: Wipe the magnetic roller and doctor blade to ensure consistent print density.
: The waste toner chamber must be emptied before refilling to prevent gray streaks or backgrounding on prints.
: Typically caused by a dirty or worn-out PCR or wiper blade. hp 1200 instruktsiia po zapravke
: To separate the cartridge, you must remove two metal pins located on either side of the unit.
Do not confuse the classic LaserJet 1200 with the series. The Neverstop models use a modern Toner Reload Kit (like the HP 103A ) that avoids disassembly. You simply insert a plunger-style kit into a reload port on the printer and rotate it 180 degrees to inject the toner. : Wipe the magnetic roller and doctor blade
The (using the 15A/C7115A cartridge) is refilled by disassembling the cartridge to access the toner hopper and waste chamber. Unlike modern "Neverstop" models, this older series requires physical intervention—typically removing two metal pins—to separate the drum unit from the toner reservoir for cleaning and refilling. Refilling the HP 15A (C7115A) Cartridge
: Drill small holes next to the pins and push them out from the inside. : To separate the cartridge, you must remove
Detailed guides such as those from Mnogochernil and Uninet Imaging outline the following technical steps: