Ricoh JP735 Wartungshandbuch PDF herunterladen (Seite 133)

DRUM

SM 6-21 C252

Detailed

Descriptions

6.6.5 INK SUPPLY CONTROL

Mechanism

When the ink level is low, the pins [A] do not touch the ink.

↓

The ink pump motor (!6.6.3) keeps the ink level normal by supplying ink when the

level is low.

NOTE:

1) The ink detection pins [A] detect the capacitance between the ink roller

[B] and doctor roller [C].

2) If the pins detect an insufficient amount of ink after activating the ink

pump motor for 40 seconds, a "no ink condition" is detected. The add

ink indicator on the operation panel will light.

3) There is an ink supply mode, which is useful when installing a new

drum. When the “Clear/Stop” key is pressed while holding down the “0”

key, the drum turns 40 rotations to supply ink inside the drum.

4) The ink roller blades [D] on both ends of the ink roller scrape off the

built-up ink on the ends of the ink roller.

C252D017.WMF

[A]

[B]

[C]

[D]

CÓPIA NÃO CONTROLADA

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Ricoh JP735 Wartungshandbuch Seite 133