TSC CPX4P Series, Service Manual

Page: 42 / 232

38

Collection of Waste Ink within Cap: Movement of Waste Ink to Buffer
Printheads are lifted to separate it from Caps such that Caps are open to the atmosphere. When the
negative pressure in Buffer is released with Pressure Release Valve closed and Suction Valve open,
waste ink flows from Caps to Buffer.
Open/closed states of valves, the operation state of Suction Pump, and the capping state of Printhead
are shown below.
[1] [2] [3] [4] [5] [6] [7] -
Bubble
Removing
Valve
Ink
Supply
Valve
Suction
Valve
Air
Release
Valve
Buffer
Valve
Wipe
Valve
Suction
Pump
Between
Printhed
and Cap
Closed Closed Open Open Closed Open Driven Disengage
A schematic diagram of ink passages is shown below.
[8] Pump Unit [11] Purge Unit (Cap disengage)
[9] Buffer [12] Maintenance Cartridge
[10] Printhead [13] Ink Tank

Collection of Waste Ink within Cap: Collection of Waste Ink in Maintenance Cartridge
With ink present in Buffer, Suction Pump is driven to collect waste ink in Maintenance Cartridge.
Open/closed states of valves, the operation state of Suction Pump, and the capping state of Printhead
are shown below.
[1] [2] [3] [4] [5] [6] [7] -
Bubble
Removing
Valve
Ink
Supply
Valve
Suction
Valve
Air
Release
Valve
Buffer
Valve
Wipe
Valve
Suction
Pump
Between
Printhed
and Cap
Closed Closed Open Open Closed Open Driven Sealed
A schematic diagram of ink passages is shown below.
[8] Pump Unit [11] Purge Unit (Cap disengage)
[9] Buffer [12] Maintenance Cartridge
[10] Printhead [13] Ink Tank