{"id":20152,"date":"2026-06-18T09:25:48","date_gmt":"2026-06-18T08:25:48","guid":{"rendered":"https:\/\/infowp.cartridgepeople.com\/?p=20152"},"modified":"2026-06-18T09:25:49","modified_gmt":"2026-06-18T08:25:49","slug":"printer-drum-guide","status":"publish","type":"post","link":"https:\/\/www.cartridgepeople.com\/info\/blog\/printer-drum-guide","title":{"rendered":"Printer Drum: When to Replace It and How to Know It\u2019s Worn Out"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The printer drum should be replaced when there\u2019s a noticeable drop in print quality, you get a printer warning or the drum reaches its page yield.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A drum unit is often called an imaging unit, but the exact part can vary by printer brand and model. It\u2019s also important to note that drums can either be separate from or part of the toner cartridge.<\/p>\n\n\n\n<ul>\n<li><a href=\"#What is a Printer Drum?\">What is a Printer Drum?<\/a><\/li>\n<li><a href=\"#What Does \u2018Replace Drum\u2019 Mean?\">What Does \u2018Replace Drum\u2019 Mean?<\/a><\/li>\n<li><a href=\"#Signs Your Printer Drum Needs Replacing\">Signs Your Printer Drum Needs Replacing<\/a><\/li>\n<li><a href=\"#How Long Does a Printer Drum Last?\">How Long Does a Printer Drum Last?<\/a><\/li>\n<li><a href=\"#Should You Clean or Replace the Printer Drum?\">Should You Clean or Replace the Printer Drum?<\/a><\/li>\n<li><a href=\"#Can You Keep Printing After a Replace Drum Warning?\">Can You Keep Printing After a Replace Drum Warning?<\/a><\/li>\n<li><a href=\"#How to Replace a Printer Drum\">How to Replace a Printer Drum<\/a><\/li>\n<li><a href=\"#How to Reset the Drum Counter\">How to Reset the Drum Counter<\/a><\/li>\n<li><a href=\"#Drum Unit, Imaging Unit and Developer Unit: Are They the Same?\">Drum Unit, Imaging Unit and Developer Unit: Are They the Same?<\/a><\/li>\n<li><a href=\"#Buying Replacement Drums\">Buying Replacement Drums<\/a><\/li>\n<li><a href=\"#Printer Drum FAQs\">Printer Drum FAQs<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><a name=\"What is a Printer Drum?\">What is a Printer Drum?<\/a><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Drum units are electrically charged rollers on which the toner powder adheres to. Heat is then used to transfer the toner powder onto the page. Different brands may use different terms to refer to this component.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For more information about <a href=\"https:\/\/www.cartridgepeople.com\/info\/blog\/how-does-laser-printer-work\">how laser printers work<\/a>, check out our helpful guide.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Printer Drum vs Toner Cartridge: What\u2019s the Difference?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It\u2019s important to differentiate between a printer drum and a toner cartridge. The toner is the powder used to print and the drum\/imaging unit then transfers the toner to the paper. While some printers combine the two parts, others keep them separate.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"535\" src=\"https:\/\/infowp.cartridgepeople.com\/wp-content\/uploads\/2026\/06\/laser-printer.jpg\" alt=\"Person using a touchscreen on a laser printer.\" class=\"wp-image-20174\" title=\"Laser Printer\" srcset=\"https:\/\/www.cartridgepeople.com\/info\/wp-content\/uploads\/2026\/06\/laser-printer.jpg 1024w, https:\/\/www.cartridgepeople.com\/info\/wp-content\/uploads\/2026\/06\/laser-printer-300x157.jpg 300w, https:\/\/www.cartridgepeople.com\/info\/wp-content\/uploads\/2026\/06\/laser-printer-768x401.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a name=\"What Does \u2018Replace Drum\u2019 Mean?\">What Does \u2018Replace Drum\u2019 Mean?<\/a><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When your printer tells you to replace the drum, this typically means that either the drum counter or the actual drum life has reached its limit. This warning can be based on page count or drum condition. A word of warning, however, you should only reset the drum counter after installing a new drum unit.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"535\" src=\"https:\/\/infowp.cartridgepeople.com\/wp-content\/uploads\/2026\/06\/replace-drum-message.jpg\" alt=\"A printer screen displaying the words: 'Replace Drum!'\" class=\"wp-image-20183\" title=\"Replace Drum Message\" srcset=\"https:\/\/www.cartridgepeople.com\/info\/wp-content\/uploads\/2026\/06\/replace-drum-message.jpg 1024w, https:\/\/www.cartridgepeople.com\/info\/wp-content\/uploads\/2026\/06\/replace-drum-message-300x157.jpg 300w, https:\/\/www.cartridgepeople.com\/info\/wp-content\/uploads\/2026\/06\/replace-drum-message-768x401.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a name=\"Signs Your Printer Drum Needs Replacing\">Signs Your Printer Drum Needs Replacing<\/a><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Here are some telltale signs you need to replace the printer drum:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Printer Message:<\/strong> You may see something like \u2018Replace Drum\u2019 or \u2018Drum end soon\u2019.<\/li>\n\n\n\n<li><strong>Print Issues:<\/strong> Issues with print quality such as repeated smudges, vertical streaks or lines, spots, a grey background, faded or patchy areas can be indicative of a need for a new drum unit. If the defects repeat in the same place, such as regular marks down the page, this likely points to an issue with the drum and not the toner.<\/li>\n\n\n\n<li><strong>Changing the Toner Doesn\u2019t Fix the Problem:<\/strong> You still get poor-quality prints after replacing your toner.<\/li>\n\n\n\n<li><strong>You\u2019re Near or Past the Drum\u2019s Rated Page Yield:<\/strong> Printer drums are rated for a certain number of pages. Once you\u2019re near to or past that number, (especially if you notice a decline in print quality), it might be time to replace the printer drum unit.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"535\" src=\"https:\/\/infowp.cartridgepeople.com\/wp-content\/uploads\/2026\/06\/printing-issues.jpg\" alt=\"A printed page that has smeared.\" class=\"wp-image-20182\" title=\"Printing Issues\" srcset=\"https:\/\/www.cartridgepeople.com\/info\/wp-content\/uploads\/2026\/06\/printing-issues.jpg 1024w, https:\/\/www.cartridgepeople.com\/info\/wp-content\/uploads\/2026\/06\/printing-issues-300x157.jpg 300w, https:\/\/www.cartridgepeople.com\/info\/wp-content\/uploads\/2026\/06\/printing-issues-768x401.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a name=\"How Long Does a Printer Drum Last?\">How Long Does a Printer Drum Last?<\/a><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The majority of laser printer drums last for tens of thousands of pages (usually somewhere between 10,000 \u2013 50,000 pages). This is only an estimate, however, the exact yield will depend on the printer model, drum type, print coverage, paper quality and manufacturer rating.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here\u2019s a useful estimate:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Small Home\/Office Laser Printers:<\/strong> 10,000 \u2013 20,000 pages<\/li>\n\n\n\n<li><strong>Business\/Workgroup Printers:<\/strong> 20,000 \u2013 50,000 pages<\/li>\n\n\n\n<li><strong>High-Volume Office Printers\/Copiers:<\/strong> 50,000+ pages<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Check your printer manual or the replacement drum part number for an official rated yield.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a name=\"Should You Clean or Replace the Printer Drum?\">Should You Clean or Replace the Printer Drum?<\/a><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Clean the printer drum if there\u2019s loose toner, dust or minor marks. Replace it if the defects repeat, the surface is scratched or if print quality doesn\u2019t improve. Make sure you don\u2019t touch the drum surface, however.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">A Note on Corona Wires<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"535\" src=\"https:\/\/infowp.cartridgepeople.com\/wp-content\/uploads\/2026\/06\/corona-wire.jpg\" alt=\"Corona Wire\" class=\"wp-image-20176\" title=\"Corona Wire\" srcset=\"https:\/\/www.cartridgepeople.com\/info\/wp-content\/uploads\/2026\/06\/corona-wire.jpg 1024w, https:\/\/www.cartridgepeople.com\/info\/wp-content\/uploads\/2026\/06\/corona-wire-300x157.jpg 300w, https:\/\/www.cartridgepeople.com\/info\/wp-content\/uploads\/2026\/06\/corona-wire-768x401.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Should your printer ask you to clean the corona wire or slide the green tab on your drum unit, watch the below video for details on how to do this:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"How to clean the Brother printer corona wire\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/JnEbsC8CV0g?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Doing so is especially useful if you see white lines on your printout or your printer is producing blank pages. It can also get rid of other print quality issues.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a name=\"Can You Keep Printing After a Replace Drum Warning?\">Can You Keep Printing After a Replace Drum Warning?<\/a><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Typically you can continue to print for a short time after getting a warning to replace the printer drum. Your print quality might decline however and some printers will eventually stop printing until the printer drum is reset or replaced. Not changing the drum can damage the printer, so it isn\u2019t recommended to leave it too long.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a name=\"How to Replace a Printer Drum\">How to Replace a Printer Drum<\/a><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Turn off the printer: <\/strong>Unplug and leave to cool before opening.<\/li>\n\n\n\n<li><strong>Open the printer cover:<\/strong> Use the front\/top access panel (where this is depends on your printer model).<\/li>\n\n\n\n<li><strong>Remove the toner cartridge:<\/strong> You\u2019ll likely be able to find this inside or on top of the drum unit.<\/li>\n\n\n\n<li><strong>Remove the old drum unit:<\/strong> Use the handle or release tabs.<\/li>\n\n\n\n<li><strong>Separate toner from drum unit (if necessary): <\/strong>Some printers use separate toner and drum parts, if this is the case move the toner cartridge into the new drum unit.<\/li>\n\n\n\n<li><strong>Unpack the new drum:<\/strong> While avoiding touching the shiny drum roller, remove all protective covers or seals.<\/li>\n\n\n\n<li><strong>Install the new drum unit:<\/strong> Slide firmly into place until it clicks or locks in.<\/li>\n\n\n\n<li><strong>Reinstall the toner cartridge:<\/strong> Ensure it is seated properly.<\/li>\n\n\n\n<li><strong>Close printer cover: <\/strong>Power the printer back on.<\/li>\n\n\n\n<li><strong>Reset the drum counter: <\/strong>Use printer menu or button sequence from the manual so the printer tracks the new drum properly.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.cartridgepeople.com\/info\/blog\/printer-testing-print-test-page\">Print a test page<\/a>: <\/strong>Ensure streaks, spots and\/or drum warnings are gone.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><a name=\"How to Reset the Drum Counter\">How to Reset the Drum Counter<\/a><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"535\" src=\"https:\/\/infowp.cartridgepeople.com\/wp-content\/uploads\/2026\/06\/drum-counter.jpg\" alt=\"A printer screen displaying the words 'DRUM COUNTER'.\" class=\"wp-image-20178\" title=\"Drum Counter\" srcset=\"https:\/\/www.cartridgepeople.com\/info\/wp-content\/uploads\/2026\/06\/drum-counter.jpg 1024w, https:\/\/www.cartridgepeople.com\/info\/wp-content\/uploads\/2026\/06\/drum-counter-300x157.jpg 300w, https:\/\/www.cartridgepeople.com\/info\/wp-content\/uploads\/2026\/06\/drum-counter-768x401.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You should only reset the drum counter <strong>after<\/strong> you\u2019ve installed a new drum unit.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Open the printer menu\/settings.<\/li>\n\n\n\n<li>Look for options like Drum, Supplies, Reset Menu or Machine Info.<\/li>\n\n\n\n<li>Choose Drum Reset or Reset Drum Counter.<\/li>\n\n\n\n<li>Confirm the reset.<\/li>\n\n\n\n<li>Print a test page to ensure the warning has gone away.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">For exact instructions, consult your printer manual as steps may vary across printer brands and models.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why Does the Drum Counter Reset Matter?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Resetting the drum unit tells the printer that a new drum unit has been installed. This should get rid of any \u2018replace drum\u2019 or \u2018drum end soon\u2019 warnings. Doing so also helps the printer to track the new drum\u2019s usage properly. This should also prevent premature or inaccurate replacement alerts. Be careful though, as resetting the drum counter without actually replacing the drum can hide wear and result in poor-quality prints.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a name=\"Drum Unit, Imaging Unit and Developer Unit: Are They the Same?\">Drum Unit, Imaging Unit and Developer Unit: Are They the Same?<\/a><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Drum Unit: <\/strong>Transfers toner from cartridge to paper.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Imaging Unit:<\/strong> Another name for a drum unit. On certain printers however, it can also include additional image-transfer components.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Developer Unit:<\/strong> Assists in moving and applying toner to the drum, allowing the image to be formed accurately prior to printing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It\u2019s important to remember that terminology will vary by printer brand, so in order to find the part you need, you should check your printer manual or part number before you buy a replacement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a name=\"Buying Replacement Drums\">Buying Replacement Drums<\/a><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"535\" src=\"https:\/\/infowp.cartridgepeople.com\/wp-content\/uploads\/2026\/06\/compatible-own-brand-toner.jpg\" alt=\"Cartridge People Compatible Own Brand toner cartridge and packaging.\" class=\"wp-image-20180\" title=\"Cartridge People Compatible Own Brand Toner\" srcset=\"https:\/\/www.cartridgepeople.com\/info\/wp-content\/uploads\/2026\/06\/compatible-own-brand-toner.jpg 1024w, https:\/\/www.cartridgepeople.com\/info\/wp-content\/uploads\/2026\/06\/compatible-own-brand-toner-300x157.jpg 300w, https:\/\/www.cartridgepeople.com\/info\/wp-content\/uploads\/2026\/06\/compatible-own-brand-toner-768x401.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If your printer accepts separate drum units, it\u2019s worth buying your printer drums at the same time as buying your toner cartridges in order to be prepared. Here at Cartridge People, we stock an extensive range of affordable <a href=\"https:\/\/www.cartridgepeople.com\/info\/drum-units\">printer drum units<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a name=\"Printer Drum FAQs\">Printer Drum FAQs<\/a><\/h2>\n\n\n\n<div class=\"wp-block-custom-faq\"><div class=\"faq-item\"><div class=\"faq-question\">What is a printer drum?<\/div><div class=\"faq-answer\">A printer drum (also known as a drum unit) is a laser printer component. It\u2019s an electrically charged roller onto which toner powder adheres. Drum units can either be part of the toner cartridge or separate to it.<\/div><\/div><div class=\"faq-item\"><div class=\"faq-question\">How do I know if my printer drum is bad?<\/div><div class=\"faq-answer\">You may need a new printer drum if you\u2019re encountering issues with print quality. These could include repeated smudges, vertical streaks or lines, spots, grey backgrounds, faded or patchy areas. Defects that repeat in the same place, including regular marks down the page, likely point to an issue with the drum, not the toner.<\/div><\/div><div class=\"faq-item\"><div class=\"faq-question\">Is a drum the same as toner?<\/div><div class=\"faq-answer\">No, a toner cartridge is a printer consumable used in laser printers which contains powder that gets printed onto a page via heat. A drum unit is an electrically charged roller that the toner powder adheres to.<\/div><\/div><div class=\"faq-item\"><div class=\"faq-question\">Is an imaging unit the same as a drum?<\/div><div class=\"faq-answer\">Drum units are often called imaging units but exact parts can vary by printer brand and model.<\/div><\/div><div class=\"faq-item\"><div class=\"faq-question\">Can I reset the drum without replacing it?<\/div><div class=\"faq-answer\">While you can reset the drum without replacing it, doing so can hide wear and lead to poor-quality prints.<\/div><\/div><div class=\"faq-item\"><div class=\"faq-question\">How often should a printer drum be replaced?<\/div><div class=\"faq-answer\">Most drum units usually last for somewhere between 10,000 \u2013 50,000 pages. This is only an approximation and the exact yield will depend on the printer model, paper quality, print coverage, drum type and manufacturer rating. We recommend changing the drum unit after using 3 \u2013 4 toner cartridges.<\/div><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">To Sum Up<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">You should replace the imaging unit when warnings appear, the page yield has been reached or print defects persist after replacing toner. Don\u2019t forget to check your printer manual for model-specific drum life and reset steps.<\/p>\n<script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is a printer drum?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A printer drum (also known as a drum unit) is a laser printer component. It\\u2019s an electrically charged roller onto which toner powder adheres. Drum units can either be part of the toner cartridge or separate to it.\"}},{\"@type\":\"Question\",\"name\":\"How do I know if my printer drum is bad?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"You may need a new printer drum if you\\u2019re encountering issues with print quality. These could include repeated smudges, vertical streaks or lines, spots, grey backgrounds, faded or patchy areas. Defects that repeat in the same place, including regular marks down the page, likely point to an issue with the drum, not the toner.\"}},{\"@type\":\"Question\",\"name\":\"Is a drum the same as toner?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, a toner cartridge is a printer consumable used in laser printers which contains powder that gets printed onto a page via heat. A drum unit is an electrically charged roller that the toner powder adheres to.\"}},{\"@type\":\"Question\",\"name\":\"Is an imaging unit the same as a drum?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Drum units are often called imaging units but exact parts can vary by printer brand and model.\"}},{\"@type\":\"Question\",\"name\":\"Can I reset the drum without replacing it?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"While you can reset the drum without replacing it, doing so can hide wear and lead to poor-quality prints.\"}},{\"@type\":\"Question\",\"name\":\"How often should a printer drum be replaced?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most drum units usually last for somewhere between 10,000 \\u2013 50,000 pages. This is only an approximation and the exact yield will depend on the printer model, paper quality, print coverage, drum type and manufacturer rating. We recommend changing the drum unit after using 3 \\u2013 4 toner cartridges.\"}}]}<\/script>","protected":false},"excerpt":{"rendered":"<p>Replace your printer drum if you notice a drop in print quality, you get a warning or the drum unit reaches its page yield. Find out how to replace your imaging unit with this simple guide.<\/p>\n","protected":false},"author":3,"featured_media":20173,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[9,10],"class_list":["post-20152","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-featured","tag-handy-guide"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Printer Drum: When to Replace It | Cartridge People<\/title>\n<meta name=\"description\" content=\"Find out when to replace your printer drum with Cartridge People\u2019s guide. 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