HP — Руководство по ремонту HP LaserJet Pro MFP - цветной принтер (EN)

Table of contents 1 Removal and replacement ................................................................................................ 1 Removal and replacement strategy ............................................................................................. 2 Introduction .............................................................................................................. 2 Removal and replacement strategy .............................................................................. 2 Electrostatic discharge ...............................................................................................

2 Required tools ........................................................................................................... 3 Types of screws ........................................................................................................ 4 Service approach ..................................................................................................................... 5 Before performing service .......................................................................................... 5 After performing service .............................................................................................

6 Post-service tests ........................................................................................................ 6 Test 1 (print-quality test) ............................................................................... 6 Test 2 (copy-quality test) .............................................................................. 6 Test 3 (fax-quality test) ................................................................................ 7 Parts removal order ................................................................................................... 8 Removal and replacement procedures ........................................................................................

9 Rollers ..................................................................................................................... 9 Separation roller ...................................................................................... 11 Pick roller .................................................................................................. 9 Transfer roller .......................................................................................... 13 Toner-cartridge drawer ............................................................................................

15 Covers ................................................................................................................... 17 Right cover .............................................................................................. 17 Left cover ................................................................................................ 20 Rear right cover ....................................................................................... 22 Document feeder and scanner assembly ...................................................... 23 Rear-upper cover ......................................................................................

25 Control panel .......................................................................................... 29 Rear door and rear-lower cover ................................................................. 25 Upper cover ............................................................................................ 31 USB cover and USB PCA ........................................................................... 33 Front-door and front-cover assembly ........................................................... 36 ENWW v