Ricoh C211 Service Manual page 213

2.
TROUBLESHOOTING
2.1 IMAGE TROUBLE
1.
No image, white lines, uneven image on copy
I Does the image created on the master match the original? I
No
I
Yes
v-
Not enough ink supplied to the drum?
—
Yes
-i
No ink supplied even though ink supply solenoid is
energized?
No
I
lYes
I
~ Check the ink supply mechanism.
Check the ink detection circuit, (See page 5-72.)
[
Are drum screens clogged with dried ink? (Printer has not been
used for a long time.)
No
L
Yes
Clean or replace the drum screens. (See page 5-73.)
Has the ink inside the drum separated? (Ink was in storage for a
long time.)
}
No Yes
E Install a new ink cartridge.
Insufficient printing pressure applied to drum?
Yes
,
s Check the printing pressure mechanism.
r
Sheet of paper wrapped under the master or two masters wrapped around I
I the drum?
No
L
Yes
Remove the paper or the extra master from the drum.
7"7