Guide · printer fix

Printer blank slip nikaal raha hai?

Blank slip aa rahi hai? Pehle thermal paper aur roll ki direction check kare. Thermal paper sirf ek side par print hota hai, lekin purana paper, ganda print head ya printer ki dikkat bhi wajah ho sakti hai. Paper ki dono sides scratch karke dekhe, roll dobara lagaye aur Test print nikale.

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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

Roll ulta hona common hai, par pehle paper aur printer ka test karke confirm kare.

Roll ulta laga hai. Thermal paper ki ek side pe garmi se kaali hone wali coating hoti hai, doosri side pe kuch nahi. Plain side head se lagi hai toh printer apna kaam poora karta hai aur kuch nahi chhapta.
Aksar yeh rush ke beech roll badalte time hota hai. Agar khaali slip paper badalne ke turant baad se aa rahi hai, toh roll ki direction pehle check kare. Phir Test print zaroor nikale, taaki fix slip par bhi confirm ho jaaye.
Kabhi-kabhi paper hi khatam ho chuka hota hai. Garam kitchen mein mahino pada roll pehle halka chhaapta hai, phir bilkul khaali. Yeh pehle fiki printing se dikhta hai. Toh agar pichhli kuch slips halki thi, loading ke saath paper bhi check kare.

Fix

Pehle yeh karo.

Paper ki dono sides scratch karke dekhe

Nakhun ya sikka paper par zor se ragde. Jo side print hoti hai, us par kaali line aayegi. Dono sides par kuch nahi aaya toh fresh roll khole aur test dobara kare.

Mark wali side print head ki taraf karke roll lagaye

Zyada tar counter thermal printer mein paper roll ke neeche se nikalta hai. Apne model ki paper path drawing bhi dekhe. Cover click hone tak band kare, kyunki halka sa khula cover bhi print rok sakta hai.

Settings → Printers & KDS se Test print nikale

Har printer ki row par Test print button hai. Slip par Test print, paper width (80mm · 42 columns ya 58mm · 32) aur digits ki ek line aati hai. Line paper ke kinare se bahar jaaye toh row ki width setting theek kare. Fresh paper ka Test print aur printer ka self-test dono blank rahe toh model ka manual ya manufacturer support dekhe.

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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: Connected. EasyKOT Desktop App yeh cheez dekh hi nahi sakta, aur dekhne ka natak bhi nahi karta. Jis printer ne job liya aur khaali patti garam kar di, usne apni taraf se jo bola gaya woh sab kar diya.
Fix hone ke baad: Connected, kuch nahi badla. Proof screen pe nahi, aapke haath ki slip mein hai.

Desktop App printer ka paper sensor zaroor padhta hai. Toh jo roll sach mein khatam ho gaya, woh “Paper out” dikhta hai: printing ruk jaati hai aur tickets queue mein wait karte hain. Par “roll ulta laga hai” ke liye ESC/POS mein koi status hota hi nahi, toh koi bhi POS yeh sach mein bata hi nahi sakta.

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

Khaali slip se pehle, uske time aur baad mein bhi row pe Connected hi rehta hai. Ulta laga paper Desktop App dekh nahi sakta, isliye row ke words kabhi nahi badalte.

Kuch lost nahi hota

Jo ticket chhoot gaya, woh kaise nikle.

Kuch fail nahi hua, toh kuch pending bhi nahi hai. Printer ke hisaab se job print ho gaya, toh woh done mark hai aur print queue khaali hai. Aap reprint apni marzi se kar rahe ho, kuch recover nahi kar rahe.
Last bill aur last KOT ek-ek button pe. Settings → Printers & KDS mein Reliability ke neeche Reprint last receipt aur Reprint last KOT hain. Abhi jo slip khaali nikli, woh isse wapas aa jaayegi.
Purana bill Orders se wapas aata hai. Order khole aur Reprint receipt dabaye. Copy pe original invoice number aur date wahi rehti hai, aur DUPLICATE ka stamp lagta hai. Toh do slip kabhi do sale nahi lag sakti.

Seedhe jawaab

Printer khaali slip nikaal raha hai: log aur kya poochte hain

Roll sahi laga hai, phir bhi khaali slip nikal rahi hai. Ab kya?

Do cheezein check kare. Pehli: paper purana ho sakta hai. Thermal roll garmi aur dhoop se fade hota hai; fresh roll lagakar dekhe. Doosri: print head ganda ho sakta hai. Printer band kare, cover khole, model manual ke mutabik head ko cotton aur thode isopropyl alcohol se saaf kare aur sookhne de. Dono ke baad bhi khaali ho toh printer ka self-test manual ke mutabik chalaye. Self-test bhi blank aaye toh printer manufacturer ya seller support se baat kare.

Thermal printer mein paper kis taraf lagta hai?

Print hone wali side print head ki taraf honi chahiye. Bahut se counter receipt printers mein paper roll ke neeche se nikalta hai, lekin apne model ki paper-path drawing check kare. Scratch test mein jis side par kaali line aaye, wahi coated side print head ki taraf rakhe.

Slip khaali aayi, kya bill lost ho gaya?

Nahi. EasyKOT print job queue karne se pehle sale Desktop App ke local database mein save karta hai. Roll theek kare, phir bill ya KOT ko sahi reprint action se dobara nikale. Bill reprint par DUPLICATE stamp aata hai; KOT reprint kitchen slip hi rehti hai, isliye kitchen ko bata de.

Roll khatam hone se pehle EasyKOT warning de sakta hai?

Jo printer status ka jawaab deta hai, uspe haan: near-end sensor trip hone pe row pe “Paper running low” aata hai, aur roll khatam hone pe “Paper out”. Bahut saare saste printer kabhi jawaab hi nahi dete. Unpe “Can't verify — will still try to print” aata hai, jo jhootha green dikhane se behtar, seedha sach hai.

Aage

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