Ashish Imports

• Professional copier chip
• BK: 18K
• Unique sequence number
• Olivetti 16w/20w

Here’s what the Epson C9345 Ink Maintenance Box (also known as part C12C934591) looks like: a compact, rectangular, dark-gray plastic tank—roughly 7 in × 2.6 in × 2.1 in—designed to catch and hold waste ink generated during printhead cleaning. hp epson
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Description & Function
The C9345 Maintenance Box is a user-replaceable tank that stores the ink flushed from your printer during printhead cleaning cycles.
Your printer and its software will notify you when the maintenance box is nearing capacity or needs to be replaced.
Specs & Compatibility
Part Number: C9345 (same as C12C934591)
Dimensions: Approximately 7 in long, 2.6 in wide, and 2.1 in high.
Weight: Around 0.3 lb.
Origin: Made in Indonesia (ID).
Compatible Printers
Designed for use with several models across Epson’s EcoTank and WorkForce lines, including:
EcoTank Photo: ET‑8500, ET‑8550
EcoTank Pro: ET‑16600
WorkForce: EC‑C7000, ST‑C8000, ST‑C8090, WF‑7310, WF‑7820, WF‑7840
Also compatible with WorkForce Pro WF‑M4119, WF‑M4619, ST‑C5000/Supertank C5500, etc.

1. High Page Yield Support

   • The TN3608XXL cartridge (with this chip) supports a very high page yield — 11,000 pages (at ~5% coverage). 

   • The chip is programmed/matched to this large capacity, so that the printer correctly tracks usage across that long lifespan.

2. Toner Level Tracking

   • The chip enables the printer to monitor toner consumption and display accurate “toner low” / “replace cartridge” alerts.

   • By counting pages (or toner usage), it ensures you don’t run out unexpectedly.

3. Printer Compatibility / Recognition

   • Compatible with a number of Brother mono / black-laser printers / MFPs: HL-L5210DN / L5210DW / L6210DW / L6415DW, DCP-L5510DN / L5510DW, MFC-L5710DW / L5710DN / L5715DW / L5915DW / L6915DW, etc. 

   • Ensures the cartridge is correctly recognized as the XX L (high-yield) variant by the printer.

4. Chip Variants for Different Yields

   • There are different chip-variants in the same TN3608 series:

     • TN3608 (standard) → ~3,000 pages 

     • TN3608XL → ~6,000 pages 

     • TN3608XXL → ~11,000 pages

   • The “XXL” chip is specifically matched to the 11K-page cartridge — if you mismatch, you may get wrong toner-level reporting or errors.

5. Compatibility with Reset / Refill

   • Compatible third-party / compatible-toner cartridges for Brother TN3608XXL often come with this chip built-in. 

   • For refilling, you may need a fresh chip once the old one reports “empty” — depending on the design of the chip and chip reset capabilities.

6. Quality / Third-Party Chip Options

   • There are compatible / replacement chips available from third-party manufacturers. For example, Chipjet lists a CJCB-TN3608XXL chip design. 

   • GC Original also sells a compatible chip for the 3608 / 3608XL series. 

   • These chips are designed to be reliable, and to mimic OEM chip behavior for page count & toner-level.

7. Region / Variant-Specific

   • The “AP” (Asia-Pacific) designation is used in some specs for TN3608 / TN3608XXL.

   • Make sure you pick a chip / cartridge that matches your printer’s regional variant if that's applicable.

HP 49A/53A Universal Chip offeredfinds use inHP 49/53/10/11/42A/38/39 cartridge and provides for lasting service usage. These toner chips are designed to provide extended life to the cartridge and provide for full printing capacity. Further, these universal toner chips are useable once and provide for superior working support with different print cartridge of HP make. Further, the high performance life of these toner chips also make these deliver exceptional usage value.

• Production Capacity: 10000
• Delivery Time: Same Day
• Packaging Details: 1- pcs single packing

1. Toner-Level Monitoring / Reset

   • The chip tracks toner usage and communicates with the printer to indicate how much toner is left. 

   • After refilling the cartridge, a replacement or reset chip allows the printer to see the cartridge as “full” again. According to GC Original’s description, their chip “resets toner level after refilling.” 

2. Compatibility

   • Designed specifically for Canon CRG-072 cartridges.

   • Compatible with a number of Canon printers, including: imageCLASS MF284dw / MF284, MF287dw / MF287, MF280, MF289dw / MF289, LBP172dw / LBP172. 

   • Works with both standard-yield and high-yield CRG-072 cartridges (depending on the exact chip version). For example, GC Original makes a “high-yield reset chip” for CRG-072. 

3. Page-Yield Calibration

   • The chip is designed to reflect OEM-equivalent page yield, so when replaced correctly, the printer’s page counting (or warnings) align with expected cartridge capacity. 

   • In cartridge-with-chip product, the CRG-072 cartridge is rated for ~3,000 pages (for their high-yield version) with the chip. 

4. Physical / Electrical Interface

   • The chip is mounted on a small PCB that plugs into the cartridge in the appropriate chip socket. 

   • It is a “plug-and-play” component: you don’t typically need special tools or software to install it — just remove the old chip and place in the new one. 

   • Durable enough for repeated use (in terms of maintaining proper electrical contact) — based on third-party chip listings. 

5. Error Prevention

   • By accurately reporting toner levels, the chip helps to prevent “toner low” or “toner empty” errors (or at least reduces false warnings) when using refilled or remanufactured cartridges. 

   • Maintains consistency so print quality remains stable over the life of the cartridge. GC Original specifically mentions “consistent page yield performance.” 

6. Cost Efficiency

   • Using a third-party / replacement chip (instead of using the OEM-only cartridge) makes refilling more viable and cost-effective. The chip cost is relatively low compared to buying a full OEM cartridge. 

   • Helps extend the useful life of the toner cartridge by enabling refilling + reuse of the physical toner unit.

1. Part-Number Identification & Page-Yield Info

   • The chip stores the cartridge part-number (CRG-337), so the printer recognizes which cartridge is installed. 

   • According to a reference table, the CRG-337 chip is matched to a 2.4K (≈ 2400 pages) yield variant. 

2. Toner Level Tracking / Page Counting

   • As you print, the printer tracks page count, coverage, and “toner used” and writes this data to the chip. The chip then reports back this data when queried by the printer. 

   • Over time, this lets the printer estimate how much toner remains (or whether the cartridge is “empty” / needs replacement).

3. Region / Variant Compatibility

   • The chip is used in Canon i-SENSYS / imageCLASS / MF-series printers. For example, the reference table lists CRG-337 for Canon i-SENSYS MF211 / MF212W / MF217W, etc. 

   • The “WW” (world-wide) designation is used in some chip-reference tables, indicating a global / standard variant. 

4. Irreversible “Empty” State

   • Once the chip is marked “empty” by the printer, many of these chips cannot be reset to a “full” state. 

   • This is typical: to reuse (refill) a CRG-337 cartridge, you may need to replace the chip rather than reuse the existing one.

5. Quality / Reliability

   • The chip design / logic is such that a mismatch of “start yield” (i.e., if the chip’s programmed yield doesn’t match the actual toner load) can lead to printer errors. 

   • Good-quality compatible / reset chips are available in the market, which helps for refilling business or cost-effective usage.

6. Secure Communication

   • The chip responds to the printer’s “master” instructions with correct encrypted data such as: part-number, region, whether cartridge is new/used, and page-count / coverage. 

   • This handshake ensures the printer trusts the cartridge and avoids “invalid cartridge” or “non-genuine” errors (if the chip is correct).

1. Toner Level Monitoring

   • The chip tracks how much toner remains in the cartridge. This enables the printer to accurately display toner levels (“% left”) so users know when the cartridge is nearing empty. 

2. Page Count Tracking

   • It logs how many pages have been printed with that cartridge. Over time, this helps the printer (or service software) know the “used life” of that cartridge. 

3. Cartridge Capacity (Yield) Information

   • The chip is programmed with the cartridge’s rated capacity. For T06 / T06L, typical page yield is very high — up to ~20,000+ pages according to third-party spec sheets. 

4. Compatibility & Recognition

   • The chip ensures the printer correctly recognizes the cartridge as T06 / T06L type. Many compatible / remanufactured T06L cartridges come with this chip built-in so they “just work” when installed. 

5. Use With High-Yield Variant

   • The “L” in T06L typically stands for high-yield, and chips used in T06L cartridges are matched to that higher capacity so that the toner-remaining and page-count logic remains accurate. 

6. Reset / Replace for Refills

   • If a T06 / T06L cartridge is refilled, the chip is a critical component — once the chip reports the cartridge as “empty” or fully used, you may need to replace the chip (or use a compatible chip) to reset the toner level page-count status. (This is a general behavior of toner-chips.)

7. Reliability

   • The chips used in good-quality compatible / remanufactured T06L cartridges are typically tested to work reliably. For instance, Ennovor’s T06L replacement cartridge includes a “standard chip” for accurate recognition. 

8. Printer Models Supported

   • The T06 / T06L cartridge + chip is used in several Canon printers / MFPs, especially the Canon imageRUNNER 1643 series (1643i, 1643iF, 1643P) and some imageCLASS / i-SENSYS lines

1. High-Yield Page Tracking

   • The TL-5120X toner cartridge is a high-yield version: its spec sheet shows a yield of 15,000 pages (5% coverage) for TL-5120X.  

   • The chip must support this high yield: i.e., it should be programmed for 15,000-page capacity so that the printer can track toner usage correctly.

2. Accurate Toner Level Monitoring

   • The chip likely keeps track of how much toner has been used / how many pages have been printed, so that the printer can warn “toner low” or “replace cartridge” at the right times. This is a common function of such chips.

   • Since the cartridge is high-yield, the chip has to manage a longer “life” before signalling empty.

3. Printer Compatibility / Recognition

   • The TL-5120X chip ensures the cartridge is recognized correctly by compatible Pantum printers (e.g., BP5100DN, BM5100 series). According to Orink, their compatible TL-5120X cartridges are made for BP5100DN / BM5100ADN / FDW etc.

   • Without a correct chip, the printer may refuse to use the cartridge or may display “incorrect cartridge”.

4. Reliability & Quality Control

   • Compatible cartridge suppliers (e.g., Orink) mention ISO certification (ISO9001, ISO14001) for their TL-5120X compatible toner units. 

   • This suggests that the chips used in these third-party cartridges meet certain quality / reliability standards.

5. Waste / Environmental Considerations

   • The original Pantum TL-5120X cartridge spec (from Adorama) mentions “low waste powder” and a “separate drum unit” design. 

   • The chip helps make high-yield toner practical and reduces frequency of cartridge replacement, which indirectly lowers waste.

6. Long-Term Usage / Cartridge Life

   • Given the high page yield, the chip is likely designed for longevity (in terms of page counting) so it doesn’t prematurely report “empty”.

   • The printer spec sheet confirms that TL-5120X is one of the supported toner cartridges with 15,000-page capacity

1. High Page Yield

   • The W9005MC cartridge (with its chip) supports a yield of ~48,000 pages (at 5% coverage). 

   • This is designed for high-volume printing, especially in managed / flow office environments.

2. Printer Compatibility

   • Compatible with HP LaserJet Managed Flow / Managed MFPs: specifically models like E72525z, E72525dn, E72530dn, E72530z, E72535dn, and E72535z. 

   • The chip model often mentioned is NC-W9005MC-WW (WW likely means the world-wide / standard region version).

3. Chip Functionality

   • The chip stores critical cartridge metadata: part number (W9005MC), page yield, region, and whether the cartridge is new or used. 

   • It keeps track of printed pages, page coverage, and toner remaining. These are written by the printer as the cartridge is used, and the chip sends this info back when queried. 

   • This helps the printer accurately display toner-level status / warnings (e.g., “low toner”) based on real usage. 

4. Chip Matching Yield

   • The chip’s “start yield” value is preprogrammed to match the actual toner capacity (“48K” in this case). If the cartridge’s actual toner load and the chip’s yield value don’t match, it may lead to errors. 

   • This ensures reliable operation and prevents mismatched refill or third-party issues.

5. Non-Resettable Toner-Out State

   • Once the chip reports a “toner out” or “toner low” condition (as written by the printer), it’s irreversible for that chip. 

   • To reuse the cartridge (after refill), you typically need to replace the chip, not just reset it.

6. Quality / Reliability

   • According to some chip manufacturers (like OCT), their W9005MC-compatible chips have a defect rate of < 0.5% and come with replacement guarantees. 

   • Many chips are ISO-certified (e.g., ISO 9001, ISO 14001) — indicating some quality control. 

   • The chips are designed for multi-functional / laser printers, specifically the high-volume managed MFPs.

7. Use in Managed Printing

   • Because this is “Managed” / “Managed Flow” toner, the chip plays a role in HP’s managed printing programs (metered or contract-based). It helps track usage precisely, aiding in billing or supply management.

   • The HP supplies compatibility matrix lists W9005MC under “Managed” toner category. 

1. Toner Level / Page Count Tracking

   • The chip keeps track of how many pages have been printed using the cartridge. 

   • It allows the printer to estimate the “toner remaining” level and trigger “low toner” or “replace cartridge” warnings accurately.

2. Page Yield Programming

   • The CE278A cartridge (HP 78A) has a rated yield of ~2,100 pages (5% coverage).

   • The chip is programmed for this page-capacity, so that the printer knows when the cartridge is “full” and when it’s likely run out.

3. Reset / Refill Support

   • There are compatible “reset” chips available for CE278A. For example, Farbtoner offers a reset chip that lets the printer treat a refilled cartridge as “new” again. 

   • Printchip also sells a replacement chip specifically for refilling: “this chip ... restores the toner level to 100% and removes the warning message.” 

   • According to reference data, once a “life-finished” chip (i.e., fully used) is installed, some versions cannot be reset further. 

4. Wide Printer Compatibility

   • The chip (and the CE278A cartridge) supports a number of HP printers: LaserJet Pro P1566, P1606dn, M1536dnf, and similar models.

   • Because of this, the chip must correctly “speak” the right protocol to be recognized by these printers.

5. Built-in OEM Intelligence

   • In original HP cartridges (“78A / CE278A”), the chip helps ensure secure communication between the cartridge and the printer, preventing “non-genuine cartridge” errors (if the chip is genuine). 

   • This helps maintain print quality, reduce risk of toner leakage, and ensures reliable performance.

6. Refill-Friendly Design

   • Many refill / compatible toner cartridges are sold with a compatible or reset chip built-in, making refilling relatively straightforward. 

   • For refilling, there are instructions and refill-kits available; proper installation of the reset chip is critical. 

7. Compact & Low Power

   • The chip is very small and designed to use minimal power, as it just needs to store page counts and communicate with the printer’s supply memory.

• Toner-level Reset / Monitoring: It resets or emulates the original chip’s toner count so the printer shows correct toner level (not perpetually “low” after refill). 

• Compatibility Across Multiple Cartridge Models: Because it’s “universal,” one chip can be used across different cartridge models (36A, 78A, 85A, 88A, maybe 35A). 

• Smart / Emulated Logic: The chip is designed to emulate the OEM chip’s behavior so that the printer believes it’s a “fresh” cartridge.

• Page Yield Calibration: For some chips, the chip is calibrated to a typical yield (for example, their chip is “engineered ... calibrated to the page yield of our toner kits (1500 pages at 5% coverage)”). 

• Cost-Effective for Refilling: By using a universal chip, refilling compatible cartridges becomes more viable because you don't need separate chips for each cartridge variant.