Guide · printer fix

Bluetooth printer paired hai par print nahi karta?

Pairing aur connection do alag cheezein hain. Windows pe pairing ke baad ek outgoing COM port banana padta hai, EasyKOT Desktop App usi port pe likhta hai. Phone pe aksar wajah yeh hoti hai ki printer abhi bhi kisi doosre phone se juda hai, kyunki ek time pe ek hi device use rakh sakta hai.

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Printer chale ya na chale, sale save ho chuki hai. Desktop App bill pehle apne andar save karta hai, print uske baad. Har symptom ki poori table mein baaki saare cases hain.

Sabse common wajah

Paired ka matlab connected nahi. Aur phone pe printer ek hi device ko milta hai.

Windows ne outgoing COM port banaya hi nahi. Windows printer ko pair kar leta hai aur phir wait karta hai ki koi bole, serial port banao. Woh port nahi hai toh Desktop App ke paas kholne ko kuch hai hi nahi, pairing kitni bhi theek dikhe.
Koi doosra phone abhi bhi pakde baitha hai. Bluetooth thermal printer ek time pe ek hi device ki sunta hai. Subah jis waiter ka phone juda tha, woh tab tak link pakde rakhta hai jab tak us phone pe printer forget na karo. Baaki kisi device ko koi jawaab nahi milta.
Printer ka radio so gaya. Battery wale printer power bachane ke liye apna radio band kar dete hain, aur wapas aane mein thoda time lete hain. Khaali baithne ke baad pehla print fail ho sakta hai aur doosra chal jaata hai. Lagta hai printer pe bharosa nahi kar sakte, jabki woh bas so raha tha.
Android pe Nearby devices permission di hi nahi. Android 12 aur usse upar pe paired devices ki list padhne se pehle hi app ko yeh permission chahiye. Ek baar mana kiya toh printer list khaali aati hai, aur wapas jaane ka raasta saaf dikhta nahi.

Fix

Pehle yeh karo.

Windows pe outgoing COM port banao

Settings → Bluetooth & devices → Devices → More Bluetooth settings → COM Ports tab → Add → Outgoing, aur printer chuno. Windows ek port number dega, jaise COM5. Phir EasyKOT mein Settings → Printers & KDS → Add manually → Serial, aur woh port daalo. Bluetooth printer ke liye baud ignore hota hai, kyunki link ki speed operating system khud set karta hai.

Jisne printer pakda hai, usse chhudao

Har us phone pe jisne kabhi yeh printer use kiya, Bluetooth settings kholo aur printer forget karo. Phir printer band karke chalu karo. Printer doosra connection nahi le raha toh woh sahi kar raha hai: woh ek saath 2 device ko serve kar hi nahi sakta.

Android phone pe Nearby devices ki permission do

Captain app paired printers ki list padhne se pehle Nearby devices permission maangta hai. Mana ho gaya tha toh list khaali rehti hai: Android Settings → Apps → EasyKOT Captain → Permissions → Nearby devices → Allow, phir printer list dobara kholo.

2 baar print karo, pehla try radio jagata hai

Test print chalao. Kuch nahi hua toh turant dobara chalao: soye hue printer pe pehla try use jagata hai aur doosra paper pe aata hai. Doosra bhi fail ho, toh isko repeat mat karo, step 1 ya 2 pe wapas jao.

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Desktop App par

Printer ki row kya bolti hai.

Settings → Printers & KDS mein har printer ki apni row hoti hai. Us row pe status green dot se nahi, seedhe words mein likha aata hai. Is problem ke exact words yeh hain.

Jab tak problem hai: Desktop App pe “Offline”. Computer ke liye Bluetooth printer ek serial port hi hai, toh jawaab na dene wala port bilkul nikle hue serial cable jaisa dikhta hai. Row ke neeche wala fix COM port aur printer pakde baithe phone, dono ka naam leta hai.
Fix hone ke baad: “Connected”, ya “Can't verify — will still try to print” us printer pe jo job le leta hai par status ka jawaab nahi deta.

Captain ke phone pe jawaab alag hai. Sirf status poochne ke liye Bluetooth link nahi khola jaata, isliye app bolta hai ki Bluetooth status sirf print karte waqt pata chalta hai. Test print chalao. Check karne ke liye link kholna utna hi slow aur utna hi disturb karne wala hota, jitna print karna.

Settings → Printers & KDS mein Counter Printer ki row, Connected likha hua, neeche Check printer, Test print, Test connection, Edit aur Remove.

COM port banne aur printer ke wapas jawaab dene ke baad row: Connected, ya Can't verify us Bluetooth printer pe jo job le leta hai par status nahi batata.

Kuch lost nahi hota

Jo ticket chhoot gaya, woh kaise nikle.

Bill toh isse pehle hi save ho chuka tha. Desktop App aur captain app dono pehle sale save karte hain, paper baad mein queue hota hai. Chup printer ki wajah se kabhi sale nahi jaati.
Link wapas aaye toh naye tickets khud print hote hain. Queue KOT fire ya bill-print request ke baad 5 minute tak khud retry karta hai. Link usi window mein wapas aaye toh ticket khud print hota hai. Purane tickets aapki choice ka wait karte hain.
Paper abhi chahiye toh haath se reprint karo. Settings → Printers & KDS mein Reprint last receipt aur Reprint last KOT hain. Fail hue ticket pe Retry now hai; purane ticket pe Print, aur doosra printer ho toh Send to <another printer>.

Seedhe jawaab

Bluetooth printer chup hai: log aur kya poochte hain

iPhone se Bluetooth printer pe print kar sakte hain?

Nahi. Apple Bluetooth Classic sirf apne certified (MFi) accessories ke liye khula rakhta hai, toh koi bhi app iPhone se normal Bluetooth thermal printer nahi chala sakta. Yeh Apple ka rule hai, EasyKOT ki kami nahi. Waise abhi yeh sawaal banta hi nahi, kyunki iPhone wala captain app abhi App Store pe nahi hai. Bluetooth printing ke liye Android phone ya laptop wala Desktop App chahiye.

EasyKOT ke saath kaunse Bluetooth printer chalte hain?

Jo bhi printer ESC/POS bolta hai, aur check test print hi hai. Hum compatible printers ki koi list nahi dete, kyunki sahi test aapka apna printer aur aapka apna paper hai: pair karo, add karo, test slip print karo, aur dekho width ka ruler sahi aata hai ya nahi. 1 minute lagta hai, aur trial 3 mahine ka hai.

Printer Desktop App se pair karun ya phone se?

Jo device us pe print karega, sirf usi se. Bluetooth printer ek time pe ek hi device ki sunta hai, toh counter wala printer counter ki machine se pair karo aur baaki har jagah forget kar do. 2 log print karenge toh network printer behtar hai: usse kitne bhi device ek saath use kar sakte hain.

Phone ke apne test app se print hota hai, EasyKOT se nahi.

Iska matlab printer mein dikkat nahi, connection kisi ne pakda hua hai. Jis doosre app ne abhi print kiya, woh shayad link abhi bhi pakde baitha hai. Use poori tarah band karo, ya printer band-chalu karo taaki saare connections toot jaaye, phir EasyKOT se dobara try karo.

Aage

Saare printer guides guides hub pe milenge.

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