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Quality Control
Quality Control Process

QC Profile

 

Japan Mitsubishi Toner powder Technical Analysis:

Printing parameters
Image density (Blackness) Above 1.45
Background Less than 0.015
Gradation Above 4
Resolution L/mm vertical(L/mm) Above 4
  Horizontal(L/mm) Above 4
Fuser Firmness Above 90%
Uniformity of the blackboard Less than 0.1
Flare Less than 2
Ghosting No
Streak No
Toner Usage mg/page Less than 60
Waste Ratio mg/page Less than 15
Compatibility with OEM powder Natural cross fully compatible
Physical and chemical parameters
Appearance Black no impurities
Smell Black no impurities
Agglomeration temperature(℃) Above Slight
ESTA OFFICE TECHNOLOGY CO.,LTD quality control 0

Test paper for Black toner cartridges:
ESTA OFFICE TECHNOLOGY CO.,LTD quality control 1

ESTA OFFICE TECHNOLOGY CO.,LTD quality control 2

Test paper for color toner cartridges:

ESTA OFFICE TECHNOLOGY CO.,LTD quality control 3

Original data chip with various version for your selection:

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QC/Technical Support

1). Mechanical test to ensure the toners smooth operation and no noise, and to meet with ISO standards.

2). Environment protection test to ensure toners' environmental safe.

3). Duration test to ensure toners can last more than one year.

4). Difficult conditions tests such as abnormal temperature, air pressure, strong sun light and rough transportations tests to ensure the printing quality remains high.

5). Water resistant test to ensure printing won't fade and be diluted when wet.

6). Printing quality test to ensure the printing is real black, no slur and won't fade.

7). Capacity test to ensure the print volume is the same as the ones of original manufacturers.

8.Stringent leaking testings are conducted on one by one in vacuum leaking testing machines to ensure no leaking during for shipment

9). 100% test before ex-factory, 100% guaranteed, 1:1 replacement for defective goods

PS.

Average failure rate:

monochrome toner cartridge -- less than 1%

color toner cartridge -- ranging from 1% to 3% for different items

 

Our Certificates
China ESTA OFFICE TECHNOLOGY CO.,LTD certification
SGS
  • Certificate Number:QIP-ASR1222525
  • Issue Date:2019-01-04
  • Expiry Date:2020-01-04
  • Scope:SGS-CSTC Standards
  • Issued By:SGS
China ESTA OFFICE TECHNOLOGY CO.,LTD certification
ISO9001:2008
  • Certificate Number:UKQ1303038R1
  • Issue Date:2015-02-02
  • Expiry Date:2020-03-28
  • Scope:Manufacturer and service for printer and copier consumables
China ESTA OFFICE TECHNOLOGY CO.,LTD certification
SGS
  • Certificate Number:QIP-ASR1222525
  • Issue Date:2019-01-04
  • Expiry Date:2020-01-04
  • Scope:SGS-CSTC Standards
  • Issued By:SGS
China ESTA OFFICE TECHNOLOGY CO.,LTD certification
SGS
  • Certificate Number:QIP-ASR1222525
  • Issue Date:2019-01-04
  • Expiry Date:2020-01-04
  • Scope:SGS-CSTC Standards
  • Issued By:SGS
China ESTA OFFICE TECHNOLOGY CO.,LTD certification
SGS
  • Certificate Number:QIP-ASR1222525
  • Issue Date:2019-01-04
  • Expiry Date:2020-01-04
  • Scope:SGS-CSTC Standards
  • Issued By:SGS
China ESTA OFFICE TECHNOLOGY CO.,LTD certification
SGS
  • Certificate Number:QIP-ASR1222525
  • Issue Date:2019-01-04
  • Expiry Date:2020-01-04
  • Scope:SGS-CSTC Standards
  • Issued By:SGS
China ESTA OFFICE TECHNOLOGY CO.,LTD certification
SGS
  • Certificate Number:QIP-ASR1222525
  • Issue Date:2019-01-04
  • Expiry Date:2020-01-04
  • Scope:SGS-CSTC Standards
  • Issued By:SGS
China ESTA OFFICE TECHNOLOGY CO.,LTD certification
MSDS
  • Certificate Number:PEKGZ20140923033GH001
  • Issue Date:2014-09-23
  • Expiry Date:2019-09-23
  • Scope:Identification and classification Report for air transport of goods
  • Issued By:DGM
China ESTA OFFICE TECHNOLOGY CO.,LTD certification
MSDS
  • Certificate Number:PEKGZ20140923033GH001
  • Issue Date:2019-01-04
  • Expiry Date:2020-01-04
  • Scope:Identification and classification Report for air transport of goods
  • Issued By:DGM
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