Lexmark X644E Service Manual - Page 515
signature button assembly, scan quality
UPC - 734646093156
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7002-xxx service checks 202.03 error code 2-95 202.06 error code 2-95 290.00 error code 2-96 290.01 error check 2-98 290.02 error code 2-100 290.10 error code 2-102 291.00 error code 2-104 291.01 error code 2-105 291.02 error code 2-106 292.00 error code 2-107 293 error code 2-108 294.00 error code 2-109 294.01 error code 2-110 294.02 error code 2-112 294.03 error code 2-113 298.01 error code 2-115 298.02 error code 2-115 842.xx error code 2-115 843.xx error code 2-116 845.00 error code 2-117 848.00 error code 2-118 848.01 error code 2-118 900.90 error code 2-118 900.xx error code 2-118 927.xx error code-fan 2-119 950.00 through 950.29 EPROM mismatch failure 2-120 ADF paper length 2-122 cartridge fan 2-119 charge roll 2-123 cold fuser 2-134 cover closed sensors-flatbed 2-124 cover open switch/cable-printer 2-125 dead machine 2-125 DRAM memory options 2-155 duplex option 2-127 envelope feeder 2-129 flash memory option 2-155 flatbed size sensor 2-131 fuser 2-132 fuser exit sensor 2-138 fuser narrow media sensor 2-139 fuser solenoid 2-140 hard disk option 2-155 high-capacity feeder input tray 2-141 hot fuser 2-135, 2-136, 2-137 input sensor 2-146 input tray, optional 2-147 interface card 2-148 LCD touchscreen contrast control-model X642e 2-149 LCD touchscreen display-models X644e/X646e 2-149 main drive 2-153 main fan 2-119 network card (976.xx) 2-155 network card (977.xx) 2-155 operator panel Help and Home buttons-model X642e 2-154 operator panel Menu button-X642e 2-154 operator panel right cover assembly 2-154 options 2-155 output bin sensor 2-156 paper feed 2-156 paper size sensing board 2-158 paper width sensor-model X644e/X646e 2-123 parallel port 2-159 print quality 2-160 printhead 2-165 scan quality 2-165 signature button assembly 2-170 system board 2-170 toner sensor 2-171 transfer roll 2-172 service error codes 2-13 shield inner shield-model X642e 4-130 inner shield-models X644e/X646e 4-131 outer 4-126 signature button contact assembly removal 4-129 specifications acoustics 1-8 data streams 1-4 dimensions 1-6 electrical 1-7 environment 1-8 media guidelines 1-9 memory configuration 1-5 operating clearances 1-5 power requirements 1-7 resolution 1-4 scanner 1-4 start 2-1 strobe adjustment 3-19 sub error codes 2-13 switch, cover closed 2-125 symptoms duplex option 2-12 envelope feeder 2-12 high-capacity feeder 2-11 paper trays 2-12 printer (MFP) 2-10 scanner-ADF symptoms 2-11 scanner-flatbed 2-11 scanner-scan quality 2-11 system board barcode 7-41 connectors 5-3 parts catalog 7-40 removal-model X642e 4-130 removal-models X644e/X646e 4-131 service check 2-170 Index I-7