Entry 01
Purchase Confirmation
Date: February 10, 2025
The seller confirmed that the machine is fully operational and no additional purchases are required.
12 Months Without a Working Machine
I purchased a wall printer from Suzhou Tanyu with the expectation of receiving a fully operational machine with structured after-sales support.
After more than 12 months, the machine has never been fully operational.
Multiple repair attempts have been made through the manufacturer's support team, but the process has remained trial-and-error without a confirmed solution.
Before purchase, the following was clearly communicated:
Entry 01
Date: February 10, 2025
The seller confirmed that the machine is fully operational and no additional purchases are required.
Entry 02
Date: February 12, 2025
Full payment was made and acknowledged. The order proceeded to production and shipment.
Entry 03
Date: March 30, 2025
Upon receiving the machine, several issues were immediately identified:
Entry 04
Date: March 30, 2025
Setup could not proceed due to missing documentation. A request was made for essential manuals and confirmation of all components.
Entry 05
Date: June 3, 2025
The first wall print was completed. The output quality was significantly below acceptable standards and not usable for clients.
Entry 06
Date: June 3, 2025
Follow-up messages were required to obtain support. No immediate diagnosis or solution was provided.
Entry 07
Date: June 18, 2025
The issue remained unresolved. Communication delays continued, and no clear solution timeline was provided.
Entry 08
Date: June 23, 2025
The initial diagnosis led to purchasing replacement nozzles. Later, it was confirmed that:
This resulted in:
Entry 09
Date: June 23, 2025
After replacing components, new issues appeared (no ink output). Further parts were requested to be returned for testing, creating additional delay and uncertainty without guaranteed resolution.
Entry 10
Date: June 23, 2025
Despite multiple repair attempts and communication, the machine remained non-operational, and no definitive solution was provided.
Entry 11
Date: June 24, 2025
After multiple failed repair attempts, a clear resolution was requested:
Further trial-and-error troubleshooting was declined.
Entry 12
Date: June 26, 2025
The seller proposed replacing the motherboard, requiring:
No guarantee of a final solution was provided.
Entry 13
Date: June 26, 2025
The seller confirmed that the original DX10 configuration:
An upgrade to a different configuration (DX7) was proposed at additional cost (~$1000).
Entry 14
Date: June 30, 2025
A paid upgrade solution was formally proposed:
This upgrade was presented as the primary path to achieving a working machine.
Entry 15
Date: June 28, 2025
It was stated that:
Entry 16
Date: June 30, 2025
The seller reiterated that:
Entry 17
Date: August 4, 2025
A proposal was made to:
Entry 18
Date: August 4, 2025
Instead, the seller proposed:
Responsibility for installation, risk, and outcome remained on the buyer.
Entry 19
Date: August 4, 2025
Even at this stage:
Entry 20
Date: August 5, 2025
The proposed solution continued to follow the same pattern:
This approach had already been attempted multiple times without success.
Entry 21
Date: August 5, 2025
It was confirmed that:
Entry 22
Date: August 8, 2025
A conditional agreement was proposed:
This ensured a fair and balanced resolution.
Entry 23
Date: August 11, 2025
The seller responded:
However:
Entry 24
Date: August 11, 2025
The seller stated:
No commitment was made.
"I cannot sign this document casually"
Entry 25
Date: August 12–13, 2025
Follow-ups were required to receive any response. Delays were explained as:
Entry 26
Date: August 13, 2025
The seller stated:
This effectively blocks the return option.
Entry 27
Date: August 13, 2025
Instead of a refund, a "repair until it works" promise was offered. This includes:
"We promise to repair it until it's working properly"
Entry 28
Date: August 13, 2025
A structured compromise was proposed:
This proposal reduced risk for both parties.
Entry 29
Date: August 15, 2025
The seller confirmed:
This removes any financial protection for the buyer.
"We can't put the refund policy into writing"
Entry 30
Date: August 15, 2025
A formal repair agreement was drafted and submitted for signature:
Entry 31
Date: August 15, 2025
The seller responded:
However:
"I will submit it…"
Entry 32
Date: August 27–30, 2025
After agreement phase:
Entry 33
Date: January 21, 2026
The seller instructed:
Entry 34
Date: January 2026
Customer:
Entry 35
Date: February 10, 2026
After receiving parts:
Entry 36
Date: February 10, 2026
Seller response:
Despite:
"Print head or part of the board is damaged"
Entry 37
Date: February 18–27, 2026
Further delays occurred:
"We are on Chinese New Year holiday" — "I am working on this alone"
Entry 38
Date: February 27, 2026
Seller introduced:
Without confirmed resolution of the original issue.
"There used to be two boards, now combined into one"
Entry 39
Date: March 2026
Customer:
Status:
"We received the package, ready to assist?"
Entry 40
Date: March 26, 2026
Newly provided board did not physically fit:
"Board doesn't match the screw holes" — "Use two holes… just secure it"
Entry 41
Date: March 26, 2026
Seller advised:
This results in:
"Use two holes for simple fixation"
Entry 42
Date: March 26, 2026
Seller confirmed:
"Board card is not compatible"
Entry 43
Date: March 26, 2026
Proposed solution:
No confirmed fix provided.
"We might need to use the previous board"
Entry 44
Date: March 26, 2026
Communication shows:
"We keep sending boards back and forth without any solution"
Entry 45
Date: March 26, 2026
Seller states:
"If cost is not a concern, you can send entire print head"
Entry 46
Date: March 26, 2026
A structured final proposal was sent. Options:
With a 5-day deadline and requirement for confirmed functionality.
Entry 47
Date: March 27, 2026
Seller response:
"We cannot accept your proposed solution"
Entry 48
Date: March 27, 2026
Seller offers:
Still:
"We will send you the new board card"