Canon GP215 Service Manual page 294

3. OPERATIONS AND TIMING
2. Adjusting the RDF Sensor/Cleaning the Belt
• This screen is effective only when an RDF is installed.
Item
SENS_ADJ
S_BCLN_T
S_BCLN_B
3–240
COPYRIGHT © 1996 CANON INC.
*7* ACC 02
SENS_ADJ (OK:START) : x
S_BCLN_T (OK:START) : x
S_BCLN_B (OK:START) : x
Function
Use it to execute auto
sensitivity adjustment for
the RDF sensor.
• Original sensor (S1)
• Registration sensor
(S3)
Use it to execute cleaning
of the separation belt for
upper separation.
Use it to clean the separa-
tion belt for lower separa-
tion.
CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
CANCEL
+
–
OK
1) Press 'SENS_SDJ' to highlight.
2) Without any original on the RF's original
tray, press the OK key.
• '1' will appear under 'SENS_ADJ', indicating
taht automatic adjustment is being executed.
• If '1' remains for 30 sec or more, suspect a
fault in the original tray sensor (S1), regis-
tration sensor (S3), or RF controller.
3) If '0' appears under 'SENS_ADJ', indicating
that the adjustment is over, press the Reset
key twice to leave service mode.
(The foregoing adjustment is the same as
using SW3 on the RF controller PCB.)
1) Press the appropriate item ('S_BCLN_T' or
'S_BCLN_B') to highlight.
2) Set a sheet of copy paper whose center
has been moistened with alcohol on the
RDF's tray.
3) Press the OK key.
• The sheet of copy paper will be picked up
and the separation belt will be rotated idly.
4) Press the OK key to end the operation.
5) Open the RF's top cover, and remove the
sheet of copy paper.
Then, close the RF's top cover.
The foregoing adjustment is the same as
using bit 6 of DIPS1 on the RF controller PCB.
Description