on-site diagnosis
repair warranty
bookable
fastest arrival
We come at a time that suits you, and common faults are fixed on the spot

Step-by-step diagnosis of power, motherboard, GPU and cooling, with on-site replacement of PSU, motherboard and thermal parts.
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Laser printer repair for all major brands — jams, feed issues, faint print, black lines and noise, with fuser and pick-up roller replacement on site.
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Read-only imaging before recovery to avoid further damage. Clicking drives are opened in a cleanroom.
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On-site survey to place points, with cameras, storage and remote viewing set up in one go.
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Virtually rebuild the array, image first, then recover.
Assess arrays and shared folders as a whole, export to safe media.
Check power and interface, do platter-level reads if needed.
Stop writing, scan for remnants, restore by folder structure.
Recover data first, then deal with the system, to avoid an overwriting reinstall.
When both fail, prioritize the copy with the highest value.
On-site diagnosis is free; the final price follows the itemized quote after diagnosis, and you confirm before we repair
| Item | Price range | Notes |
|---|---|---|
| Drive replacement + migration | RMB 200–600 | Includes system and data migration |
| Data recovery | RMB 500–2000 | Success rate assessed first, cost confirmed before recovery |
| Laser printer repair | RMB 80–200 | Jams / feed / faint print / black lines / noise |
| Inkjet printer repair | RMB 60–150 | Clogged head / broken lines / leaks / cartridge not detected |
| Toner refill | RMB 50–80/cartridge | Includes chip replacement and waste toner cleaning |
| Ink refill | RMB 30–60/cartridge | Includes head cleaning |
| Fuser replacement | RMB 200–500 | Fuser assembly replacement and adjustment |
From the first call to acceptance and payment, in a few steps
Cameras, recording and phone viewing configured and you're shown how to use them
Tell us the model and symptoms; we call back within 30 minutes
We arrange a time slot that suits you
Pinpoint the real fault on site
You confirm before we repair; no mid-job price changes
From a single device to a whole office, all handled the same way

The client needed to operate normally during the day, so we came after hours. Several staff worked in parallel and finished testing and cleanup before closing.

A building-material merchants client working in Zhenru Sub-center had devices failing and holding up progress. We visited by appointment and handled them in groups, restoring normal use the same day and logging the devices into a table.

A startup incubators client in Caoyang had a device go down suddenly. We judged the fault direction by phone, and our technician brought matching parts and completed repair and testing the same day.

The client used to call only when something broke, and faults kept recurring. After asset records and scheduled inspections, the number of service calls dropped noticeably.

The client moved into a new office in Caoyang, with devices and cabling to re-organize. We tested and numbered each device and delivered an equipment list at handover.

The same problem had been handled twice elsewhere without a fix. We re-diagnosed to find the real cause, and after repair it stayed stable for a week of observation.
What you most want to know about on-site service in Putuo
Equipment is warranted for 1 year, with optional annual maintenance afterwards.
Most faults can be fixed on-site — our technician brings tools and common parts. If specialist equipment is needed, we'll explain and agree on a time.
As fast as 30 minutes if close and traffic is light. Most jobs are scheduled the same day; we confirm the exact time by phone.
On-site diagnosis is free. We give you a quote after diagnosis and only start once you confirm; if it can't be fixed for technical reasons, there's no charge.
Dust cleaning is generally RMB 80–150, including internal cleaning, fan cleaning and thermal paste. Recommended yearly, ideally before summer.
Most of the time, yes. Adding RAM or an SSD is the cheapest speed boost — install is usually RMB 50–100, parts can be sourced or brought by you, and done on the spot.
Describe the device and the symptoms; our technician brings the right tools and common parts. Diagnose first, quote after, and repair only once you approve.
WeChat ID: 17887942669
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On-site across all 10 subdistricts of Putuo