Lexmark C750 Service Manual - Page 181
Lexmark C750 Manual
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5060-00x Transparency print quality is poor Step 1 Action and questions Transparencies - Check the media type and transparency in use. Are the recommended transparencies and media type used? 2 3 Is the quality of the transparency poor or do brown colors appear when projected? Fuser settings - From the Diagnostics Menu select fuser settings and set to high. Does this fuser setting fix the problem? Go to step 3 Problem solved Go to step 4 Replace the fuser assembly. See "Fuser assembly removal" on page 4-31 Replace the second transfer roll. See "Second transfer roll removal" on page 4-79 Go to step 6 Yes Go to step 2 No Inform the customer 4 Does the transparency have a splotchy appearance? Go to step 5 5 Transfer setting: High - From the Diagnostics Menu set Transfer setting to High. Does this transfer setting fix the problem? Problem solved 6 Transfer setting: Low - From the Diagnostics Menu set Transfer setting to Low. Does this transfer setting fix the problem? Problem solved Replace the second transfer roll. See "Second transfer roll removal" on page 4-79 Diagnostic information 2-147