Lexmark CX310 / CX317 / CX410 / CX417 / CX510 / CX517: Complete Technical Guide
Lexmark CX310 / CX317 / CX410 / CX417 / CX510 / CX517: Complete Technical Guide
The Lexmark CX310, CX410, and CX510 series -- along with their wireless and OEM-branded variants -- are among the most widely deployed color laser multifunction printers in small-to-medium business environments. Introduced in the early-to-mid 2010s, these machines deliver color laser printing, scanning, copying, and faxing (on upper-tier models) in a compact footprint that fits comfortably on a desk or credenza. You'll find them in law offices, medical practices, school classrooms, and branch offices where color output matters but budget constraints rule out enterprise-class hardware. If you've worked in an office in the last decade, there's a reasonable chance you've pulled a print job from one of these machines.
At Argecy, we've been sourcing, stocking, and supplying parts for Lexmark hardware since this family was brand new. Over the years we've processed thousands of service calls, warranty exchanges, and depot repairs on CX3xx through CX5xx units. What follows is the most complete technical reference we know of for this printer family -- covering model differences, failure patterns, part numbers, error codes, and the practical judgment calls that separate a profitable repair from a money-losing parts chase.
Model Variants and Key Differences
Lexmark organized this family into three performance tiers. Know the tier structure before ordering parts -- some components are tier-specific even when the machines look nearly identical from the outside.
CX310 and CX317
The entry-level tier. The CX310n and CX310dn are wired-only models rated at 22 pages per minute (ppm) in color and black-and-white. The CX317dn adds wireless 802.11 b/g/n connectivity and NFC tap-to-print. Maximum monthly duty cycle is 30,000 pages. The paper path is simple: a single 250-sheet input tray plus a manual feed slot. Duplex printing is standard on the "dn" variants. Memory is 512 MB, non-expandable. These machines use the same toner cartridges as the CX410 family, which is a useful cross-reference when sourcing supplies for a mixed fleet.
CX410 and CX417
The mid-range tier. Speed steps up to 28 ppm color and mono. The CX410e is the base wired model; the CX410de adds duplex; the CX410dte adds a second 250-sheet tray for 550 sheets of total standard input capacity. The CX417de mirrors the CX317 relationship -- same base hardware with wireless added. The CX410 series introduced a small color touchscreen operator panel, replacing the button-and-LCD interface used on the CX310. That sounds minor, but it matters for parts: the operator panel assemblies are not interchangeable between the 310 and 410 tiers. The CX410 also uses a higher-capacity fuser assembly designed for the higher throughput rating.
CX510 and CX517
The top tier of this family. Color output climbs to 32 ppm. Fax is standard on the CX510de and CX510dhe (the "h" suffix denotes a high-capacity paper drawer in the base). Memory is 1 GB. The flatbed scanner on the CX510 series is rated for a faster scan speed and includes automatic document feeder (ADF) capacity of 50 sheets vs. 35 sheets on the lower tiers. The CX517de adds wireless. The CX510 series fuser and imaging unit components are unique to this tier -- don't confuse them with CX410 parts, even though the physical size looks similar on the shelf.
XC2130 and XC2132
These are OEM-branded repackages of the CX310 and CX410 platforms respectively, sold through certain vertical-market channels. Internally they're functionally identical to their CX counterparts. The XC2130 maps to the CX310 platform; the XC2132 maps to the CX410 platform. Firmware versioning can differ slightly from the retail CX models, which occasionally causes confusion when running remote diagnostics. For parts purposes, treat the XC2130 as a CX310 and the XC2132 as a CX410.
| Model | Speed (ppm color) | Wireless | Fax | Max Input Capacity | Fuser Part Family |
|---|---|---|---|---|---|
| CX310n/dn | 22 | No | No | 300 sheets | CX310/317 |
| CX317dn | 22 | Yes | No | 300 sheets | CX310/317 |
| CX410e/de/dte | 28 | No | No | 550 sheets | CX410/417 |
| CX417de | 28 | Yes | No | 550 sheets | CX410/417 |
| CX510de/dhe | 32 | No | Yes | 650 sheets | CX510/517 |
| CX517de | 32 | Yes | Yes | 650 sheets | CX510/517 |
| XC2130 | 22 | Varies | No | 300 sheets | CX310/317 |
| XC2132 | 28 | Varies | No | 550 sheets | CX410/417 |
Common Failure Points in Order of Frequency
1. Fuser Assembly Failure
The fuser is the single most common hard-part failure on this entire family. Every time. Symptoms include persistent wrinkled or unfused output where toner wipes off the page with a finger, 920.xx fuser error codes, grinding or cracking sounds from the rear of the machine, and paper jams originating in the fuser zone. The heating element in these fusers is a ceramic PTC design that degrades predictably with page count. Inspect the fuser pressure roller for glazing, surface cracking, or hot-offset residue. Check the fuser drive gear for stripped teeth -- that happens when someone clears a paper jam with too much force. Fusers on this family are rated at approximately 100,000 pages under normal conditions.
2. Imaging Unit / Photoconductor Drum Wear
Lexmark bundles all four color drums into a single imaging unit assembly on most configurations of this family. Worn or contaminated imaging units produce horizontal banding, faded colors, ghosting (repeat images trailing across the page), and white vertical streaks. A common misdiagnosis is replacing individual toner cartridges when the imaging unit is the actual culprit. Before condemning toner, run a print quality test page and look for consistent repeat defects at 94 mm intervals -- that's the circumference of the drum. Also inspect the drum charge rollers for toner contamination.
3. Pickup and Feed Roller Wear
Feed roller wear is the second most common call-driver we see for this family. Symptoms include persistent multi-feed errors, "Load tray 1" prompts when paper is present, 200.xx paper jam codes, and skewed or wrinkled sheets entering the paper path. The separation pad and pickup roller wear at similar rates -- replace them together, always. On high-mileage machines, the feed roller shaft bushings also wear, causing the roller to wobble and grip paper inconsistently.
4. Operator Panel and Touchscreen Failure (CX410/CX417/CX510/CX517)
The color touchscreen panels on the CX410 and CX510 tiers develop failure modes that the CX310 button-interface avoids entirely. Common symptoms are an unresponsive touch layer (taps register incorrectly or not at all), flickering or dim backlight, and a completely dark panel with the machine otherwise operational. The touchscreen digitizer and the LCD backlight are separate failure modes within the same panel assembly. On units over three years old, check the panel ribbon cable connector on the controller board -- these connectors develop micro-fractures from thermal cycling. We see it regularly.
5. ADF (Automatic Document Feeder) Malfunctions
The ADF ages independently of the print engine. Worn ADF pickup rollers cause multi-feeds and skewed originals. Broken ADF hinge pins cause the entire ADF cover to list to one side and fail to close properly, generating "scanner lid open" errors even when the lid appears shut. On the CX510 series, the ADF is a heavier-duty 50-sheet unit and its feed module sees proportionally higher wear if the machine is used primarily as a copier.
6. Color Registration and Calibration Errors
Misregistration between color planes -- visible as color fringing around text or objects -- can indicate a failing developer unit, a worn transfer belt, or a calibration routine that's been skipped. The transfer belt assembly on this family accumulates toner contamination on the belt cleaner blade over time. Inspect the second transfer roller for uneven wear patterns, which cause inconsistent color density across the page width.
Key Part Numbers for Frequently Replaced Components
| Component | Applicable Models | Lexmark Part Number |
|---|---|---|
| Fuser Assembly (110V) | CX310, CX317, XC2130 | 40X8016 |
| Fuser Assembly (110V) | CX410, CX417, XC2132 | 40X8019 |
| Fuser Assembly (110V) | CX510, CX517 | 40X8022 |
| Imaging Unit (Color) | CX310, CX317, CX410, CX417, XC2130, XC2132 | 71B0ZK0 |
| Imaging Unit (Color) | CX510, CX517 | 71B0ZK0 (confirm via serial) |
| Imaging Unit (Black) | CX310, CX317, CX410, CX417 | 71B0ZK0 (combined unit) |
| Transfer Belt Assembly | CX310, CX317, XC2130 | 40X7744 |
| Transfer Belt Assembly | CX410, CX417, CX510, CX517 | 40X7744 (verify tier) |
| Tray 1 Pickup Roller Kit | CX310 through CX517 | 40X9108 |
| Separation Pad, Tray 1 | CX310 through CX517 | 40X6401 |
| ADF Feed Roller Kit | CX410, CX417, CX510, CX517 | 40X7593 |
| Operator Panel Assembly | CX410, CX417 | 41X0441 |
| Operator Panel Assembly | CX510, CX517 | 41X0442 |
| Main Fan Assembly | CX310 through CX517 | 40X7806 |
| Controller Board | CX410, CX417 | 41X0146 |
| Power Supply (110V) | CX310, CX317 | 40X8015 |
Always verify part numbers against your machine's serial number and firmware level before ordering. Lexmark issued mid-production hardware revisions on this family that changed fuser and toner cartridge compatibility. When in doubt, contact Argecy with your serial number for a confirmed match.
Maintenance Kit -- Contents and Recommended Interval
Lexmark doesn't market a single boxed "maintenance kit" for the CX3xx-CX5xx family the way some competing manufacturers do, but a practical preventive maintenance kit for this family should include the following components assembled from individual part numbers:
- Fuser assembly (tier-specific -- see part numbers above)
- Transfer belt assembly
- Pickup roller sets for Tray 1 and Tray 2 (40X9108)
- Tray 1 separation pad (40X6401)
- ADF feed roller kit (on CX410 and above)
- Main cooling fan (elective based on machine age and environment)
Recommended interval for the fuser and transfer belt is 100,000 pages or approximately every two to three years in a 50-page-per-day office environment. Feed roller kits should be serviced at 60,000 pages or at the first sign of multi-feed behavior, whichever comes first. ADF components on machines used heavily as copiers should be inspected at 30,000 scans -- well ahead of the print-engine components.
When performing a fuser replacement, clean the second transfer roller with a dry lint-free cloth, clear any toner debris from the paper path guides, and run a color calibration sequence from the operator panel before returning the machine to service. These steps take less than ten minutes and prevent at least half of the post-maintenance quality complaints we hear about from the field. Don't skip them.
Error Code Reference Table
| Error Code | Description | First-Response Steps |
|---|---|---|
| 900.xx | Firmware / software error, controller fault | Power cycle; reflash firmware via USB; if persistent, inspect controller board for capacitor damage |
| 920.xx | Fuser error (temperature out of range) | Power cycle; check fuser seating; measure thermistor resistance; replace fuser if thermistor reads open |
| 924.xx | Fuser under-temperature | Check power supply voltage; replace fuser; if code returns, test LVPS output rails |
| 940.xx | Color cartridge or imaging unit problem | Remove and reseat toner cartridges; clean cartridge contacts; replace imaging unit if defect persists |
| 950.xx | RAM or ROM failure on controller board | Reseat memory if applicable; reflash firmware; replace controller board |
| 200.xx | Paper jam -- feed area | Clear jam; inspect pickup roller and separation pad for wear; check tray seating |
| 202.xx | Paper jam -- fuser exit area | Clear jam from rear door; inspect fuser exit rollers; examine fuser for damage |
| 840.xx | Scanner / ADF hardware fault | Power cycle; check ADF hinge and cover seating; inspect ADF ribbon cable; replace ADF feed module |
| 31.xx | Missing or defective cartridge | Remove and reinstall all four cartridges; clean contacts with dry cloth; verify OEM or compatible cartridge compatibility |
| 32.xx | Cartridge part number unsupported | Verify cartridge is correct for the machine's firmware region; update firmware if region lock is suspected |
| 84.xx | Imaging unit low or end of life | Check page count against rated yield; replace imaging unit; reset page counter via service menu |
OEM vs. Aftermarket Guidance
The CX310 through CX517 family is one of the most heavily cloned color laser platforms on the aftermarket toner market. Here's the honest picture based on thousands of repairs.
For toner cartridges, quality among third-party suppliers varies enormously. Low-grade aftermarket toner on this family causes early imaging unit wear because the toner particle size and charge characteristics differ from Lexmark's formulation. We've seen imaging units fail at 40,000 pages when paired with budget aftermarket toner that's nominally rated to the same yield. If you're running aftermarket toner, plan to inspect the imaging unit drums at the 60,000-page mark rather than waiting for the rated 100,000-page interval. Reputable compatible cartridge manufacturers -- those using virgin-build shells and certified toner formulations -- perform meaningfully better than the cheapest commodity options.
For the fuser assembly, use OEM or OEM-equivalent parts. Full stop. The fuser on this family is a precision thermal assembly and the consequences of premature fuser failure -- jammed and fused sheets, damaged pressure roller, contaminated transfer belt -- make the cost difference between OEM and budget aftermarket fusers look trivial. We stock both OEM surplus and high-quality compatible fusers and can advise on the best option for your specific workload.
Pickup rollers and separation pads in compatible form are generally acceptable quality from established suppliers. These are commodity rubber components with straightforward specifications. Verify Shore hardness ratings when sourcing -- rollers that are too hard will multi-feed; rollers that are too soft will wear rapidly and leave debris in the paper path.
Controller boards, power supplies, and operator panel assemblies should be sourced as OEM or OEM-refurbished whenever possible. The risk profile of a failed second-tier controller board is simply too high relative to the cost difference.
Repair vs. Replace Decision Framework
After forty years of servicing printers, the repair-or-replace question comes down to a small number of variables you can evaluate in about five minutes at the machine.
First, pull the page count from the service menu (on most CX models: Settings - Reports - Device Statistics). A machine under 100,000 total pages with a single component failure is almost always worth repairing. Over 300,000 pages with multiple concurrent failures? Walk away. The remaining serviceable life won't justify the parts investment.
Second, identify the nature of the failure. A fuser, imaging unit, or feed roller failure in isolation on a machine with reasonable page count is a straightforward repair with predictable parts cost. A controller board failure or a main drive motor failure combined with a fuser error on a high-mileage machine tells you the machine is entering systemic decline -- you'll be chasing failures, not resolving them.
Third, consider parts availability. This family is reaching the point in its lifecycle where OEM new stock is thinning. Argecy maintains active inventory, but lead times for certain tier-specific components are lengthening. If a repair requires a part with a long sourcing window and the customer can't be without the machine, replacement may be the pragmatic choice even on a low-mileage unit.
As a general rule: if the repair cost exceeds 50 percent of the current replacement cost of the machine, the repair needs a strong justification -- typically an exceptionally low page count, a machine in an environment where swap-out logistics are difficult, or a situation where color printer replacement introduces supply chain complexity (new drivers, new toner SKUs, retraining).
Frequently Asked Questions
Why does my CX410 show a 31.xx cartridge error after installing new toner?
The most common cause is a firmware region mismatch. Lexmark region-locks toner cartridges by firmware version on this family, and aftermarket cartridges with improperly programmed chips will trigger a 31.xx or 32.xx error. Verify the cartridge chip matches the machine's firmware region. A secondary cause is a dirty or bent toner cartridge contact in the cartridge bay -- clean the contacts with a dry lint-free cloth and reseat the cartridge firmly. If the error is specific to one color station, inspect the contact spring in that bay for deformation.
The imaging unit on my CX510 was just replaced but I am still getting streaks. What was missed?
Calibration. After replacing the imaging unit, the machine requires a color calibration cycle to set correct density and registration parameters for the new drums. If calibration wasn't run, or if the machine's auto-calibration was interrupted, streaking and banding will persist even with a fresh imaging unit. Run a full color calibration from Settings - Print Quality - Color Calibration. Also verify that the second transfer roller is clean -- a contaminated transfer roller produces streaks that look exactly like imaging unit defects.
Is there any meaningful difference between the CX317 and CX317de for parts purposes?
The CX317de adds duplex hardware -- a reversing paper path assembly and an additional set of duplex rollers -- that the base CX317 doesn't have. The fuser, imaging unit, toner cartridges, feed rollers, and operator panel are identical between the two. If you're sourcing duplex-path rollers or the duplex guide assembly, make sure the part specifically lists the "de" suffix variant. All other service components are interchangeable.
My CX510 produces excellent black text but color registration is off. Do I need a new imaging unit?
Probably not. Color misregistration with good black output is usually a calibration issue rather than a hardware failure. Run a color registration adjustment from the service menu (Settings - Print Quality - Color Adjust). If the problem persists after calibration, inspect the color developer units and the transfer belt for uneven wear. A worn transfer belt cleaner blade can allow residual toner to contaminate the belt, producing color plane offsets that look like hardware misalignment. Replacing the imaging unit should be the last step in this diagnostic path, not the first.
How do I reset the maintenance counters after a fuser replacement on the CX410?
Access the service menu by pressing the home button, then navigating to Settings - Device - Maintenance. On some firmware versions the path is Settings - General Settings - Factory Defaults is not the correct route -- you specifically want the Maintenance section, not a factory reset. Locate the "Fuser" counter entry and reset it to zero. Failure to reset the counter will cause premature "fuser life low" warnings and can prevent the machine from accurately tracking the new component's life. If the service menu isn't accessible from the operator panel, a firmware-level counter reset tool is available through the Lexmark service utility, which Argecy can advise on.
Closing
These machines have held up well over the years. The failure patterns are well understood, the parts are largely available, and the CX310 through CX517 family is worth keeping in service through its full useful life when you're using quality components and a sound technical approach. Whether you need a single fuser for a CX410 that went down this morning or a thorough parts inventory for a fleet of CX517 units, Argecy has the stock, the experience, and the specific knowledge of this family to get you what you need. Browse our full Lexmark parts inventory at https://www.argecy.com/lexmark-parts, or reach out to our technical team directly at https://www.argecy.com/contact-information -- we've been doing this since 1985 and we're ready to help.