Canon GP215 Service Manual page 273

          
t t L-TEST5:
grid test print

          
• Use it to check straight line and angles.
• If a discrepancy is noted, suspect a dis-
placed laser beam or a fault in beam detec-
tion.
y y L-TEST6:
vertical line test print
• Use it to check straight lines.
• If a discrepancy is noted, suspect a dis-
placed laser beam or a fault in beam detec-
tion.
COPYRIGHT © 1996 CANON INC.
u u L-TST7:
CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)

          
3. OPERATIONS AND TIMING
horizontal line test print
• Use it to check straight lines.
• If a discrepancy is noted, suspect a dis-
placed laser beam or a fault in beam detec-
tion.
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