Ink Ribbon Drive; Mechanism Mode Verification Method - Sanyo DVP-P1EX Technical Information

2-5. Ink Ribbon Drive

At the initiation of printing, the ribbon motor ("COMPL,HOUSING
2E000
REEL T: ") starts up and the slack in the ribbon within
the cassette is taken up. At this time, the ribbon encoder
sensor ("COMPL PWB,MC-2:
in the ribbon has been eliminated.
Next, the printing paper is supplied and, while the paper is
moving into the initial position for printing, the ribbon motor
("COMPL,HOUSING REEL T:
ribbon is wound to the beginning of the Y (yellow) ribbon. The
beginning position of the Y (yellow) ribbon is verified by the top
sensor ("COMPL PWB,MC-3:
During the yellow printing stage, the S side Reel Brake is
locked by the "SLIDE,LEVER TPH
applying the appropriate tension to the ink ribbon, the ribbon is
rolled up.
Since the ink ribbon and the printing paper are held between
the head ("COMPL,HOLDER TPH:
("COMPL,PIPE DRUM RUBBER:
printing process, they are driven at a set speed by the stepping
motor ("ASSY,MOTOR STEPPING:
Upon completion of the Y (yellow) printing process, when the
printing paper is returned to the initial position for printing, and
the ink ribbon is wound to the beginning of the M (magenta)
ribbon. The beginning position of the M (magenta) ribbon is
verified by the ribbon top sensor ("COMPL PWB,MC-3:
and the subsequent operations are carried out in the same
order as described for the Y (yellow) printing process. After
that, the C (cyan) and then the OP (over print) printing steps are
carried out, but the drive procedure is the same.
After the OP (over print) step, the ribbon slack is taken up
again.
MC-2
") confirms that the slack
2E000
") operates and the ink
MC-3
").
(5M000)
", and while
1A000
") and the platen
4A000
") during the yellow
4K000
").
MC-3
2-6.

Mechanism Mode Verification Method

By using a light source to illuminate the mechanism mode
verification hole of the "ASSY, CHASSIS L
numbers etched into the "CAM, MECHANISM L
be verified.
ASSY,CHASSIS L (7C000)
Mechanism Mode Verification Hole
")
–7–
(7C000)
(5K000)
Fig. 2-6-1
", the
" can