Ricoh JP3000 - Page 8

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6.4.7 FINE MODE....................................................................................6-15
6.4.8 THERMAL HEAD............................................................................6-16
Specifications......................................................................................6-16
Thermal head control..........................................................................6-16
Thermal head protection.....................................................................6-16
Remarks for Handling the Thermal Head............................................6-17
6.5 MASTER FEED.......................................................................................6-18
6.5.1 OVERVIEW ....................................................................................6-18
Procedure ...........................................................................................6-18
6.5.2 MASTER FEED MECHANISM .......................................................6-19
Mechanism .........................................................................................6-19
Procedure ...........................................................................................6-19
Notes ..................................................................................................6-19
6.5.3 CLAMPER AND TENSION ROLLER MECHANISM.......................6-20
Mechanism .........................................................................................6-20
Notes ..................................................................................................6-20
6.5.4 CUTTER MECHANISM..................................................................6-21
6.5.5 MASTER SET COVER SENSOR...................................................6-21
6.6 DRUM......................................................................................................6-22
6.6.1 OVERVIEW ....................................................................................6-22
Procedure ...........................................................................................6-22
Notes ..................................................................................................6-22
6.6.2 DRUM DRIVE MECHANISM..........................................................6-23
Mechanism .........................................................................................6-23
Notes ..................................................................................................6-23
6.6.3 INK SUPPLY MECHANISM............................................................6-24
Mechanism .........................................................................................6-24
Notes ..................................................................................................6-24
6.6.4 INK ROLLER MECHANISM ...........................................................6-25
Mechanism .........................................................................................6-25
Notes ..................................................................................................6-25
6.6.5 INK SUPPLY CONTROL................................................................6-26
Mechanism .........................................................................................6-26
Notes ..................................................................................................6-26
6.6.6 DETECTION OF MASTERS ON THE DRUM ................................6-27
6.7 PAPER FEED..........................................................................................6-28
6.7.1 OVERVIEW ....................................................................................6-28
6.7.2 PAPER FEED MECHANISM..........................................................6-29
Mechanism .........................................................................................6-29
Notes ..................................................................................................6-29
6.7.3 PAPER FEED / SEPARATION PRESSURE MECHANISM ...........6-30
6.7.4 REGISTRATION ROLLER MECHANISM.......................................6-31
Registration Roller Drive.....................................................................6-31
Registration Roller Up/Down Mechanism ...........................................6-31
6.7.5 PRINTING PRESSURE MECHANISM...........................................6-32
6.7.6 RE-FEEDING MECHANISM...........................................................6-32