Paper Delivery Section; Electrical Components - Ricoh C217 Service Manual

3. To Disable Ink Detection Circuit
The ink detection circuit can be disabled if the main switch is turned on while
both the Auto Cycle key and the Reset key are pressed. If this mode is
accessed, prints can be made even though the ink detection pin is not in
contact with the ink on the ink roller (see page 2-26 Ink Supply Control).
When the main switch is turned off, this condition is reset to normal
operation.
This function serves to remove the ink inside the drum.

1.6 PAPER DELIVERY SECTION

1. Exit Pawl
1) The exit pawl clearance adjustment must be done prior to the drive
timing adjustment. Once this has been done then the drive timing
adjustment must be carried out.
2) Do not disassemble the exit pawl assembly. The clearance between
the exit pawl and drum may change.
3) Never touch the exit pawls during the drum rotating. The exit pawls
will touch the drum surface and damage it.

1.7 ELECTRICAL COMPONENTS

1. Main PCB
When replacing the main PCB with a new one, be sure to perform the
followings:
1) Original registration adjustment
2) Leading edge registration adjustment
3) Vertical magnification adjustment
4) Trailing edge erase margin adjustment
5) Ink detection adjustment
2. Power Supply PCB
1) When replacing the power supply PCB with a new one, be sure to
adjust the voltage supplied to the thermal head.
(Continued on the next page.)
SM 4-3
Rev. 10/20/93
C217