
user_pref("browser.syncPromoViewsLeftMap", "{\"bookmarks\":0}");
user_pref("browser.tabs.loadInBackground", false);
user_pref("browser.uitour.treatment.srch-chg-action", "Close");
user_pref("browser.uitour.treatment.srch-chg-treatment", "whatsnew_2C");
user_pref("browser.uitour.whitelist.add.260", "");
user_pref("browser.uitour.whitelist.add.340", "");
user_pref("browser.uitour.whitelist.add.341", "");
user_pref("datareporting.healthreport.lastDataSubmissionFailureTime",
"1421130141656");
user_pref("datareporting.healthreport.lastDataSubmissionRequestedTime",
"1422595255223");
user_pref("datareporting.healthreport.lastDataSubmissionSuccessfulTime",
"1422595255984");
user_pref("datareporting.healthreport.nextDataSubmissionTime",
"1422681655984");
user_pref("datareporting.healthreport.service.firstRun", true);
user_pref("datareporting.policy.dataSubmissionPolicyAcceptedVersion", 2);
user_pref("datareporting.policy.dataSubmissionPolicyNotifiedTime",
"1417619439082");
user_pref("datareporting.policy.firstRunTime", "1365302462387");
user_pref("datareporting.sessions.current.activeTicks", 1076);
user_pref("datareporting.sessions.current.clean", true);
user_pref("datareporting.sessions.current.firstPaint", 6530);
user_pref("datareporting.sessions.current.main", 3523);
user_pref("datareporting.sessions.current.sessionRestored", 7358);
user_pref("datareporting.sessions.current.startTime", "1422586358950");
user_pref("datareporting.sessions.current.totalTime", 18858);
user_pref("datareporting.sessions.currentIndex", 595);
user_pref("datareporting.sessions.prunedIndex", 594);
user_pref("devtools.telemetry.tools.opened.version",
"{\"DEVTOOLS_TOOLBOX_OPENED_PER_USER_FLAG\":\"32.0.3\",\"DEVTOOLS_INSPECTOR_OPENED_PER_USER_FLAG\":\"32.0.3\",\"DEVTOOLS_RULEVIEW_OPENED_PER_USER_FLAG\":\"32.0.3\"}");
user_pref("devtools.toolbox.selectedTool", "inspector");
user_pref("devtools.toolsidebar-width.inspector", 0);
user_pref("dom.disable_open_during_load", false);
user_pref("dom.mozApps.used", true);
user_pref("dom.w3c_touch_events.expose", false);
user_pref("extensions.blocklist.pingCountTotal", 371);
user_pref("extensions.blocklist.pingCountVersion", 4);
user_pref("extensions.bootstrappedAddons", "{}");
user_pref("extensions.databaseSchema", 16);
user_pref("extensions.enabledAddons",
"%7B972ce4c6-7e08-4474-a285-3208198ce6fd%7D:35.0.1");
user_pref("extensions.enabledItems",
"{972ce4c6-7e08-4474-a285-3208198ce6fd}:3.6.28");
user_pref("extensions.getAddons.cache.lastUpdate", 1422596455);
user_pref("extensions.getAddons.databaseSchema", 5);
user_pref("extensions.lastAppVersion", "35.0.1");
user_pref("extensions.lastPlatformVersion", "35.0.1");
user_pref("extensions.pendingOperations", false);
user_pref("extensions.ui.dictionary.hidden", true);
user_pref("extensions.ui.lastCategory", "addons://list/plugin");
user_pref("extensions.ui.locale.hidden", true);
user_pref("extensions.update.notifyUser", false);
user_pref("extensions.xpiState",
"{\"app-global\":{\"{972ce4c6-7e08-4474-a285-3208198ce6fd}\":{\"d\":\"/Applications/Firefox.app/Contents/Resources/browser/extensions/{972ce4c6-7e08-4474-a285-3208198ce6fd}\",\"e\":true,\"v\":\"35.0\",\"st\":1422380128000,\"mt\":1422380126000}}}");
user_pref("filepicker.lastTypeIndex", 0);
user_pref("font.internaluseonly.changed", true);
user_pref("font.minimum-size.x-western", 12);
user_pref("gecko.buildID", "20150122214805");
user_pref("gecko.mstone", "35.0.1");
user_pref("gfx.blacklist.webgl.msaa", 4);
user_pref("idle.lastDailyNotification", 1422586950);
user_pref("intl.charsetmenu.browser.cache", "windows-1252, ISO-8859-15,
UTF-8, ISO-8859-1, gbk");
user_pref("loop.soft_start_ticket_number", 16327229);
user_pref("media.gmp-gmpopenh264.lastUpdate", 1414168272);
user_pref("media.gmp-gmpopenh264.version", "1.1");
user_pref("media.gmp-manager.lastCheck", 1422598170);
user_pref("network.cookie.prefsMigrated", true);
user_pref("pdfjs.migrationVersion", 2);
user_pref("pdfjs.previousHandler.alwaysAskBeforeHandling", true);
user_pref("places.database.lastMaintenance", 1422595255);
user_pref("places.history.expiration.transient_current_max_pages", 104858);
user_pref("places.last_vacuum", 1344696242);
user_pref("plugin.disable_full_page_plugin_for_types",
"audio/ac3,application/pdf");
user_pref("plugin.importedState", true);
user_pref("pref.advanced.javascript.disable_button.advanced", false);
user_pref("pref.downloads.disable_button.edit_actions", false);
user_pref("pref.privacy.disable_button.view_passwords", false);
user_pref("print.macosx.pagesetup-2",
"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
nByaW50
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k+Y29tL
m
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l
LnByaW50LnRpY2tldC5jcmVhdG9yPC9rZXk+CgkJCTxzdHJpbmc+Y29tLmFwcGxlLmpvYnRpY2tldDwvc3RyaW5nPgoJCQk8a2V5PmNvbS5hcHBsZS5wcmludC50aWNrZXQuaXRlbUFycmF5PC9rZXk+CgkJCTxhcnJheT4KCQkJCTxkaWN0PgoJCQkJCTxrZXk+Y29tLmFwcGxlLnByaW50LlBhcGVySW5mby5QTVBhcGVyTmFtZTwva2V5PgoJCQkJCTxzdHJpbmc+bmEtbGV0dGVyPC9zdHJpbmc+CgkJCQkJPGtleT5jb20uYXBwbGUucHJpbnQudGlja2V0LnN0YXRlRmxhZzwva2V5PgoJCQkJCTxpbnRlZ2VyPjA8L2ludGVnZXI+CgkJCQk8L2RpY3Q+CgkJCTwvYXJyYXk+CgkJPC9kaWN0PgoJCTxrZXk+Y29tLmFwcGxlLnByaW50LlBhcGVySW5mby5QTVVuYWRqdXN0ZWRQYWdlUmVjdDwva2V5PgoJCTxkaWN0PgoJCQk8a2V5PmNvbS5hcHBsZS5wcmludC50aWNrZXQuY3JlYXRvcjwva2V5PgoJCQk8c3RyaW5nPmNvbS5hcHBsZS5qb2J0aWNrZXQ8L3N0cmluZz4KCQkJPGtleT5jb20uYXBwbGUucHJpbnQudGlja2V0Lml0ZW1BcnJheTwva2V5PgoJCQk8YXJyYXk+CgkJCQk8ZGljdD4KCQkJCQk8a2V5PmNvbS5hcHBsZS5wcmludC5QYXBlckluZm8uUE1VbmFkanVzdGVkUGFnZVJlY3Q8L2tleT4KCQkJCQk8YXJyYXk+CgkJCQkJCTxpbnRlZ2VyPjA8L2ludGVnZXI+CgkJCQkJCTxpbnRlZ2VyPjA8L2ludGVnZXI+CgkJCQkJCTxyZWFsPjcyMDwvcmVhbD4KCQkJCQkJPHJlYWw+NTc2PC9yZWFsPgoJCQkJCTwvYXJyYX
k+CgkJC
Q
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
b20uYXB
w
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");
user_pref("print.print_bgcolor", false);
user_pref("print.print_bgimages", false);
user_pref("print.print_colorspace", "");
user_pref("print.print_command", "");
user_pref("print.print_downloadfonts", false);
user_pref("print.print_duplex", 1072698490);
user_pref("print.print_evenpages", true);
user_pref("print.print_in_color", true);
user_pref("print.print_margin_bottom", "0.5");
user_pref("print.print_margin_left", "0.5");
user_pref("print.print_margin_right", "0.5");
user_pref("print.print_margin_top", "0.5");
user_pref("print.print_oddpages", true);
user_pref("print.print_orientation", 0);
user_pref("print.print_page_delay", 50);
user_pref("print.print_pagedelay", 500);
user_pref("print.print_paper_data", 0);
user_pref("print.print_paper_height", " 11.00");
user_pref("print.print_paper_name", "");
user_pref("print.print_paper_size_type", 1);
user_pref("print.print_paper_size_unit", 0);
user_pref("print.print_paper_width", " 8.50");
user_pref("print.print_plex_name", "");
user_pref("print.print_printer", "");
user_pref("print.print_resolution", -515396076);
user_pref("print.print_resolution_name", "");
user_pref("print.print_reversed", false);
user_pref("print.print_scaling", " 1.00");
user_pref("print.print_shrink_to_fit", true);
user_pref("print.print_to_file", false);
user_pref("print.print_to_filename", "");
user_pref("print.print_unwriteable_margin_bottom", 50);
user_pref("print.print_unwriteable_margin_left", 25);
user_pref("print.print_unwriteable_margin_right", 25);
user_pref("print.print_unwriteable_margin_top", 50);
user_pref("print_bgcolor", false);
user_pref("print_bgimages", false);
user_pref("print_colorspace", "");
user_pref("print_command", "");
user_pref("print_downloadfonts", false);
user_pref("print_duplex", 1);
user_pref("print_edge_bottom", 0);
user_pref("print_edge_left", 0);
user_pref("print_edge_right", 0);
user_pref("print_edge_top", 0);
user_pref("print_evenpages", true);
user_pref("print_footercenter", "");
user_pref("print_footerleft", "&PT");
user_pref("print_footerright", "&D");
user_pref("print_headercenter", "");
user_pref("print_headerleft", "&T");
user_pref("print_headerright", "&U");
user_pref("print_in_color", true);
user_pref("print_margin_bottom", "0.5");
user_pref("print_margin_left", "0.5");
user_pref("print_margin_right", "0.5");
user_pref("print_margin_top", "0.5");
user_pref("print_oddpages", true);
user_pref("print_orientation", 0);
user_pref("print_page_delay", 50);
user_pref("print_paper_data", 0);
user_pref("print_paper_height", " 11.00");
user_pref("print_paper_name", "");
user_pref("print_paper_size_type", 1);
user_pref("print_paper_size_unit", 0);
user_pref("print_paper_width", " 8.50");
user_pref("print_plex_name", "");
user_pref("print_printer", "");
user_pref("print_resolution", 378077312);
user_pref("print_resolution_name", "");
user_pref("print_reversed", false);
user_pref("print_scaling", " 1.00");
user_pref("print_shrink_to_fit", true);
user_pref("print_to_file", false);
user_pref("print_to_filename", "");
user_pref("print_unwriteable_margin_bottom", 12);
user_pref("print_unwriteable_margin_left", 12);
user_pref("print_unwriteable_margin_right", 12);
user_pref("print_unwriteable_margin_top", 12);
user_pref("privacy.clearOnShutdown.cookies", false);
user_pref("privacy.clearOnShutdown.offlineApps", true);
user_pref("privacy.cpd.offlineApps", true);
user_pref("privacy.cpd.siteSettings", true);
user_pref("privacy.donottrackheader.enabled", true);
user_pref("privacy.item.offlineApps", true);
user_pref("privacy.sanitize.migrateFx3Prefs", true);
user_pref("privacy.sanitize.timeSpan", 0);
user_pref("security.OCSP.disable_button.managecrl", false);
user_pref("security.disable_button.openCertManager", false);
user_pref("security.warn_viewing_mixed", false);
user_pref("services.sync.clients.lastSync", "0");
user_pref("services.sync.clients.lastSyncLocal", "0");
user_pref("services.sync.globalScore", 0);
user_pref("services.sync.migrated", true);
user_pref("services.sync.nextSync", 0);
user_pref("services.sync.tabs.lastSync", "0");
user_pref("services.sync.tabs.lastSyncLocal", "0");
user_pref("signon.importedFromSqlite", true);
user_pref("signon.rememberSignons", false);
user_pref("spellchecker.dictionary", "en-US");
user_pref("storage.vacuum.last.index", 1);
user_pref("storage.vacuum.last.places.sqlite", 1420771514);
user_pref("toolkit.startup.last_success", 1422586362);
user_pref("toolkit.telemetry.previousBuildID", "20150122214805");
user_pref("toolkit.telemetry.prompted", 2);
user_pref("toolkit.telemetry.rejected", true);
user_pref("urlclassifier.keyupdatetime.
https://sb-ssl.google.com/safebrowsing/newkey",
1401124173);
user_pref("urlclassifier.tableversion.goog-black-enchash", "1.66048");
user_pref("urlclassifier.tableversion.goog-black-url", "1.25401");
user_pref("urlclassifier.tableversion.goog-white-domain", "1.484");
user_pref("urlclassifier.tableversion.goog-white-url", "1.371");
user_pref("xpinstall.whitelist.add", "");
user_pref("xpinstall.whitelist.add.180", "");
user_pref("xpinstall.whitelist.add.36", "");
For kicks, I renamed this file and started up Firefox to redo its
prefs.js file. Same results (no print preview). I also tried the other
Mac OS X v10.8.5 account (administrator instead of standard level) and
still saw the same problem. Also, here is a screen shot/capture of the
main printer options:
http://i.imgur.com/efNtEZj.gif ... I also checked
every options and could not any preview. :(
Now what? Is there somewhere else to look? FYI, it doesn't matter if the
HP printer is slightly new (a few years old) or over a decade old. :(
--
"Oh bother", said Winnie the Pooh, "There's an ant on my foot..."