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 ..................................................................................................................... 4 Before performing service .......................................................................................... 4 After performing service .............................................................................................
5 Post-service test ......................................................................................................... 5 Print-quality test .......................................................................................... 5 Removal and replacement procedures ........................................................................................ 8 Parts removal order ................................................................................................... 7 Rollers .....................................................................................................................
8 Pick roller .................................................................................................. 8 Separation roller ...................................................................................... 10 Toner-cartridge drawer ............................................................................................ 14 Transfer roller .......................................................................................... 12 Covers ................................................................................................................... 15 Right cover ..............................................................................................
15 Left cover ................................................................................................ 18 Rear right cover ....................................................................................... 21 Rear upper cover ..................................................................................... 22 Rear door and rear lower cover ................................................................. 23 Upper cover, LCD control panel products (HP LaserJet Pro 200 color M251n Printer) ....................................................................................................
26 Upper cover, touchscreen control panel products (HP LaserJet Pro 200 color M251nw Printer) ...................................................................................... 28 LCD control-panel assembly (HP LaserJet Pro 200 color M251n Printer) .......... 31 Touchscreen control-panel assembly (HP LaserJet Pro 200 color M251nw Printer) .................................................................................................... 32 ENWW v